H. J. Alhejazi, D. M. Maijer, S. Avraham, A. B. Phillion
{"title":"Numerical-Experimental Assessment of the Semi-Solid Contraction Behavior of Grain-Refined High Strength Aluminum Alloy, B206","authors":"H. J. Alhejazi, D. M. Maijer, S. Avraham, A. B. Phillion","doi":"10.1007/s11661-024-07481-x","DOIUrl":null,"url":null,"abstract":"<p>\nAl–5Ti–1B master alloy has been used to refine the microstructure of a commercial high-strength aluminum alloy (B206). The effects of grain refinement and mold preheat on the semi-solid contraction behavior were investigated. A coupled thermal-stress model combined with displacements measured during solidification was utilized to determine the semi-solid contraction coefficients (SSCC). The simulation results show that Al5TiB additions and preheating the mold significantly reduced SSCC values and limited the semi-solid contraction of B206 alloy.</p>","PeriodicalId":18504,"journal":{"name":"Metallurgical and Materials Transactions A","volume":"64 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallurgical and Materials Transactions A","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s11661-024-07481-x","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Al–5Ti–1B master alloy has been used to refine the microstructure of a commercial high-strength aluminum alloy (B206). The effects of grain refinement and mold preheat on the semi-solid contraction behavior were investigated. A coupled thermal-stress model combined with displacements measured during solidification was utilized to determine the semi-solid contraction coefficients (SSCC). The simulation results show that Al5TiB additions and preheating the mold significantly reduced SSCC values and limited the semi-solid contraction of B206 alloy.
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