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Modeling of whole process of ageing precipitation and strengthening in Al-Cu-Mg-Ag alloys with high Cu-to-Mg mass ratio HOU Yan-hui(侯延辉)1, 2, 3, GU Yan-xia(谷艳霞)1, 2, LIU Zhi-yi (刘志义)1, 2, LI Yun... are generally in good agreement with the experimental data. Key words: ageing; precipitation; modeling; microstructure; thermodynamics; strengthening  ......
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Effects of precipitation strengthening heat treatment for Al-Mg alloy Seong-Jong KIM1, Seok-Ki JANG1, Min-Su HAN1, Seong-Kwon KIM2, Jong-Sin KIM3 1. Division of Marine System Engineering, Mokpo... and artificial aging treatment were established in order to optimize precipitation strengthening conditions intended to enhance the strength of Al alloys. Slow strain rate tests (SSRT) at various......
Effect of large cold deformation after solution treatment on precipitation characteristic and deformation strengthening of 2024 and 7A04 aluminum alloys NING Ai-lin(宁爱林)1, 2, LIU Zhi-yi(刘志义)1.... Key words: aluminum alloy; aging precipitation; strengthening; cold deformation 1 Introduction Studies on thermomechanical treatment of aluminum alloy can date from the 1960s[1,2]. A great deal......
Nanophase precipitation and strengthening in a dual-phase Al0.5CoCrFeNi high-entropy alloyHaoxue Yang,Jinshan Li,Xiangyu Pan,William Yi Wang,Hongchao Kou,Jun WangState Key Laboratory of Solidification Processing, Northwestern Polytechnical University摘 要:Precipitation-hardening in fcc-based high-entro py alloys(HEAs) have usually been realized......
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%, the contribution to the yield strength of Ti micro alloyed steel can reach about 92.44 MPa. Key words: precipitation strengthening; solid solubility; Ti(C, N); yield strength; high strength steel 1 Introduction Micro alloying elements such as Nb, V and Ti, can generate fine grain strengthening and precipitation strengthening for the steels [1–5]. Among these micro alloying elements, Ti micro......
Strengthening effect of Cu-rich phase precipitation in 18Cr9Ni3CuNbN austenitic heat-resisting steelChengyu CHI 1) , Hongyao YU 1) , Jianxin DONG 1) , Xishan XIE 1) , Zhengqiang CUI 2) , Xiaofang... precipitates at grain boundaries are the main precipitation strengthening phases in this steel. Among them Cu-rich phase is the most important strengthening phase. Homogeneous distribution of very......
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