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Effect of united refining and modification on mechanical properties of A356 aluminium alloys ZUO Xiu-rong(左秀荣), ZHONG Zhi-guo(仲志国) Key Laboratory of Material Physics, Ministry of Education..., B, RE and Sr additions obtain the best mechanical properties in T6 treatment. Key words: A356 aluminium alloys; grain-refining aluminium alloys (GRAI); modification; refining; mechanical properties......
Effect of homogenization treatment on microstructure and hot workability of high strength 7B04 aluminium alloy WANG Tao(王 涛)1, 2, YIN Zhi-min(尹志民)1, SUN Qiang(孙 强)2 1. School of Materials Science... treatment on microstructure, overburnt temperature and hot rolling plasticity of high strength 7B04 aluminium alloy were investigated. Under the condition of homogenization at 470 ℃, the starting melting......
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Conception of tooling adapted to thixoforging of high solid fraction hot-crack-sensitive aluminium alloys G. VANEETVELD1, A. RASSILI1, J. C. PIERRET1, J. LECOMTE-BECKERS2 1. Thixo Unit, B56... aluminium alloys at high solid fraction by modifying process parameters like forming speed, tool temperature and tool thermal protector. Thus an optimum in terms of thermal exchanges has to be found......
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J. Cent. South Univ. Technol. (2008) 15: 1-5 DOI: 10.1007/s11771-008-0001-3 Prediction of grain size for large-sized aluminium alloy 7050 forging during hot forming YI You-ping(易幼...; Abstract:A numerical approach for process optimization and microstructure evolution of lager-sized forging of aluminium alloy 7050 was proposed......
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J. Cent. South Univ. (2019) 26: 2930-2942 DOI: https://doi.org/10.1007/s11771-019-4225-1 Modified constitutive model and workability of 7055 aluminium alloy in hot plastic compression ZHANG Tao(张涛... 2019 Abstract: To obtain flow behavior and workability of 7055 aluminium alloy during hot deformation, hot compression tests at different temperatures and strain rates are conducted. True stress......
SiC WHISKER-TOUGHENED ALUMINIUM NITRIDE CERAMICS李凝芳摘 要:<正> Aluminium nitride ceramics containing 15-30 w/o of SiC whiskers can be sintered tofull density(by hot pressing at 1800℃)using2-3 w/o of Y2O3 additions.The whiskersincrease the toughness and strength of thecomposite,KICincreasing from 2.8 to about5.0 and flexural strength increasing......