Peter Orihel, Jana Ptačinová, P. Gogola, M. Keddam, P. Jurči
Abstract In this research work, we subjected the Sleipner steel to pack-boronizing within the temperature range of 1173–1323 K, lasting from 1 to 10 h. Our study involved assessing the steel’s microstructure by examining interphase morphology and measuring the layers’ thicknesses through scanning electron microscopy. To determine the phase composition of the boronized layers, we employed X-ray diffraction analysis. Furthermore, we investigated the redistribution of certain elements during the boronizing process using EDS mapping and EDS point analysis. The boride layers were found to consist of FeB and Fe2B phases. We conducted microhardness testing using the Vickers method on the diffusion zone, Fe2B, and FeB. Lastly, we utilized a diffusion model to evaluate the activation energies of boron in FeB and Fe2B, and we presented the results in terms of activation energies.
摘要 在这项研究工作中，我们在 1173-1323 K 的温度范围内对 Sleipner 钢进行了 1 到 10 小时的包硼处理。我们的研究包括通过相间形态检查和扫描电子显微镜测量层厚度来评估钢的微观结构。为了确定硼化层的相组成，我们采用了 X 射线衍射分析法。此外，我们还利用 EDS 图谱和 EDS 点分析法研究了硼化过程中某些元素的重新分布情况。结果发现，硼化物层由 FeB 和 Fe2B 相组成。我们使用维氏方法对扩散区、Fe2B 和 FeB 进行了显微硬度测试。最后，我们利用扩散模型评估了硼在 FeB 和 Fe2B 中的活化能，并以活化能的形式展示了结果。
{"title":"Pack-boriding of Sleipner steel: microstructure analysis and kinetics modeling","authors":"Peter Orihel, Jana Ptačinová, P. Gogola, M. Keddam, P. Jurči","doi":"10.1515/mt-2023-0331","DOIUrl":"https://doi.org/10.1515/mt-2023-0331","url":null,"abstract":"Abstract In this research work, we subjected the Sleipner steel to pack-boronizing within the temperature range of 1173–1323 K, lasting from 1 to 10 h. Our study involved assessing the steel’s microstructure by examining interphase morphology and measuring the layers’ thicknesses through scanning electron microscopy. To determine the phase composition of the boronized layers, we employed X-ray diffraction analysis. Furthermore, we investigated the redistribution of certain elements during the boronizing process using EDS mapping and EDS point analysis. The boride layers were found to consist of FeB and Fe2B phases. We conducted microhardness testing using the Vickers method on the diffusion zone, Fe2B, and FeB. Lastly, we utilized a diffusion model to evaluate the activation energies of boron in FeB and Fe2B, and we presented the results in terms of activation energies.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"63 2 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139238682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract In this study, an LM13 metal-matrix composite was fabricated using two reinforcement particles (hard and soft) of titanium diboride and zirconium carbide. An experimental design was used to narrow down the trials. The significance of the model was tested using Student’s t-test and p values. The response surface statistical method was used to obtain the optimum process parameters for the high-strength hybrid metal matrix composite. From the experimental results, a maximum strength of 209 MPa was gained at a stirrer speed of 700 rpm, weight fraction of TiB2 and ZrC of 9 %, and casting temperature of 675 °C. The ANOVA results showed that TiB2 was the main influential process parameter, followed by the stirrer speed, casting temperature, and zirconium boride. The microstructure showed a fine and uniform distribution of reinforcement particles in the LM13 matrix. The fracture surface exhibited a mixed fracture pattern, which was due to the good bonding between the reinforcement and matrix at the interface.
摘要 本研究使用二硼化钛（Titanium diboride）和碳化锆（Zirconium carbide）两种增强颗粒（硬质和软质）制作了 LM13 金属基复合材料。实验设计用于缩小试验范围。使用学生 t 检验和 p 值检验了模型的显著性。采用响应面统计方法获得了高强度混合金属基复合材料的最佳工艺参数。实验结果表明，在搅拌器转速为 700 rpm、TiB2 和 ZrC 的重量分数为 9 %、浇铸温度为 675 °C 的条件下，获得的最大强度为 209 MPa。方差分析结果表明，TiB2 是主要的影响工艺参数，其次是搅拌器速度、浇铸温度和硼化锆。微观结构显示，强化颗粒在 LM13 基体中分布细小均匀。断裂面呈现出混合断裂模式，这是由于在界面处增强体与基体之间的良好结合。
{"title":"Identifying stir casting process parameters to maximize strength of LM13 with TiB2 and ZrC hybrid metal matrix composite","authors":"B. Siddharthan, Kumaravel Arumugam","doi":"10.1515/mt-2023-0193","DOIUrl":"https://doi.org/10.1515/mt-2023-0193","url":null,"abstract":"Abstract In this study, an LM13 metal-matrix composite was fabricated using two reinforcement particles (hard and soft) of titanium diboride and zirconium carbide. An experimental design was used to narrow down the trials. The significance of the model was tested using Student’s t-test and p values. The response surface statistical method was used to obtain the optimum process parameters for the high-strength hybrid metal matrix composite. From the experimental results, a maximum strength of 209 MPa was gained at a stirrer speed of 700 rpm, weight fraction of TiB2 and ZrC of 9 %, and casting temperature of 675 °C. The ANOVA results showed that TiB2 was the main influential process parameter, followed by the stirrer speed, casting temperature, and zirconium boride. The microstructure showed a fine and uniform distribution of reinforcement particles in the LM13 matrix. The fracture surface exhibited a mixed fracture pattern, which was due to the good bonding between the reinforcement and matrix at the interface.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"6 2","pages":""},"PeriodicalIF":2.5,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139251622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Panaruj Bussayasripatt, Kitti Poungsiri, Chetarpa Yipyintum, Chris Charoenlap, Chindanai Hongsaprabhas, K. Pataradool, Thanawat Tantimethanon, Thanawat Phetrattanarangsi, C. Puncreobutr, B. Lohwongwatana
Abstract Approximately 24 out of every 100 adults in the United States, or 58.5 million people, have arthritis, which refers to a condition that causes pain and inflammation in a joint according to US National Center for Chronic Disease Prevention and Health Promotion. Osteoarthritis is the most common type of arthritis, and it may damage almost any joint but mainly occur in hands, hips and knees. While there are several joint replacement options for hips and knees, there are only limited options for finger joints. In this paper, we report on several aspects of testing of novel finger joints: testing apparatus design, cadaveric performance test and material testing results of titanium joints using 3D-printed Ti6Al4V extra low interstitial (ELI). Soft cadaveric hands with finger joints were surgically replaced by additively manufactured titanium joints following the exact same anatomy of the cadavers. These small joints were engineered to mimic the biological and natural movements of fingers. The apparatus, methodology and results of biomechanical tests were deployed to evaluate and validate the joints particularly those of titanium joints manufactured via laser powder bed fusion methods (PBF-L/M).
{"title":"Performance of additively manufactured Ti6Al4V ELI finger joints: biomechanical testing and evaluation for arthritis management","authors":"Panaruj Bussayasripatt, Kitti Poungsiri, Chetarpa Yipyintum, Chris Charoenlap, Chindanai Hongsaprabhas, K. Pataradool, Thanawat Tantimethanon, Thanawat Phetrattanarangsi, C. Puncreobutr, B. Lohwongwatana","doi":"10.1515/mt-2023-0328","DOIUrl":"https://doi.org/10.1515/mt-2023-0328","url":null,"abstract":"Abstract Approximately 24 out of every 100 adults in the United States, or 58.5 million people, have arthritis, which refers to a condition that causes pain and inflammation in a joint according to US National Center for Chronic Disease Prevention and Health Promotion. Osteoarthritis is the most common type of arthritis, and it may damage almost any joint but mainly occur in hands, hips and knees. While there are several joint replacement options for hips and knees, there are only limited options for finger joints. In this paper, we report on several aspects of testing of novel finger joints: testing apparatus design, cadaveric performance test and material testing results of titanium joints using 3D-printed Ti6Al4V extra low interstitial (ELI). Soft cadaveric hands with finger joints were surgically replaced by additively manufactured titanium joints following the exact same anatomy of the cadavers. These small joints were engineered to mimic the biological and natural movements of fingers. The apparatus, methodology and results of biomechanical tests were deployed to evaluate and validate the joints particularly those of titanium joints manufactured via laser powder bed fusion methods (PBF-L/M).","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"1 1","pages":""},"PeriodicalIF":2.5,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139253004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract B-pillars are vital structural components in rollover-related accidents. In this study, the performances of homogeneous B-pillars designed from B1500HS-T25, AA2024-T351, and AA6061-T6 materials and hybrid B-pillars designed from their combinations under crushing load were compared in energy absorption using simulation results. Optimization studies were conducted utilizing the upper part B1500HS-T25 and lower part AA6061-T6 hybrid B-pillar, which gave the highest energy absorption value. Method of feasible directions was utilized to solve the single-objective optimization, and B-pillar mass decreased by 22.6 % from 2.736 to 2.117 kg compared with the reference B-pillar. Global Response Search Method and Multi-Objective Genetic Algorithm were used to solve the multi-objective optimization problem. B-pillar with min mass decreased mass value by 25 % from 2.736 to 2.052 kg for both methods. This optimum hybrid B-pillar can be utilized in car design.
{"title":"Design optimization of hybrid material B-pillar under crush loading","authors":"İsmail Öztürk","doi":"10.1515/mt-2023-0069","DOIUrl":"https://doi.org/10.1515/mt-2023-0069","url":null,"abstract":"Abstract B-pillars are vital structural components in rollover-related accidents. In this study, the performances of homogeneous B-pillars designed from B1500HS-T25, AA2024-T351, and AA6061-T6 materials and hybrid B-pillars designed from their combinations under crushing load were compared in energy absorption using simulation results. Optimization studies were conducted utilizing the upper part B1500HS-T25 and lower part AA6061-T6 hybrid B-pillar, which gave the highest energy absorption value. Method of feasible directions was utilized to solve the single-objective optimization, and B-pillar mass decreased by 22.6 % from 2.736 to 2.117 kg compared with the reference B-pillar. Global Response Search Method and Multi-Objective Genetic Algorithm were used to solve the multi-objective optimization problem. B-pillar with min mass decreased mass value by 25 % from 2.736 to 2.052 kg for both methods. This optimum hybrid B-pillar can be utilized in car design.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"2 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136229644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract They are produced with the desired performance with friction modifiers, reinforcements, lubricants, binders, and fillers used in various properties in brake pads. This study investigated the effect of the use of halloysite nanoclay material used in different sectors as a filler in brake pads. The hot-pressing method produced brake pad samples containing 10–15 % and 20 % halloysite nanoclay. A full-scale brake pad tester determined the samples’ friction coefficient and wear rates. Scanning electron microscopy (SEM) and 3D profilometer analyses were performed on the worn sample surfaces after the experiment. As a result, it was determined that the halloysite nanoclay samples met the desired brake lining properties.
{"title":"Investigation of the effects of halloysite nanoclay on friction and wear behavior of automotive brake pads","authors":"Hüseyin Bayrakçeken, Hicri Yavuz","doi":"10.1515/mt-2023-0027","DOIUrl":"https://doi.org/10.1515/mt-2023-0027","url":null,"abstract":"Abstract They are produced with the desired performance with friction modifiers, reinforcements, lubricants, binders, and fillers used in various properties in brake pads. This study investigated the effect of the use of halloysite nanoclay material used in different sectors as a filler in brake pads. The hot-pressing method produced brake pad samples containing 10–15 % and 20 % halloysite nanoclay. A full-scale brake pad tester determined the samples’ friction coefficient and wear rates. Scanning electron microscopy (SEM) and 3D profilometer analyses were performed on the worn sample surfaces after the experiment. As a result, it was determined that the halloysite nanoclay samples met the desired brake lining properties.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"7 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136229437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract Tri-chiral structures are auxetic structures that show negative Poisson’s ratio. This effect is due to their microstructure and geometric sequence. They are used in the development of novel products as they show improved damping and energy absorption properties. While traditional manufacturing methods remain dysfunctional, the development of additive manufacturing technology provides opportunities for new studies in various industries such as aviation, textile, and automotive. In this study, passive airfoil morphing application was applied and a comparative study was carried out. A two-stage study was conducted. First, the tri-chiral pattern was fabricated by an FDM 3D printer with PLA+ and subjected to the in-plane compression test. Stress–strain curves of the tri-chiral structure were generated. Then, it was used in airfoil morphing applications. Morphed airfoil was also manufactured and a compression test was applied. Secondly, the aerostatic loads of the aircraft were calculated. Both conventional and chiral morphed ribs’ behaviors under flight loads were examined using the FEM and results were compared. The weight difference was calculated. In addition, eigenfrequency and eigenvectors of traditional and chiral ribs were computed and transverse vibration frequencies were expressed. Despite being more than 50 % lighter, chiral morphed rib was found to be stiffer than conventional rib.
{"title":"Structural comparison of conventional and chiral auxetic morphed aircraft rib","authors":"Cevher Yusuf Inan, Zafer Evis, Berkan Ozturk","doi":"10.1515/mt-2023-0155","DOIUrl":"https://doi.org/10.1515/mt-2023-0155","url":null,"abstract":"Abstract Tri-chiral structures are auxetic structures that show negative Poisson’s ratio. This effect is due to their microstructure and geometric sequence. They are used in the development of novel products as they show improved damping and energy absorption properties. While traditional manufacturing methods remain dysfunctional, the development of additive manufacturing technology provides opportunities for new studies in various industries such as aviation, textile, and automotive. In this study, passive airfoil morphing application was applied and a comparative study was carried out. A two-stage study was conducted. First, the tri-chiral pattern was fabricated by an FDM 3D printer with PLA+ and subjected to the in-plane compression test. Stress–strain curves of the tri-chiral structure were generated. Then, it was used in airfoil morphing applications. Morphed airfoil was also manufactured and a compression test was applied. Secondly, the aerostatic loads of the aircraft were calculated. Both conventional and chiral morphed ribs’ behaviors under flight loads were examined using the FEM and results were compared. The weight difference was calculated. In addition, eigenfrequency and eigenvectors of traditional and chiral ribs were computed and transverse vibration frequencies were expressed. Despite being more than 50 % lighter, chiral morphed rib was found to be stiffer than conventional rib.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"7 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136229432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract This study employs a high-energy-density gas tungsten arc welding (GTAW) process to fabricate a surface coating on a substrate of 0.15 percent carbon steel, incorporating powders of FeCr, FeMn, FeB, and graphite. The investigation encompasses a multifaceted approach, utilizing X-ray diffraction (XRD), optical micrograph (OM) analysis, energy-dispersive X-ray analysis (EDS), scanning electron microscopy (SEM) imaging, microhardness testing, and adhesive wear testing, with the aim of examining the composite coating’s microstructural attributes, microhardness, and performance under dry-sliding wear conditions. The research findings reveal the formation of diverse carbides and borides, including Mn 5 C 2 , Fe 3 C, B 8 C, B 4 C, Fe 3 B, Fe 7 C 3 , FeB, and MnB on the coated surfaces. Notably, the graphite particles within the FeB–FeMn–FeCr–C composite TIG welding coatings exhibit a range of morphologies, varying from sheet-like to dendritic structures.
{"title":"Adhesive wear behavior and microstructure of FeCr–FeMn–FeB–C coatings","authors":"Mehmet Yaz","doi":"10.1515/mt-2023-0347","DOIUrl":"https://doi.org/10.1515/mt-2023-0347","url":null,"abstract":"Abstract This study employs a high-energy-density gas tungsten arc welding (GTAW) process to fabricate a surface coating on a substrate of 0.15 percent carbon steel, incorporating powders of FeCr, FeMn, FeB, and graphite. The investigation encompasses a multifaceted approach, utilizing X-ray diffraction (XRD), optical micrograph (OM) analysis, energy-dispersive X-ray analysis (EDS), scanning electron microscopy (SEM) imaging, microhardness testing, and adhesive wear testing, with the aim of examining the composite coating’s microstructural attributes, microhardness, and performance under dry-sliding wear conditions. The research findings reveal the formation of diverse carbides and borides, including Mn 5 C 2 , Fe 3 C, B 8 C, B 4 C, Fe 3 B, Fe 7 C 3 , FeB, and MnB on the coated surfaces. Notably, the graphite particles within the FeB–FeMn–FeCr–C composite TIG welding coatings exhibit a range of morphologies, varying from sheet-like to dendritic structures.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"153 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135775923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aysu Hande Yucel, Alpay Yilmaz, Mustafa Bakkal, Ali Taner Kuzu
Abstract In this study, the effects of nitrocarburizing, QPQ, and Cr coating on the surface properties of 32CrMoV12-10 gun barrels are discussed. Hardness measurements, pin-on-disc tests, and anodic polarization tests were performed to examine the hardness values, wear resistance, friction coefficient, and corrosion resistance. The hardness of the specimen treated with QPQ was found to be the highest. Comparing the hardness profiles, it was observed that the casing depth of the nitrocarburized sample was shallower than that of the QPQ-treated sample. The pin-on-disc test revealed that the nitrocarburized sample exhibited a high coefficient of friction, while the Cr-coated sample showed the lowest coefficient of friction. Analyzing the Tafel polarization curve, it was determined that the nitrocarburized and QPQ-treated specimens demonstrated similar levels of corrosion resistance. However, it can be noted that the QPQ-treated specimen had a slightly lower corrosion rate.
{"title":"Tribo-corrosion behavior of electroplating, nitrocarburizing, and QPQ processes on barrel finishing","authors":"Aysu Hande Yucel, Alpay Yilmaz, Mustafa Bakkal, Ali Taner Kuzu","doi":"10.1515/mt-2023-0056","DOIUrl":"https://doi.org/10.1515/mt-2023-0056","url":null,"abstract":"Abstract In this study, the effects of nitrocarburizing, QPQ, and Cr coating on the surface properties of 32CrMoV12-10 gun barrels are discussed. Hardness measurements, pin-on-disc tests, and anodic polarization tests were performed to examine the hardness values, wear resistance, friction coefficient, and corrosion resistance. The hardness of the specimen treated with QPQ was found to be the highest. Comparing the hardness profiles, it was observed that the casing depth of the nitrocarburized sample was shallower than that of the QPQ-treated sample. The pin-on-disc test revealed that the nitrocarburized sample exhibited a high coefficient of friction, while the Cr-coated sample showed the lowest coefficient of friction. Analyzing the Tafel polarization curve, it was determined that the nitrocarburized and QPQ-treated specimens demonstrated similar levels of corrosion resistance. However, it can be noted that the QPQ-treated specimen had a slightly lower corrosion rate.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135666712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mehmet Umut Erdaş, Mehmet Kopar, Betül Sultan Yildiz, Ali Riza Yildiz
Abstract Nature-inspired metaheuristic algorithms are gaining popularity with their easy applicability and ability to avoid local optimum points, and they are spreading to wide application areas. Meta-heuristic optimization algorithms are used to achieve an optimum design in engineering problems aiming to obtain lightweight designs. In this article, structural optimization methods are used in the process of achieving the optimum design of a seat bracket. As a result of topology optimization, a new concept design of the bracket was created and used in shape optimization. In the shape optimization, the mass and stress values obtained depending on the variables, constraint, and objective functions were created by using artificial neural networks. The optimization problem based on mass minimization is solved by applying the dandelion optimization algorithm and verified by finite element analysis.
{"title":"Optimum design of a seat bracket using artificial neural networks and dandelion optimization algorithm","authors":"Mehmet Umut Erdaş, Mehmet Kopar, Betül Sultan Yildiz, Ali Riza Yildiz","doi":"10.1515/mt-2023-0201","DOIUrl":"https://doi.org/10.1515/mt-2023-0201","url":null,"abstract":"Abstract Nature-inspired metaheuristic algorithms are gaining popularity with their easy applicability and ability to avoid local optimum points, and they are spreading to wide application areas. Meta-heuristic optimization algorithms are used to achieve an optimum design in engineering problems aiming to obtain lightweight designs. In this article, structural optimization methods are used in the process of achieving the optimum design of a seat bracket. As a result of topology optimization, a new concept design of the bracket was created and used in shape optimization. In the shape optimization, the mass and stress values obtained depending on the variables, constraint, and objective functions were created by using artificial neural networks. The optimization problem based on mass minimization is solved by applying the dandelion optimization algorithm and verified by finite element analysis.","PeriodicalId":18231,"journal":{"name":"Materials Testing","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135854966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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