Pub Date : 2016-01-25DOI: 10.11127/IJAMMC2016.04.07
Deshpande R.G.
A B S T R A C T Machining is a versatile technique of producing a wide variety of components from a wide range of materials with acceptable levels of dimensional accuracy and surface integrity. The advances in the field of Materials science and Technology have led to development of new materials with improved engineering properties even for commonly used materials. Even the strength and hardness of a variety of conventional engineering materials has increased many fold to keep pace with development of new materials. Sintered carbides are extensively used as cutting tool material, a material in machining a wide variety of work materials in present day machining industry with proven machining abilities compared to HSS tool and Cast alloy. But in machining of high strength temperature resistance alloys used in aerospace, marine and nuclear applications, they have failed miserably due to rapid wear. This has forced the machining Industry to bring in innovative changes in process design and application in terms of rigid machine tool and new cooling strategies. However, machining of these new classes of materials is still plagued by low productivity due to rapid wear. In the present work, uncoated Tungsten Carbide cutting tool inserts of geometry SNMG 120408-MR4 have been used. The inserts were cryogenically treated and were subjected to annealing in electric muffle furnace by pacing on refractory brick at temperatures 400oC, 600oC, 800oC. The samples showed appreciable improvement in hardness and microstructure study revealed that carbide phase distribution was fairly uniform with binder phase segregating slightly in few cases. Under all cutting velocities, Cryotreated and annealed inserts showed the highest tool life and wear resistance. Annealing has significant influence on the phases present in WC+Co inserts and subsequently influences their machining performance.
{"title":"Machining C-45 Steel With Cryogenically Treated And Annealed Tungsten Carbide Cutting Tool Inserts","authors":"Deshpande R.G.","doi":"10.11127/IJAMMC2016.04.07","DOIUrl":"https://doi.org/10.11127/IJAMMC2016.04.07","url":null,"abstract":"A B S T R A C T Machining is a versatile technique of producing a wide variety of components from a wide range of materials with acceptable levels of dimensional accuracy and surface integrity. The advances in the field of Materials science and Technology have led to development of new materials with improved engineering properties even for commonly used materials. Even the strength and hardness of a variety of conventional engineering materials has increased many fold to keep pace with development of new materials. Sintered carbides are extensively used as cutting tool material, a material in machining a wide variety of work materials in present day machining industry with proven machining abilities compared to HSS tool and Cast alloy. But in machining of high strength temperature resistance alloys used in aerospace, marine and nuclear applications, they have failed miserably due to rapid wear. This has forced the machining Industry to bring in innovative changes in process design and application in terms of rigid machine tool and new cooling strategies. However, machining of these new classes of materials is still plagued by low productivity due to rapid wear. In the present work, uncoated Tungsten Carbide cutting tool inserts of geometry SNMG 120408-MR4 have been used. The inserts were cryogenically treated and were subjected to annealing in electric muffle furnace by pacing on refractory brick at temperatures 400oC, 600oC, 800oC. The samples showed appreciable improvement in hardness and microstructure study revealed that carbide phase distribution was fairly uniform with binder phase segregating slightly in few cases. Under all cutting velocities, Cryotreated and annealed inserts showed the highest tool life and wear resistance. Annealing has significant influence on the phases present in WC+Co inserts and subsequently influences their machining performance.","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130411759","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 : 2016-01-25DOI: 10.11127/IJAMMC2016.04.16
J. Quadros
of drilling forces produced during the drilling process of [0/0/0] or uni-directional and [0/90/0] or bi-directional glass fiber reinforced epoxy composite laminates. The composite laminates were prepared by hand lay-up technique. The drilling process is carried out by using 3 drill bits of different drill point geometries viz. 4-facet, 8-facet and jo-drill. The corresponding ultimate failure stress for the manufactured composite laminates has been determined by using Tsai-wu failure criteria. The study reveals that, the finest orientation for glass fibers i.e. bi-directional can be implemented for manufacturing of the glass fiber reinforced epoxy GFRP composite laminates due to minimum damage affecting failure. Finally, the scanning electron microscopic observation on the drilled specimens are examined and discussed accordingly.
{"title":"Investigation of Thrust Force and Torque Induced Failure on Stacking Sequence of Glass Fibers in GFRP Composite Laminates during Drilling Process","authors":"J. Quadros","doi":"10.11127/IJAMMC2016.04.16","DOIUrl":"https://doi.org/10.11127/IJAMMC2016.04.16","url":null,"abstract":"of drilling forces produced during the drilling process of [0/0/0] or uni-directional and [0/90/0] or bi-directional glass fiber reinforced epoxy composite laminates. The composite laminates were prepared by hand lay-up technique. The drilling process is carried out by using 3 drill bits of different drill point geometries viz. 4-facet, 8-facet and jo-drill. The corresponding ultimate failure stress for the manufactured composite laminates has been determined by using Tsai-wu failure criteria. The study reveals that, the finest orientation for glass fibers i.e. bi-directional can be implemented for manufacturing of the glass fiber reinforced epoxy GFRP composite laminates due to minimum damage affecting failure. Finally, the scanning electron microscopic observation on the drilled specimens are examined and discussed accordingly.","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130580798","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 : 2016-01-25DOI: 10.11127/IJAMMC2016.04.05
Messaadi Mahassene
A B S T R A C T In this paper, Zn/Al double layered hydroxides (ZnAl LDH) were synthesized by chemical co-precipitation method and grafted with Diamino Dodecyl Phosphonic Acid (DDPA) by direct reaction and the obtained solids (ZnAl-DDPA LDH) were characterized by powder X-ray diffraction, infrared spectroscopy, BET and elemental analysis. So, the present research was aimed to study the removal efficiency of Cd2+ by ZnAl-DDPA LDHand investigated all the parameters of adsorption such as the effect of concentration of Cd2+, effect of pH, adsorbent dose, the effect of salt and temperature. The sorption data were analyzed and fitted to linearized equations of the Langmuir and Freundlich. The kinetics of sorption was analyzed by use of pseudo-first-order and pseudosecond order kinetic models.
{"title":"THE INTERCALATION OF Zn/Al HDL BY THE DIAMINO DODECYL PHOPHONIC ACID: SYNTHESIS AND PROPERTIES OF ADSORPTION OF CADMIUM","authors":"Messaadi Mahassene","doi":"10.11127/IJAMMC2016.04.05","DOIUrl":"https://doi.org/10.11127/IJAMMC2016.04.05","url":null,"abstract":"A B S T R A C T In this paper, Zn/Al double layered hydroxides (ZnAl LDH) were synthesized by chemical co-precipitation method and grafted with Diamino Dodecyl Phosphonic Acid (DDPA) by direct reaction and the obtained solids (ZnAl-DDPA LDH) were characterized by powder X-ray diffraction, infrared spectroscopy, BET and elemental analysis. So, the present research was aimed to study the removal efficiency of Cd2+ by ZnAl-DDPA LDHand investigated all the parameters of adsorption such as the effect of concentration of Cd2+, effect of pH, adsorbent dose, the effect of salt and temperature. The sorption data were analyzed and fitted to linearized equations of the Langmuir and Freundlich. The kinetics of sorption was analyzed by use of pseudo-first-order and pseudosecond order kinetic models.","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126378125","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 : 2016-01-25DOI: 10.11127/IJAMMC.2016.04.15
T. Rakshith
{"title":"Optimization Of Parameters For Elbow Component Using Manufacturing Simulation","authors":"T. Rakshith","doi":"10.11127/IJAMMC.2016.04.15","DOIUrl":"https://doi.org/10.11127/IJAMMC.2016.04.15","url":null,"abstract":"","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124481711","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 : 2016-01-25DOI: 10.11127/IJAMMC2016.04.01
K. ViswanathAllamraju
{"title":"An Experimental Study On Fatigue And Durability Of Energy Harvester","authors":"K. ViswanathAllamraju","doi":"10.11127/IJAMMC2016.04.01","DOIUrl":"https://doi.org/10.11127/IJAMMC2016.04.01","url":null,"abstract":"","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132762235","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 : 2016-01-25DOI: 10.11127/IJAMMC.2016.04.12
G. MataniA.
{"title":"Improving Green Supply Chain Management Productivity Towards Ecologically Sustainable Business Practices in Indian Manufacturing","authors":"G. MataniA.","doi":"10.11127/IJAMMC.2016.04.12","DOIUrl":"https://doi.org/10.11127/IJAMMC.2016.04.12","url":null,"abstract":"","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127342757","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 : 2015-03-01DOI: 10.11127/IJAMMC.2015.03.07
M. Rath
The present study deals with numerical investigation on vibration and buckling behavior of laminated composite angular plates subjected to varying temperature and moisture concentration. Quantitative results are presented to show the effects of geometry, material and lamination parameters of woven fiber laminate on vibration and buckling of composite plates for different temperature and moisture concentrations.
{"title":"Free Vibration of Woven Fiber Composite Angular Plates in Adverse Hygrothermal Environment","authors":"M. Rath","doi":"10.11127/IJAMMC.2015.03.07","DOIUrl":"https://doi.org/10.11127/IJAMMC.2015.03.07","url":null,"abstract":"The present study deals with numerical investigation on vibration and buckling behavior of laminated composite angular plates subjected to varying temperature and moisture concentration. Quantitative results are presented to show the effects of geometry, material and lamination parameters of woven fiber laminate on vibration and buckling of composite plates for different temperature and moisture concentrations.","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"12 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133895738","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 : 2015-03-01DOI: 10.11127/IJAMMC.2015.03.03
M. V. Kulkarni, K. Elangovan, K. Hemachandrareddy, M. Poojari, S. Harsha
The friction and wear properties of polyamide 6 (PA6) and CaSiO3 (Calcium meta silicate) reinforced PA6 composites sliding against metal under dry sliding conditions are studied as per ASTM G99 standard by using a pin-on-disc wear testing apparatus. The result of the applied load and rubbing speed on the wear behaviour of the polymer–metal sliding combinations under dry / normal sliding conditions are investigated. The worn surfaces are examined by using Scanning Electron Microscope (SEM). Experimental results show that CaSiO3 samples under dry conditions show enhanced wear resistance. It is noticed that frictional heat has the capacity to change the physical state of the polyamide sliding surfaces and hence contributes for a major change on the wear behaviour of polymer-metal sliding under dry / normal sliding conditions.
{"title":"Tribological Behaviours of CaSiO3 Reinforced PA6 Polymer–Metal Sliding Combinations under Dry Friction Conditions","authors":"M. V. Kulkarni, K. Elangovan, K. Hemachandrareddy, M. Poojari, S. Harsha","doi":"10.11127/IJAMMC.2015.03.03","DOIUrl":"https://doi.org/10.11127/IJAMMC.2015.03.03","url":null,"abstract":"The friction and wear properties of polyamide 6 (PA6) and CaSiO3 (Calcium meta silicate) reinforced PA6 composites sliding against metal under dry sliding conditions are studied as per ASTM G99 standard by using a pin-on-disc wear testing apparatus. The result of the applied load and rubbing speed on the wear behaviour of the polymer–metal sliding combinations under dry / normal sliding conditions are investigated. The worn surfaces are examined by using Scanning Electron Microscope (SEM). Experimental results show that CaSiO3 samples under dry conditions show enhanced wear resistance. It is noticed that frictional heat has the capacity to change the physical state of the polyamide sliding surfaces and hence contributes for a major change on the wear behaviour of polymer-metal sliding under dry / normal sliding conditions.","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121268365","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 : 2015-03-01DOI: 10.11127/IJAMMC.2015.03.02
Ashwani Kumar, P. Patil
The main objective of this research work is to study the dynamic vibration characteristics of loose transmission gearbox casing. The loose vehicle transmission casing produces heavy vibration and noise. Noise and vibrations are the two technical indexes for the transmission failure. Truck transmission gearbox assembly is subjected to harmonic and meshing excitation. These excitation forces are the main reason of noise and vibration. The vehicle gearbox casing is mounted on chassis frame using connecting bolts fixture. 37 positional connecting bolts fixture were used to constraint the casing on chassis frame. This study is carried out in three stages. In first stage zero displacement constraint based boundary condition were used to evaluate the exact natural frequency and mode shapes. In second stage 4 fixture bolts were loosened, natural frequency and mode shapes were evaluated. In third stage all bolts of left positional view is unconstrained, natural frequency and mode shapes were evaluated. Reciprocity Principle was used to apply the loads on casing. The first 10 vibration mode shapes and natural frequencies were calculated using ANSYS 14.5. The study has practical importance for the structure optimization of gearbox casing. ANSYS 14.5 is used as FEA based analysis tool. The natural frequency for zero displacement condition varies from 1669 Hz to 2865 Hz. The simulation results were verified with experimental result available in literature.
{"title":"FEA Based Dynamic Vibration Response Analysis of Loose Mounted Heavy Vehicle Transmission Gearbox Casing","authors":"Ashwani Kumar, P. Patil","doi":"10.11127/IJAMMC.2015.03.02","DOIUrl":"https://doi.org/10.11127/IJAMMC.2015.03.02","url":null,"abstract":"The main objective of this research work is to study the dynamic vibration characteristics of loose transmission gearbox casing. The loose vehicle transmission casing produces heavy vibration and noise. Noise and vibrations are the two technical indexes for the transmission failure. Truck transmission gearbox assembly is subjected to harmonic and meshing excitation. These excitation forces are the main reason of noise and vibration. The vehicle gearbox casing is mounted on chassis frame using connecting bolts fixture. 37 positional connecting bolts fixture were used to constraint the casing on chassis frame. This study is carried out in three stages. In first stage zero displacement constraint based boundary condition were used to evaluate the exact natural frequency and mode shapes. In second stage 4 fixture bolts were loosened, natural frequency and mode shapes were evaluated. In third stage all bolts of left positional view is unconstrained, natural frequency and mode shapes were evaluated. Reciprocity Principle was used to apply the loads on casing. The first 10 vibration mode shapes and natural frequencies were calculated using ANSYS 14.5. The study has practical importance for the structure optimization of gearbox casing. ANSYS 14.5 is used as FEA based analysis tool. The natural frequency for zero displacement condition varies from 1669 Hz to 2865 Hz. The simulation results were verified with experimental result available in literature.","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126327977","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 : 2015-03-01DOI: 10.11127/IJAMMC.2015.03.01
J. Sudeepan, Kaushik Kumar, T. Barman, P. Sahoo
A B S T R A C T The mechanical and tribological properties of acrylonitrile-butadiene-styrene (ABS) polymer filled with micron-sized zinc oxide (ZnO) are studied in this paper. The mechanical properties viz. tensile modulus, tensile strength, flexural modulus, flexural strength and micro-hardness are studied. For mechanical tests, ABS/ZnO composite materials are developed with 0, 5, 10, 15 and 20 wt% of filler. It is seen from the results that the tensile and flexural moduli increase with increase up to considered filler content, but the tensile strength and flexural strength increase up to 15 wt% and then start decreasing. The tribological behavior (friction coefficient and specific wear rate) of ABS composites filled with ZnO filler sliding against the steel counter face are investigated varying filler content (A), normal load (B) and sliding speed (C) with three levels of each parameter. The experiments are conducted on a multitribotester (block-on-roller configuration) using L27 orthogonal array (OA) of Taguchi analysis. To optimize the multiple responses (friction coefficient and specific wear rate), grey relational analysis is performed for the experimental results. It is seen from the analysis that the highest level of design parameters (A3B3C3) provides minimum friction coefficient and specific wear rate. The most influential factor which affects the tribological properties is normal load (B) followed by sliding speed (C) and filler content (A). Finally, a confirmation test is also carried out to validate the optimized results and it is seen that the grey relational grade is increased about 22% from initial to optimum conditions. The worn surfaces of ABS filled with micron-sized ZnO are also investigated by using scanning electron microscopy (SEM) images. It is seen that there are longitudinal grooves caused by micro-cutting effect and the wear mechanism is mainly abrasive in nature
{"title":"Study of Mechanical and Tribological Properties of Abs/ZnO Polymer Composites","authors":"J. Sudeepan, Kaushik Kumar, T. Barman, P. Sahoo","doi":"10.11127/IJAMMC.2015.03.01","DOIUrl":"https://doi.org/10.11127/IJAMMC.2015.03.01","url":null,"abstract":"A B S T R A C T The mechanical and tribological properties of acrylonitrile-butadiene-styrene (ABS) polymer filled with micron-sized zinc oxide (ZnO) are studied in this paper. The mechanical properties viz. tensile modulus, tensile strength, flexural modulus, flexural strength and micro-hardness are studied. For mechanical tests, ABS/ZnO composite materials are developed with 0, 5, 10, 15 and 20 wt% of filler. It is seen from the results that the tensile and flexural moduli increase with increase up to considered filler content, but the tensile strength and flexural strength increase up to 15 wt% and then start decreasing. The tribological behavior (friction coefficient and specific wear rate) of ABS composites filled with ZnO filler sliding against the steel counter face are investigated varying filler content (A), normal load (B) and sliding speed (C) with three levels of each parameter. The experiments are conducted on a multitribotester (block-on-roller configuration) using L27 orthogonal array (OA) of Taguchi analysis. To optimize the multiple responses (friction coefficient and specific wear rate), grey relational analysis is performed for the experimental results. It is seen from the analysis that the highest level of design parameters (A3B3C3) provides minimum friction coefficient and specific wear rate. The most influential factor which affects the tribological properties is normal load (B) followed by sliding speed (C) and filler content (A). Finally, a confirmation test is also carried out to validate the optimized results and it is seen that the grey relational grade is increased about 22% from initial to optimum conditions. The worn surfaces of ABS filled with micron-sized ZnO are also investigated by using scanning electron microscopy (SEM) images. It is seen that there are longitudinal grooves caused by micro-cutting effect and the wear mechanism is mainly abrasive in nature","PeriodicalId":207087,"journal":{"name":"International Journal of Advanced Materials Manufacturing and Characterization","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129354264","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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