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Modeling of shear induced coarsening effects in semi-solid alloys M. MODIGELL1, A. POLA2 1. AVT, Chair of Mechanical Process Engineering, RWTH Aachen University, Turmstr. 46, D 52056 Aachen... rheological shear experiments with semi-solid alloys, coarsening of the particles will falsify the interpretation of the experimental results. The coarsening is intensified by the shear induced......
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Semi-solid processing of hypereutectic A390 alloys using novel rheoforming process M. TEBIB1, J. B. MORIN1, F. AJERSCH2, X. GRANT CHEN1 1. Université du Québec à Chicoutimi, Chicoutimi, QC, G7H... structure to facilitate semi solid processing. The results show that the combination of the SEED process with two additional processing steps can produce semi-solid A390 alloys that can be rheoprocessed......
the kind supports. References [1] GUO Hong-min, YANG Xiang-jie, WANG Jia-xuan. Pressurized solidification of semi-solid aluminium die casting alloy A356 [J]. Journal of Alloys and Compounds, 2009, 485... to semi-solid forming [C]//The 8th International Conference on Semi-Solid Processing of Alloys and Composites. Limassol: Cyprus, 2004. [5] MIRZADEH H, NIROUMAND B. Fluidity of Al-Si semi-solid slurries......
Article ID: 1003-6326(2005)05-1125-05 Effect of deformation temperature and strain rate on semi-solid deformation behavior of spray-formed Al-70%Si alloys ZHANG Di(张 迪)1, YANG Bin(杨 滨)1.... General Research Institute for Nonferrous Metals, Beijing 100088, China) Abstract: Spray-formed Al-70%Si(mass fraction) alloys were deformed by compression in the semi-solid state. The effects......
Deformation mechanism and forming properties of 6061Al alloys during compression in semi-solid state SHANG Shu-zhen(尚淑珍)1, LU Gui-min(路贵民)1, TANG Xiao-ling(唐小玲)1, ZHAO Zu-xin(赵祖欣)1, WU Cheng-ming... with the deformation degree of 70%. The microstructures during the deformation process were characterized. The deformation mechanism and thixo-forming properties of the semi-solid alloys were analyzed......
, the GISS process can give improved properties such as decreased porosity and increased microstructure uniformity. Key words: ADC12 aluminum alloys; semi-solid die casting; gas induced semi-solid (GISS... in the semi-solid die casting with a rheocasting process[7-12]. However, most work have used the A356, A357, and ADC10 aluminum alloys. Despite ADC12 is used widely in the die casting industry, no complete......
Coarsening rate of microstructure in semi-solid aluminium alloys H. V. ATKINSON1, D. LIU1, 2 1. Mechanics of Materials Research Group, Department of Engineering, University... of the average globule diameter as a function of the isothermal soaking time in the semi-solid state for the various alloys in Table 1. The intercept is the value of . As commented previously, the amounts......
extruded parts. Key words: aluminum alloys; extrusion; semi-solid metal; rheo-extrusion; gas induced semi-solid (GISS) 1 Introduction Extrusion is one of the various forming processes that is used...: 307-319. [3] FLEMINGS M C. Behavior of metal alloys in the semi-solid [J]. Metallurgical Transactions A, 1991, 22A: 957-981. [4] BAYOUMI M A, NEGM M I, EL-GOHRY A M. Microstructure and mechanical......
J. Cent. South Univ. (2021) 28: 1-15 DOI: https://doi.org/10.1007/s11771-020-4504-x Microstructure and Gd-rich phase evolution of as-cast AZ31-xGd magnesium alloys during semi-solid isothermal heat... magnesium alloys with Gd addition during semi-solid isothermal heat treatment, leading to yielding more spherical α-Mg grains. When Gd content is 2.0 wt. %, the size of semi-solid spherical grains......