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was proposed. The predicted results are in good agreement with the actual experimental results and reveal the strengthening mechanisms of the Al-(1.44-12.40)Si-0.7Mg alloy sheets under the T4 condition and how they are influenced by the Si content. Key words: wrought Al-(1.44-12.40)Si-0.7Mg alloy sheets; T4 condition; Si content; yield strength prediction; strengthening mechanism 1 Introduction The Al-Si......
Comparison study on the annealing behaviors of dispersion strengthened copper alloys with different nanoparticlesGUO Mingxing,WANG Mingpu,LEI Ruoshan,TAN Wang,and JIN Peng School of Materials Science... (TEM) microstruc-ture observation on the annealing behaviors of Cu-Al2O3 (2.25 vol.% and 0.54 vol.% Al2O3) and Cu-0.52vol.%Nb alloys were carried out. The results show that with the increase of annealing......
Effect of Holding Time on the Microstructure and Mechanical Properties of Dual-Phase Steel during Intercritical Annealing李壮1,WU Di2,Lü Wei3,YU Huanhuan1,SHAO Zhenyao1,LUO Lei11. College of Materials...="ChDivSummary" name="ChDivSummary">Continuous annealing simulation tests were conducted by using a continuous annealing thermomechanical simulator. Holding times of 5, 60, 180, and 480 seconds......
Aging Strengthening in Rapidly Solidified Cu-Cr-Sn- Zn AlloyJuanhua Su, Fengzhang Ren, Baohong Tian, Pin Liu and Qiming Dong College of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China摘 要:It is known that the strength of alloys can be successfully improved by rapid solidification. The paper presents......
mechanisms of the severely plastically deformed alloy before and after annealing were identified,and each strengthening mechanism contribution was estimated.The calculated results matched well...Microstructure tailoring of Al0.5CoCrFeMnNi to achieve high strength and high uniform strain using severe plastic deformation and an annealing treatmentH.T.Jeong,W.J.KimDepartment of Materials......
HEAT TREATMENT STRENGTHENING EFFECTS OF RARE EARTHS ON Mg-9Al ALLOY Y.S.Wang1,W.J.Ding2,Q.D.Wang2,J.Z.Yu1 (1.Shanghai Cosmopolitan Automobile Accessory Co. LTD, Shanghai 200083, China;2.School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China) Abstract:Mg-9Al-xRE magnesium alloys were studied, where x is 0, 0.4, 0.8, 1.2 and 1.6% (inweight percent, wt......
Oxidation-induced strengthening behavior of reaction formed Al4SiC4 ceramicsHUANG Xiaoxiao1,2),WEN Guangwu1,3),LIU Ruitang2),and ZHENG Xin1)1) School of Materials Science and Technology,Harbin Institute of Technology,Harbin 150001,China 2) School of Material Science and Chemical Engineering,Harbin Engineering University,Harbin 150001,China 3) School of Materials Science and Technology,Harbin......
Strengthening and toughening forming of Al/Al2O3 composite in pseudo-semi-solid stateYuansheng CHENG and Shoujing LUO School of Materials Science & Engineering,Harbin Institute of Technology,Harbin 150001,China摘 要:A new technology thixo-die-forging of the composite in pseudo-semi-solid state was proposed based on the powder metallurgy technology......
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... CoCrFeNi HEA are produced by cold-rolling,followed by intermediate-temperature-annealing at 650℃.For L12 ordering,the initial granular structure has transformed into lamella structure and then kept......
Notch Effect of Materials: Strengthening or Weakening?Ruitao Qu,Peng Zhang,Zhefeng ZhangShenyang National Laboratory for Materials Science, Institute of Metal Research,Chinese Academy of Sciences摘 要:Notch is a very important geometry with widespread applications in engineering structural components. Finding a universal equation to predict the effect......