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℃ to fabricate the Al2O3/Al-Si composit. Al-Si alloy with the composition of 2.6%Cu, 10.4%Si and rest Al (mass fraction, %) was supplied as the matrix metal. The raw material of reinforcement was NH4AlO(OH)HCO3...: (a) Al-Si alloy matrix; (b) Composite by adding AACH; (c) Composite by adding γ-Al2O3 A differential thermal analysis (DTA) was carried out to confirm the onset temperature of the reactions of AACH......
: Effects of the volume fraction and the size of crystallized alumina silicate short fibers as well as heat treatment processes on micro-yield strength(MYS) of Al2O3-SiO2(sf)/Al-Si metal matrix composite... of MMC decreases with the increase of volume fraction and length of the alumina silicate short fibers in the metal matrix composite, respectively. MYS of quenched Al2O3-SiO2(sf)/Al-Si MMC......
Simulation of local effect of reinforcement on temperature field during solidification of aluminum metal matrix composite FU Yu-bi(傅宇碧), ZHANG Xue-xi(张学习), WANG De-zun(王德尊) School of Materials... of a Mg(AZ91)/SiCp composite[J]. Scripta Metallurica et Materialia, 1994, 31(9): 1253-1258. [8] DAS S, PRASAD S V, RAMACHANDRAN T R, ROHATGI P K. Microstructures of cast AL-Si alloys in the presence......
Effect of particle size on mechanical properties of SiCp/5210 Al metal matrix composite YU Xiao-dong(于晓东), WANG Yang-wei(王扬卫), WANG Fu-chi(王富耻) School of Materials... and fracture toughness of 10 μm SiCp/5210 Al metal matrix composite are 825 MPa, 10.0 MPa?m1/2, and the fracture toughness of 63 μm SiCp/5210 Al metal matrix composite reaches 12.8 MPa·m1/2. The main fracture......
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......
fracture surface of Al-Si MMCs with Pr addition presents ductile fracture features. Key words: Al-Si alloy; rare earth; metal matrix composites; microstructure; tensile properties ... for Al-based PM [J]. Metal Powder Report, 2000, 55(5): 28-36. [2] LIU Guan-jun, LI Wen-fang, PENG Ji-hua, DU Jun. Micro-yield behavior of Al2O3-SiO2(sf)/Al-Si metal matrix composites [J]. Trans......
Damage analysis for particle reinforced metal matrix composite by ultrasonic method YANG Zhi-guo(杨治国), LONG Shi-guo(龙士国) Key Laboratory for Advanced Materials and Rheological Properties... of particle reinforced metal matrix composite (PMMC) was studied by ultrasonic non-destructive evaluation method. After the sample was damaged induced by tensile load, the ultrasonic wave that propagated......
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is composed of a hyper-eutectic Pb-Sn alloy and a hypo-eutectic Pb-Sn alloy (Pb-22%Sn and Sn-15%Pb); the other system is composed of an hyper-eutectic aluminum alloy and a metal matrix composite (Al-7%Si... 014046, China Received 13 May 2010; accepted 25 June 2010 Abstract: Two kinds of bi-metal composite parts (Sn-15%Pb and Pb-22%Sn bi-metal system, and Al-7%Si and SiCp/6061 MMC bi-metal system) were......
of the refined Si phases and the supersaturated Al matrix. The effect of annealing on improving the compactibility of Al-Si alloy powder was studied. The densification was investigated by the HECKEL... matrix, precipitation of supersaturated Si phases, dissolution of needle-like eutectic phase, and spheroidization of Si phases. Key words: powder compaction; gas atomization; Al-Si alloy; annealing......
