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AN IN SITU SURFACE COMPOSITE AND GRADIENT MATERIALOF Al-Si ALLOY PRODUCED BY ELECTROMAGNETIC FORCE T.X.Li1,Z.L.Zhu1,Y.H.Zhou1,Z.M.Xu1 (1.School of Materials Science and Engineering, Shanghai Jiao... 40μm to 100μm. The wear resistance of Al-Si alloy gradient material can be more greatly increased than that of their matrix material.`` Key words:Al-Si alloy; electromagnetic force; in situ surface......
0.45 is required to attain full modification of the eutectic silicon. Key words: Al-Si alloy; bismuth; strontium; modification; eutectic solidification 1 Introduction Melt modification treatment in Al... A, SUZUKI Y. The role of trace element segregation in the eutectic modi?cation of hypoeutectic Al-Si alloys [J]. J Alloys Compd, 2010, 489: 415-420. [4] LU L, DAHLE A K. Effects of combined additions of Sr......
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overheating temperature, the shape of primary silicon becomes the starshape and tree shape. Key words: primary silicon; crystal growth; Al Si alloy 过共晶Al- Si合金是一种重要的铸造... on solidification microstructures and wear resistance of hypereutectic Al Si alloy[J].The Chi-nese Journal of Nonferrous Metals, 2001, 11( 5): 827 - 832. [3] 毛卫民,李树素,赵爱民,等,电磁搅拌对AF24% Si 合金凝固组织的影响[J].中国有色金属学报......
效. 关键词: 碳膜; Al-Si合金; 干式切削; 减摩; 润湿性 中图分类号: TG501; TH117 文献标识码: A Machinability and anti-adhesive wear performance of carbon coated tools in drilling of Al-Si alloy BAI Li-jing1, 2, ZHU Xiao-dong1...: carbon coating; Al-Si alloy; dry cutting; low wear rate; wettability Al-Si合金是现代工业用途最广的轻金属材料之一, 其密度大约为钢的1/3, 可以有效地减小系统内高速运动部件的自身质量, 提高系统运行速度, 同时Al-Si合金导热性好, 易成型, 适用于制造各种复杂的零部件[1, 2]. 特别是汽车行业, 预计到......
of China, Taiyuan 030051, China Received 10 April 2006; accepted 25 April 2006 Abstract: The numerical simulation for microstructure evolution of Al-Si alloy in solidification process is carried out... words: phase field model; numerical simulation; microstructure evolution; dendrite morphology; Al-Si alloy 1 Introduction Early in 1966, OLDFIELD[1] proposed that the heat source term in heat......
hypereutectic Al-Si alloy slurry ZHAO Jun-wen, WU Shu-sen, MAO You-wu, AN Ping (State Key Laboratory of Material Processing and Die and Mould Technology, Huazhong University of Science and Technology, Wuhan... refinement result. Key words: Al-Si alloy; ultrasonic vibration; hypereutectic; semisolid slurry; rest-work ratio  ......
S. Hardness control of Al-Si HPDC casting alloy via microstructure refinement and tempering parameters[J]. Materials & Design, 2016, 103: 365-376. [2] JAVIDANI M, LAROUCHE D. Application of cast... alloy[D]. Chongqing: Chongqing University, 2010: 1-2. [7] 蒋 伟, 胡恺琪, 朱向镇,武玉英,刘相法. Al-Si合金力学行为对Si相形貌敏感性的差异[J]. 中国有色金属学报, 2017, 27(1): 15-23. JIANG Wei, HU Kai-qi, ZHU Xiang-zhen, WU Yu-ying, LIU Xiang-fa......
. Research on semi-solid slurry of a hypoeutectic Al-Si alloy prepared by low superheat pouring and weak electromagnetic stirring[J]. Rare Metals 2006, 25(2): 177. [10] JUNG B I, JUN C H, HAN T K, KIM Y H... July 2006; accepted 15 September 2006 Abstract: Hypereutectic Al-Si alloy tubes were produced by centrifugal casting process using an electromagnetic field (EMF). A gradient distribution......