{"title":"异种航空合金AA2014和AA7075搅拌摩擦焊接工艺参数建模与优化","authors":"R. Kumar, V. Upadhyay, C. Sharma","doi":"10.30765/er.1778","DOIUrl":null,"url":null,"abstract":"Aluminum alloys possess a high strength-to-weight ratio and good corrosion resistance making them suitable for various structural parts and components used in the aerospace industry. However, the principal barrier restricting their use is their weldability. This experimental study addresses the issues in joining of dissimilar aerospace aluminum alloys. In this work, friction stir welding (FSW) of dissimilar high strength alloys AA2014 and AA7075 has been carried out and the effect of welding parameters has been studied to obtain defect-free high strength welds. Detailed statistical analysis was performed and suitable regression models were developed for prediction and optimization. Multi-objective optimization has been carried out by employing the desirability function to determine the optimal condition for defect-free welds with adequate mechanical properties. Microstructure and fracture surface of the optimum weld was also studied and compared with the lowest and highest heat input welded joints.","PeriodicalId":44022,"journal":{"name":"Engineering Review","volume":null,"pages":null},"PeriodicalIF":0.7000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Modeling and optimization of process parameters for friction stir welding of dissimilar aerospace alloys AA2014 and AA7075\",\"authors\":\"R. Kumar, V. Upadhyay, C. Sharma\",\"doi\":\"10.30765/er.1778\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Aluminum alloys possess a high strength-to-weight ratio and good corrosion resistance making them suitable for various structural parts and components used in the aerospace industry. However, the principal barrier restricting their use is their weldability. This experimental study addresses the issues in joining of dissimilar aerospace aluminum alloys. In this work, friction stir welding (FSW) of dissimilar high strength alloys AA2014 and AA7075 has been carried out and the effect of welding parameters has been studied to obtain defect-free high strength welds. Detailed statistical analysis was performed and suitable regression models were developed for prediction and optimization. Multi-objective optimization has been carried out by employing the desirability function to determine the optimal condition for defect-free welds with adequate mechanical properties. Microstructure and fracture surface of the optimum weld was also studied and compared with the lowest and highest heat input welded joints.\",\"PeriodicalId\":44022,\"journal\":{\"name\":\"Engineering Review\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.7000,\"publicationDate\":\"2022-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Engineering Review\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.30765/er.1778\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENGINEERING, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Engineering Review","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.30765/er.1778","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, MULTIDISCIPLINARY","Score":null,"Total":0}
Modeling and optimization of process parameters for friction stir welding of dissimilar aerospace alloys AA2014 and AA7075
Aluminum alloys possess a high strength-to-weight ratio and good corrosion resistance making them suitable for various structural parts and components used in the aerospace industry. However, the principal barrier restricting their use is their weldability. This experimental study addresses the issues in joining of dissimilar aerospace aluminum alloys. In this work, friction stir welding (FSW) of dissimilar high strength alloys AA2014 and AA7075 has been carried out and the effect of welding parameters has been studied to obtain defect-free high strength welds. Detailed statistical analysis was performed and suitable regression models were developed for prediction and optimization. Multi-objective optimization has been carried out by employing the desirability function to determine the optimal condition for defect-free welds with adequate mechanical properties. Microstructure and fracture surface of the optimum weld was also studied and compared with the lowest and highest heat input welded joints.
期刊介绍:
Engineering Review is an international journal designed to foster the exchange of ideas and transfer of knowledge between scientists and engineers involved in various engineering sciences that deal with investigations related to design, materials, technology, maintenance and manufacturing processes. It is not limited to the specific details of science and engineering but is instead devoted to a very wide range of subfields in the engineering sciences. It provides an appropriate resort for publishing the papers covering prior applications – based on the research topics comprising the entire engineering spectrum. Topics of particular interest thus include: mechanical engineering, naval architecture and marine engineering, fundamental engineering sciences, electrical engineering, computer sciences and civil engineering. Manuscripts addressing other issues may also be considered if they relate to engineering oriented subjects. The contributions, which may be analytical, numerical or experimental, should be of significance to the progress of mentioned topics. Papers that are merely illustrations of established principles or procedures generally will not be accepted. Occasionally, the magazine is ready to publish high-quality-selected papers from the conference after being renovated, expanded and written in accordance with the rules of the magazine. The high standard of excellence for any of published papers will be ensured by peer-review procedure. The journal takes into consideration only original scientific papers.