{"title":"Forming mechanics of a twin-roll cast AA1100/409L clad sheet after annealing and cold rolling","authors":"Gang Chen, Zonghua Wang, Yuanxin Wang","doi":"10.2140/jomms.2024.19.251","DOIUrl":null,"url":null,"abstract":"<p>Forming mechanics of a twin-roll cast AA1100/409L clad sheet after annealing and cold rolling was investigated by tensile and three-point bending tests. The effect of mechanical properties of the base metals and bonding strength on the strength and ductility of the clad sheet was investigated based on the mixed rule. The clad sheet’s strength obeys the mixed rule only when the bonding strength is as high as 15 N/mm. The negative correlation between strength and ductility and the synergistic effect also exist in the TRC SS/Al clad sheet only when the bonding strength is as high as 15 N/mm. Because of the too small thickness and much higher strength of the steel layer than that of the Al layer, tensile stress dominates during bending of the TRC clad sheet. The deformation and failure process of the clad sheet was analyzed and the processing route for a better formability was proposed. </p>","PeriodicalId":50134,"journal":{"name":"Journal of Mechanics of Materials and Structures","volume":null,"pages":null},"PeriodicalIF":0.9000,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Mechanics of Materials and Structures","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.2140/jomms.2024.19.251","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
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Abstract
Forming mechanics of a twin-roll cast AA1100/409L clad sheet after annealing and cold rolling was investigated by tensile and three-point bending tests. The effect of mechanical properties of the base metals and bonding strength on the strength and ductility of the clad sheet was investigated based on the mixed rule. The clad sheet’s strength obeys the mixed rule only when the bonding strength is as high as 15 N/mm. The negative correlation between strength and ductility and the synergistic effect also exist in the TRC SS/Al clad sheet only when the bonding strength is as high as 15 N/mm. Because of the too small thickness and much higher strength of the steel layer than that of the Al layer, tensile stress dominates during bending of the TRC clad sheet. The deformation and failure process of the clad sheet was analyzed and the processing route for a better formability was proposed.
期刊介绍：
Drawing from all areas of engineering, materials, and biology, the mechanics of solids, materials, and structures is experiencing considerable growth in directions not anticipated a few years ago, which involve the development of new technology requiring multidisciplinary simulation. The journal stimulates this growth by emphasizing fundamental advances that are relevant in dealing with problems of all length scales. Of growing interest are the multiscale problems with an interaction between small and large scale phenomena.
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