铝合金中溶质原子团簇强韧化及其应用的研究进展
Research Progress on Solute Atom Cluster Strengthening and Toughening in Aluminum Alloys and Its Application
摘 要
溶质原子团簇是指合金中几个到几十个溶质原子的无序聚集。作为时效析出序列的重要一环,溶质原子团簇不仅可以通过调控铝合金时效析出行为而改善显微组织,而且可以有效地改善合金的力学性能。对铝合金中溶质原子团簇的表征方法、强韧化调控机制及其在铝合金中的典型应用等几个方面进行了综述,对溶质原子团簇未来的研究方向进行了展望。
铝合金
强韧化
显微组织
solute atom cluster
aluminum alloy
strengthening and toughening
microstructure
Abstract
Solute atomic clusters are disordered agglomeration of a few to dozens of solute atoms in an alloy. As an important part of aging precipitation sequence, solute atomic clusters can not only regulate aging precipitation behavior of aluminum alloys to improve the microstructure, but also effectively improve the mechanical properties of the alloy. The characterization methods of solute atomic clusters in aluminum alloys, the regulation mechanism of strengthening and toughening, and their typical applications in aluminum alloys are reviewed. The future research direction of solute atomic clusters is prospected.
中图分类号 TG146.21 DOI 10.11973/jxgccl202305013
所属栏目 专题报道（金属材料强韧均衡）
基金项目 国家自然科学基金资助项目(52071253,51790482,52001249,52271115);高等学校学科创新引智计划项目(BP0618008)
收稿日期 2023/1/13
修改稿日期 2023/3/30
网络出版日期
作者单位点击查看
备注杨冲(1982-),男,陕西西安人,副教授,博士
引用该论文: YANG Chong,LIU Gang,XUE Hang,ZHANG Peng,ZHANG Jinyu,SUN Jun. Research Progress on Solute Atom Cluster Strengthening and Toughening in Aluminum Alloys and Its Application[J]. Materials for mechancial engineering, 2023, 47(5): 84～93
杨冲,刘刚,薛航,张鹏,张金钰,孙军. 铝合金中溶质原子团簇强韧化及其应用的研究进展[J]. 机械工程材料, 2023, 47(5): 84～93
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【34】HU R, JIN S B, SHA G.Application of atom probe tomography in understanding high entropy alloys:3D local chemical compositions in atomic scale analysis[J].Progress in Materials Science,2022,123:100854.
【35】CHEN B A, LIU G, WANG R H, et al.Effect of interfacial solute segregation on ductile fracture of Al-Cu-Sc alloys[J].Acta Materialia,2013,61(5):1676-1690.
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