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合金；初生硅；半固态成形；近液相线半连续铸造 中图分类号:TG146；TG113 文献标志码:A Forming mechanism of primary Si of A390 alloy during near-liquidus semi-continuous casting WANG Na, ZHOU Zhi-min (School of Sciences, Northeastern University, Shenyang 110004, China) Abstract: The A390 alloy billets were prepared using the near-liquidus semi-continuous casting technology. The microstructures of billets......
Trans. Nonferrous Met. Soc. China 20(2010) s754-s757 Microstructure and mechanical properties of rheo-diecasted A390 alloy ZHAO Jun-wen(赵君文)1, WU Shu-sen (吴树森)2 1. School of Materials... and Technology, Wuhan 430074, China Received 13 May 2010; accepted 25 June 2010 Abstract: The microstructure and mechanical properties of the rheo-diecasting (RDC) A390 alloy under as-cast and T6 heat......
to slurry with a large capability to use all possible material sources (primary, secondary, selected process and recycle scraps)[10-12]. However, semi solid processing of hypereutectic A390 alloy... the crucible. Fig.1 Schematic of apparatus used in novel rheoprocessing method Fig.2 Illustration of steps involved in process A commercial A390 alloy was used to produce the semi solid material......
Trans. Nonferrous Met. Soc. China 27(2017) 2529-2538 Characterization of A390 aluminum alloy produced at different slow shot speeds using vacuum assisted high pressure die casting Wen-bo YU1,2, Zi... properties of high pressure die cast A390 alloy at different slow shot speeds were evaluated. Plate-shaped specimens of hypereutectic A390 aluminum alloy were produced on a TOYO BD-350V5 cold chamber die......
graded components that has been developed in recent years. The functionally graded cylindrical shape component with a radial gradient, e.g. the first alloy (A390) with high wear resistance on the surface... was obtained at 860 °C and 35 s decanting time with a width of 500 μm. Also, the wear resistance test was performed to measure and compare the surface wear resistance to the core. Key words: A390 alloy......
Transformation of microstructure after modification of A390 alloy ZHANG Ying(张英)1, 2, YI Dan-qing(易丹青)1, LI Wang-xing(李旺兴)2, REN Zhi-sen(任智森)2, ZHAO Qun(赵群)2, ZHANG Jun-hong(张俊红)2 1. School...> Abstract: A hypereutectic aluminum-silicon alloy with content of 17%Si, designed as A390, was modified. The change of microstructure was identified by optical microscopy......
Effect of rheo-diecast process on the mechanical properties of A390 alloy by serpentine channelKunhyok Ri1,2,Wei-min Mao1,Zhi-kai Zheng1,Myongsik Kim2,Yongho Sin21. School of Materials Science... of rheo-diecast process parameters and T6 heat treatment on the microstructure and mechanical properties of the rheo-diecasting(RDC) semi-solid A390 alloy prepared through pure copper serpentine channel......
Trans. Nonferrous Met. Soc. China 29(2019) 931-940 Effect of ECAP on microstructure and tensile properties of A390 aluminum alloy Esmaeil DAMAVANDI, Salman NOUROUZI, Sayed Mahmood RABIEE, Roohollah... of the present research is to determine the tensile strength and elongation of the A390 alloy processed by ECAP and to reveal the relationship between the microstructure and tensile properties. Optical......
时效处理对A390挤压态合金组织及性能的影响李史星,苗艳伟洛阳麦达斯铝业有限公司摘 要:文章主要研究时效处理对A390合金组织,硬度等力学性能的影响,以便最终提高材料的硬度等力学性能.关键词:A390合金;时效处理;显微组织;布氏硬度;力学性能;......
铸造工艺参数对半连续铸造A390合金管坯宏微观组织的影响左克生,张海涛,秦克,崔建忠东北大学材料电磁过程研究教育部重点实验室摘 要:采用半连续铸造方法制备了A390合金管坯.研究了铸造速度和铸造温度对A390合金管坯宏微观组织的影响.结果表明:随着铸造速度由90 mm/min提升至120 mm/min,铸造温度由800℃增加至850℃,管坯中初生Si宏观分布趋于均匀,初生Si颗粒的平均尺寸逐渐减小.截面尺寸为164 mm/60 mm的半连续铸造A390合金管坯的最佳铸造工艺参数为:铸造速度110 mm/min,铸造温度850℃,可以获得初生Si宏观分布均匀,初生Si颗粒平均尺寸不超过26μm的管坯,管坯内侧的抗拉强度为264 MPa,延伸率为0.5%.关键词:A390合金;初生Si......
