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. [20] YANG Ming-bo, PAN Fu-sheng, CHENG Ren-jun, BAI Liang. Effect of semi-solid isothermal heat treatment on the microstructure of Mg-6A1-1Zn-0.7Si alloy [J]. J Mater Process Tech, 2008, 206(1/3...-bo, SHEN Jia, PAN Fu-sheng. Effect of Sb on microstructure of semi-solid isothermal heat-treated AZ61-0.7Si magnesium alloy [J]. Transaction of Nonferrous Metals Society of China, 2009, 19(1): 32-39......
after heat treatment The microstructures after T6 heat treatment of both cases are given in Fig.10. The results show that the silicon particles are rounder in the semi-solid samples[18... properties of sand cast samples after T6 heat treatment[18] 4 Conclusions 1) Gas induced semi-solid casting of Al7Si0.3MgFe at a low solid fraction can fill the casting in gravity sand casting. 2......
isothermal treatment Figs.2 and 3(a) show the microstructures of the as-received ingot of A356 alloy solidified under normal condition and semi-solid slurry produced by AO from a pouring temperature... coarsening. The isothermal temperature, holding time and microstructure of special feedstock are the main factors affecting the evolution of solid phase in the semi-solid state. Although, it is now......
microscopy. Table 2 Technological parameters of semi-solid isothermal treatment 3 Results and discussion 3.1 Microstructures of AZ91D magnesium alloy in three states before SSIT Fig.2 shows the microstructures of AZ91D magnesium alloy in three states before semi-solid isothermal treatment. The as-cast microstructure is composed of the coarse dendrite structure of a-Mg and the eutectic b-Mg17Al12......
]) Micrograph sequences for isothermal holding in the semi-solid state have been previously presented for extruded 2014 (T6 condition), cooling slope modified 2014 and cooling slope 201[20]. The results... 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......
, coarse and non-globular gains often exist in the microstructure of semi-solid billets prepared by common SIMA method, i.e., semi-solid isothermal treatment(SSIT) of upsetted magnesium cast materials... semi-solid isothermal treatment. As shown in Fig.2, microstructures are composed of α phase (Mg matrix) and β phase (Mg17Al12). However, the evident difference in grain size occurs in microstructures......
Trans. Nonferrous Met. Soc. China 28(2018) 1311-1320 Evolution and distribution of Al2Sm phase in as-extruded AZ61-xSm magnesium alloys during semi-solid isothermal heat-treatment Chen-liang CHU1..., 1.5, 2.0 and 2.5, mass fraction, %) magnesium alloys during semi-solid isothermal heat treatment were investigated. The results showed that when as-extruded AZ61 magnesium alloys were modified with Sm......
heat treatment was also studied. Key words: Mg-Al-Si alloy; semi-solid; microstructure; isothermal heat treatment; Mg2Si phase 1 Introduction Magnesium alloys are attractive candidates for automotive... of semi-solid isothermal heat-treated AZ61-0.7Si magnesium alloy [J]. Transactions of Nonferrous Metals Society of China, 2009, 19(1): 32-39. [19] SRINIVASAN A, PILLAI U T S, PAI B C. Microstructure......
): 1143-1148. LI Yuan-dong, HAO Yuan, CHEN Ti-jun, YAN Feng-yun. Effects of isothermal heat-treatment on microstructure evolution and formability of AZ91D magnesium alloy in semi-solid state[J]. The Chinese... parameters of isothermal heat treatment are 605 ℃ holding temperature and 40 min holding time, obtaining the semi-solid microstructure with the average partial size of 48.5 μm and the roundness......
alloy MB15 during semi-solid isothermal heat treatment [J]. Materials Science & Technology, 2005, 13(1): 25-29. (in Chinese) [20] WU Gong, YAO Liang-jun, LI Zhen-xia, PENG Ru-qing, ZHAO Zu-de. Manual...; Abstract: The effects of solution-ageing treatment on the mechanical properties of semi-solid metal (SSM) products......
