Pub Date : 2017-10-16DOI: 10.1504/IJMSI.2017.10008164
A. Chaturvedi, S. Chaturvedi
A porous structure has been designed and fabricated to generate very regular shaped pores. The porous structure has 20% porosity with a relative density of 0.8. Radiographic examinations conducted on the samples confirmed regular shaped porous structure throughout. Compression testings were carried out on the samples at three different strain rates viz. 7.93 × 10e-5/ sec, 7.93 × 10e-4/ sec and 3.96 × 10e-2/ sec respectively and the nominal stress-nominal strain graphs were plotted with 0.2% proof strength taken as the onset of yield in the structure, the testing revealed an approximately elasto-plastic strain rate sensitive response behaviour in the yield strength as well as plateau region of the porous samples. Energy absorption analysis was carried out up to ≅0.25 strain. The method described in this paper can be used to generate and study different kinds of porous structures.
{"title":"Fabrication and experimental investigation of a porous zinc alloy structure","authors":"A. Chaturvedi, S. Chaturvedi","doi":"10.1504/IJMSI.2017.10008164","DOIUrl":"https://doi.org/10.1504/IJMSI.2017.10008164","url":null,"abstract":"A porous structure has been designed and fabricated to generate very regular shaped pores. The porous structure has 20% porosity with a relative density of 0.8. Radiographic examinations conducted on the samples confirmed regular shaped porous structure throughout. Compression testings were carried out on the samples at three different strain rates viz. 7.93 × 10e-5/ sec, 7.93 × 10e-4/ sec and 3.96 × 10e-2/ sec respectively and the nominal stress-nominal strain graphs were plotted with 0.2% proof strength taken as the onset of yield in the structure, the testing revealed an approximately elasto-plastic strain rate sensitive response behaviour in the yield strength as well as plateau region of the porous samples. Energy absorption analysis was carried out up to ≅0.25 strain. The method described in this paper can be used to generate and study different kinds of porous structures.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"11 1","pages":"118"},"PeriodicalIF":0.0,"publicationDate":"2017-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41532653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-10-16DOI: 10.1504/IJMSI.2017.10008105
Bing Yang, Yuan Xiao, X. Zhou, Wei Gao, Ping Yang
Interface structure is a critical part of electronic components in computers, smart phones, automotive components and other electronic devices. Along with the development of technologies, the demand for electronic devices and their quality has increased rapidly in recent years. Thus, it is indispensable to study the thermal transfer of interface structure. In this article, we give a review of recent investigations on the thermal transfer of interface structure in micro/nano manufacturing. The research method is an important part of scientific research. Therefore, many research methods are listed in this paper. Some academic developments on design and reliability of interface structure by considering thermal characteristics under different loading conditions are also discussed.
{"title":"A discussion and prediction on thermal transfer of interface structure in micro/nano manufacturing","authors":"Bing Yang, Yuan Xiao, X. Zhou, Wei Gao, Ping Yang","doi":"10.1504/IJMSI.2017.10008105","DOIUrl":"https://doi.org/10.1504/IJMSI.2017.10008105","url":null,"abstract":"Interface structure is a critical part of electronic components in computers, smart phones, automotive components and other electronic devices. Along with the development of technologies, the demand for electronic devices and their quality has increased rapidly in recent years. Thus, it is indispensable to study the thermal transfer of interface structure. In this article, we give a review of recent investigations on the thermal transfer of interface structure in micro/nano manufacturing. The research method is an important part of scientific research. Therefore, many research methods are listed in this paper. Some academic developments on design and reliability of interface structure by considering thermal characteristics under different loading conditions are also discussed.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"11 1","pages":"16"},"PeriodicalIF":0.0,"publicationDate":"2017-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43162416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-10-16DOI: 10.1504/IJMSI.2017.10008108
Zhongqiang Zhang, Maolei Hao, Zhen Liu, G. Cheng, Jianning Ding
Molecular dynamics simulations have been carried out to study the Couette flow of nitrogen-oxygen mixture confined in parallel-plate nanochannels. The simulation results show that the shear stress linearly increases with the increase of the shear rate when the channel width is a constant, implying that the shear viscosity of the gas flow is constant in our simulations, which increases with the channel width. However, as the channel width reaches a threshold, the effect of channel width on fluid viscosity decreases gradually. The slip velocity decreases with increasing the solid-gas coupling strength and the number density of the gas molecules. Interestingly, the shear viscosity of fluid confined in the nanochannels increases with enlarging the component ratio of nitrogen. The particular issue at nanoscale is that the solid-like structure is extremely easy to form at the gas flow boundaries for the nitrogen molecules confined in the parallel-plate nanochannels.
{"title":"Flow behaviours and boundary slip of nitrogen-oxygen mixture confined in nanochannel","authors":"Zhongqiang Zhang, Maolei Hao, Zhen Liu, G. Cheng, Jianning Ding","doi":"10.1504/IJMSI.2017.10008108","DOIUrl":"https://doi.org/10.1504/IJMSI.2017.10008108","url":null,"abstract":"Molecular dynamics simulations have been carried out to study the Couette flow of nitrogen-oxygen mixture confined in parallel-plate nanochannels. The simulation results show that the shear stress linearly increases with the increase of the shear rate when the channel width is a constant, implying that the shear viscosity of the gas flow is constant in our simulations, which increases with the channel width. However, as the channel width reaches a threshold, the effect of channel width on fluid viscosity decreases gradually. The slip velocity decreases with increasing the solid-gas coupling strength and the number density of the gas molecules. Interestingly, the shear viscosity of fluid confined in the nanochannels increases with enlarging the component ratio of nitrogen. The particular issue at nanoscale is that the solid-like structure is extremely easy to form at the gas flow boundaries for the nitrogen molecules confined in the parallel-plate nanochannels.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"11 1","pages":"106"},"PeriodicalIF":0.0,"publicationDate":"2017-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44368302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-05-01Epub Date: 2017-02-14DOI: 10.1007/s00262-017-1960-8
Laura Lattanzio, Nerina Denaro, Daniela Vivenza, Chiara Varamo, Giuliana Strola, Mirella Fortunato, Emmanuel Chamorey, Alberto Comino, Martino Monteverde, Cristiana Lo Nigro, Gerard Milano, Marco Merlano
Background: Antibody-dependent cell-mediated cytotoxicity (ADCC) may contribute to the antitumor activity of cetuximab. However, the extent of this contribution is unclear. In this study, we investigated the impact of baseline ADCC on the outcome of patients with locally advanced squamous cell carcinoma treated with cetuximab and radiotherapy.
Methods: We determined baseline ADCC in 28 patients treated with cetuximab and radiotherapy and in 15 patients treated with chemoradiation. We linked the values observed with complete response and with overall survival. We also considered the role of epidermal growth factor receptor (EGFR) expression and studied the combined effect of EGFR and ADCC.
Results: We observed a wide range of baseline values of ADCC. Complete response did not correlate with either ADCC or EGFR expression. However, when ADCC and EGFR were considered together using a mixed score, they significantly correlated with achieving a complete response (p = 0.04). High baseline ADCC significantly correlated with outcome compared to low (p = 0.03), but not in patients treated without cetuximab. Patients showing high baseline levels of both ADCC and EGFR3+ achieved the best outcome compared to the others (p = 0.02).
Conclusions: In this study, patients treated with cetuximab and radiotherapy, showing high baseline of both ADCC and EGFR3+, have significant higher probability of achieving a complete response and a long overall survival compared to the others.
{"title":"Elevated basal antibody-dependent cell-mediated cytotoxicity (ADCC) and high epidermal growth factor receptor (EGFR) expression predict favourable outcome in patients with locally advanced head and neck cancer treated with cetuximab and radiotherapy.","authors":"Laura Lattanzio, Nerina Denaro, Daniela Vivenza, Chiara Varamo, Giuliana Strola, Mirella Fortunato, Emmanuel Chamorey, Alberto Comino, Martino Monteverde, Cristiana Lo Nigro, Gerard Milano, Marco Merlano","doi":"10.1007/s00262-017-1960-8","DOIUrl":"10.1007/s00262-017-1960-8","url":null,"abstract":"<p><strong>Background: </strong>Antibody-dependent cell-mediated cytotoxicity (ADCC) may contribute to the antitumor activity of cetuximab. However, the extent of this contribution is unclear. In this study, we investigated the impact of baseline ADCC on the outcome of patients with locally advanced squamous cell carcinoma treated with cetuximab and radiotherapy.</p><p><strong>Methods: </strong>We determined baseline ADCC in 28 patients treated with cetuximab and radiotherapy and in 15 patients treated with chemoradiation. We linked the values observed with complete response and with overall survival. We also considered the role of epidermal growth factor receptor (EGFR) expression and studied the combined effect of EGFR and ADCC.</p><p><strong>Results: </strong>We observed a wide range of baseline values of ADCC. Complete response did not correlate with either ADCC or EGFR expression. However, when ADCC and EGFR were considered together using a mixed score, they significantly correlated with achieving a complete response (p = 0.04). High baseline ADCC significantly correlated with outcome compared to low (p = 0.03), but not in patients treated without cetuximab. Patients showing high baseline levels of both ADCC and EGFR3+ achieved the best outcome compared to the others (p = 0.02).</p><p><strong>Conclusions: </strong>In this study, patients treated with cetuximab and radiotherapy, showing high baseline of both ADCC and EGFR3+, have significant higher probability of achieving a complete response and a long overall survival compared to the others.</p>","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"6 1","pages":"573-579"},"PeriodicalIF":5.8,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11029535/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88859149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2017-01-01DOI: 10.1504/IJMSI.2017.10010797
Kamalesh Bhowmik, P. Saha
In this study, the seismic response of a benchmark highway bridge is investigated with passive hybrid systems consisting of high damping rubber bearing (HDRB) and linear and nonlinear viscous fluid damper (VFD). The Phase I problem of the benchmark highway bridge is considered for this study. The ground acceleration is applied at all supports of the bridge. A comparative study is performed among the passive control strategies for seismic response control of the highway bridge by calculating various evaluation criteria as mentioned in the benchmark highway bridge problem. A parametric study has been conducted to find different parameters of VFD and HDRB. The optimum damping coefficient and velocity exponent are found for VFD and optimum isolation time period and optimum damping ratio are found for HDRB. The passive hybrid control system consisting of HDRB and nonlinear VFD gives better performance for reduction of base shear, overturning moment, displacement at midspan, bearing deformation and displacement at abutment of the bridge. Hence, it can be deduced that the performance of passive hybrid control system consisting of HDRB and nonlinear VFD is better than individual VFD and HDRB control systems.
{"title":"Seismic response control of benchmark highway bridge using passive hybrid control systems","authors":"Kamalesh Bhowmik, P. Saha","doi":"10.1504/IJMSI.2017.10010797","DOIUrl":"https://doi.org/10.1504/IJMSI.2017.10010797","url":null,"abstract":"In this study, the seismic response of a benchmark highway bridge is investigated with passive hybrid systems consisting of high damping rubber bearing (HDRB) and linear and nonlinear viscous fluid damper (VFD). The Phase I problem of the benchmark highway bridge is considered for this study. The ground acceleration is applied at all supports of the bridge. A comparative study is performed among the passive control strategies for seismic response control of the highway bridge by calculating various evaluation criteria as mentioned in the benchmark highway bridge problem. A parametric study has been conducted to find different parameters of VFD and HDRB. The optimum damping coefficient and velocity exponent are found for VFD and optimum isolation time period and optimum damping ratio are found for HDRB. The passive hybrid control system consisting of HDRB and nonlinear VFD gives better performance for reduction of base shear, overturning moment, displacement at midspan, bearing deformation and displacement at abutment of the bridge. Hence, it can be deduced that the performance of passive hybrid control system consisting of HDRB and nonlinear VFD is better than individual VFD and HDRB control systems.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"11 1","pages":"155"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66767817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-10DOI: 10.1504/IJMSI.2016.079642
N. Liao, Miao Zhang, R. Raj, S. Zhou
Silicon carbonitride (SiCN) has superior mechanical properties at high temperature, but its structural properties in molecular scale are not clear. In this study, atomistic simulations were applied to study the molecular structure of amorphous SiCN. The atomistic structures obtained by large-scale molecular dynamics simulations agree with current experimental results, and moreover, provide more details on molecular structure. The Si-C bonds generally keep stable proportion for all the three cases, which means the additional carbon tends to form free carbon network rather than Si-C bonds. Si-CN3 is dominant inSi-C/N tetrahedron, and as expected the increase of C content in SiCN tends to form more Si-C2N2 and Si-C3N tetrahedra.
{"title":"Predicting structural properties of amorphous silicon carbonitride by atomistic simulation","authors":"N. Liao, Miao Zhang, R. Raj, S. Zhou","doi":"10.1504/IJMSI.2016.079642","DOIUrl":"https://doi.org/10.1504/IJMSI.2016.079642","url":null,"abstract":"Silicon carbonitride (SiCN) has superior mechanical properties at high temperature, but its structural properties in molecular scale are not clear. In this study, atomistic simulations were applied to study the molecular structure of amorphous SiCN. The atomistic structures obtained by large-scale molecular dynamics simulations agree with current experimental results, and moreover, provide more details on molecular structure. The Si-C bonds generally keep stable proportion for all the three cases, which means the additional carbon tends to form free carbon network rather than Si-C bonds. Si-CN3 is dominant inSi-C/N tetrahedron, and as expected the increase of C content in SiCN tends to form more Si-C2N2 and Si-C3N tetrahedra.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"10 1","pages":"63"},"PeriodicalIF":0.0,"publicationDate":"2016-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJMSI.2016.079642","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66767924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-10DOI: 10.1504/IJMSI.2016.079638
Ping Yang, Yunqing Tang, Bing Yang
Interface structure is a critical part of electronic components in computers, smart phones, automotive components and other electronic devices. Along with the development of technologies, the demand for electronic devices and their quality has increased rapidly in recent years. Thus, it is indispensable to research the design and reliability of interface structure. In this article, we give a review of recent investigations on the design and reliability of interface structure. Some academic developments on design and reliability of interface structure by considering thermal characteristics under different loading conditions are discussed.
{"title":"A review on design of interface structure in micro/nano manufacturing","authors":"Ping Yang, Yunqing Tang, Bing Yang","doi":"10.1504/IJMSI.2016.079638","DOIUrl":"https://doi.org/10.1504/IJMSI.2016.079638","url":null,"abstract":"Interface structure is a critical part of electronic components in computers, smart phones, automotive components and other electronic devices. Along with the development of technologies, the demand for electronic devices and their quality has increased rapidly in recent years. Thus, it is indispensable to research the design and reliability of interface structure. In this article, we give a review of recent investigations on the design and reliability of interface structure. Some academic developments on design and reliability of interface structure by considering thermal characteristics under different loading conditions are discussed.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"10 1","pages":"23"},"PeriodicalIF":0.0,"publicationDate":"2016-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJMSI.2016.079638","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66767688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-10DOI: 10.1504/IJMSI.2016.079646
Jiahao Zheng, Jianming Yang
Threaded connections are widely used in connecting drill pipes into a drill string. During drilling operations, the threaded connections are subjected to various external loads, including the load from the unevenness of rock formation at the bottom, impact from the well bore and axial hook load etc. These loads are primarily random, and will cause fatigue damage to the connections during drilling operation. In this paper, a standard 4.5" API line pipe threaded connection is analysed to investigate the fatigue effect of the random loads. A static stress analysis is first conducted considering 'make-up' and 'tensile load' steps. Then modal analysis and random vibration analysis are carried out, with the excitation considered as random. The fatigue damage is predicted using the so called three-band technique based on the stress results obtained. Effects of parameters, such as the random excitation, location of the connection, and friction coefficient, on the fatigue are discussed.
{"title":"Random fatigue analysis of drill-pipe threaded connection","authors":"Jiahao Zheng, Jianming Yang","doi":"10.1504/IJMSI.2016.079646","DOIUrl":"https://doi.org/10.1504/IJMSI.2016.079646","url":null,"abstract":"Threaded connections are widely used in connecting drill pipes into a drill string. During drilling operations, the threaded connections are subjected to various external loads, including the load from the unevenness of rock formation at the bottom, impact from the well bore and axial hook load etc. These loads are primarily random, and will cause fatigue damage to the connections during drilling operation. In this paper, a standard 4.5\" API line pipe threaded connection is analysed to investigate the fatigue effect of the random loads. A static stress analysis is first conducted considering 'make-up' and 'tensile load' steps. Then modal analysis and random vibration analysis are carried out, with the excitation considered as random. The fatigue damage is predicted using the so called three-band technique based on the stress results obtained. Effects of parameters, such as the random excitation, location of the connection, and friction coefficient, on the fatigue are discussed.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"10 1","pages":"34"},"PeriodicalIF":0.0,"publicationDate":"2016-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJMSI.2016.079646","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66768029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-10DOI: 10.1504/IJMSI.2016.079641
Shouhong Chen, Zhuang Wang, Hou Xingna, Xuelong Yan, Ping Yang
Boundary scan test technology provides a powerful means to solve the difficult problem of high density integrated test system components. It introduces the development of a more general boundary scan test system based on electronic design interchange format (EDIF) and Protel netlist which can transfer EDIF netlist file to Protel netlist file. According to the characteristics of EDIF netlist file and Protel netlist file, the design and implementation of a compiler to transfer EDIF to Protel netlist file is presented. The compiler uses Flex and Bison to deal with EDIF files for lexical and syntax checking, error handling, and then according to the rules of Protel it generates the Protel netlist file. The test system can achieve the test and fault diagnosis.
{"title":"A general boundary scan test system based on EDIF netlist file transfer to Protel netlist file","authors":"Shouhong Chen, Zhuang Wang, Hou Xingna, Xuelong Yan, Ping Yang","doi":"10.1504/IJMSI.2016.079641","DOIUrl":"https://doi.org/10.1504/IJMSI.2016.079641","url":null,"abstract":"Boundary scan test technology provides a powerful means to solve the difficult problem of high density integrated test system components. It introduces the development of a more general boundary scan test system based on electronic design interchange format (EDIF) and Protel netlist which can transfer EDIF netlist file to Protel netlist file. According to the characteristics of EDIF netlist file and Protel netlist file, the design and implementation of a compiler to transfer EDIF to Protel netlist file is presented. The compiler uses Flex and Bison to deal with EDIF files for lexical and syntax checking, error handling, and then according to the rules of Protel it generates the Protel netlist file. The test system can achieve the test and fault diagnosis.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"10 1","pages":"70-80"},"PeriodicalIF":0.0,"publicationDate":"2016-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJMSI.2016.079641","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66767912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-10-10DOI: 10.1504/IJMSI.2016.079640
Liang Qi, Tianbo Li, W. Mao, Ping Yang
Line heating (LH) technology is the main process mode in ship-hull plate's curve forming. Generally, operators implement LH process with constant velocity which is easy and convenient to realise. However, phenomenon of 'non-uniform deformation' is easily generated along heating path. The paper studies the root of the phenomenon and puts forth a new kind of LH technology with variable velocity. Internal relationship between temperature field and deformation field under the new technology is studied by numerical simulations. Simulation results show that the new technology can alleviate negative effects of the phenomenon effectively.
{"title":"Research on ship-hull plate's curve forming by means of line heating with variable velocity","authors":"Liang Qi, Tianbo Li, W. Mao, Ping Yang","doi":"10.1504/IJMSI.2016.079640","DOIUrl":"https://doi.org/10.1504/IJMSI.2016.079640","url":null,"abstract":"Line heating (LH) technology is the main process mode in ship-hull plate's curve forming. Generally, operators implement LH process with constant velocity which is easy and convenient to realise. However, phenomenon of 'non-uniform deformation' is easily generated along heating path. The paper studies the root of the phenomenon and puts forth a new kind of LH technology with variable velocity. Internal relationship between temperature field and deformation field under the new technology is studied by numerical simulations. Simulation results show that the new technology can alleviate negative effects of the phenomenon effectively.","PeriodicalId":39035,"journal":{"name":"International Journal of Materials and Structural Integrity","volume":"42 1","pages":"99"},"PeriodicalIF":0.0,"publicationDate":"2016-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJMSI.2016.079640","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66767781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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