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was used to prepare the semi-solid Al–20%Si alloy slurry and refine primary Si grains in the alloy. The effects of the pouring temperature, number of curves in the serpentine channel, and material of the serpentine channel on the size of primary Si grains in the semi-solid Al–20%Si alloy slurry were investigated. The results showed that the pouring temperature, number of the curves, and material......
:In this article, semi-solid AlSi7Mg alloy slurry was prepared by low superheat pouring and weak electromagnetic stirring. The effects of pouring temperature and stirring power on the microstructure... or spherical. When the pouring temperature was decreased, the shape of the primary α-Al grains gradually changed from dendritic-like grains to spherical grains. When the pouring temperature......
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and growth technique using a specially designed rotational barrel. Experimental study was undertaken to investigate the effects of pouring temperature and rotation speed of barrel on the microstructure... gradual cooling afterwards led to the formation of the near-ideal semi-solidslurry under a large processing window for the pouring temperature. Primary phase presented in mean equivalent diameter......
of Technology, Lanzhou 730050, China) Abstract: The semi-solid slurry of AM60 Mg alloy was prepared by a novel self-inoculation method(SIM). The effect of pouring temperature on the semi-solid slurry prepared by self-inoculation method was investigated. The results show that the coarser dendrite reduces with the decrease of pouring temperature. A small block or rosette grain is obtained when......
伸断口的SEM像 Fig. 6 Photo of bimetals tensile specimens and SEM images of bimetals tensile fracture at pouring temperature of 660 ℃ 图7 A356/6082复合板沿垂直界面方向上的显微硬度分布 Fig. 7 Micro-hardness...及有色合金, 2018, 38(3): 295-299. CHEN Tian-ci, LI Yuan-dong, LI Ming, SUN Yan-lan, BI Guang-li, JIANG Chun-hong. Effect of pouring temperature on composite interface of A356/2024 sheet by solid-liquid......
in the present work is 430 mm. The microstructure of larger slug poured at higher pouring temperature gets worse and it can be improved by moderately elongating pouring time. The relative mechanisms were... (no grain refining agent was employed). The melt was then cooled to the chosen pouring temperature, and cast via a vertical graphite-pipe at room temperature into a stainless steel mould, which......
prevent hot tearing of A713 alloy. Key words: aluminium alloy; hot tearing; pouring temperature; grain refinement 1 Introduction Hot tearing is a severe defect encountered in alloy castings and perhaps... taken out, which are shown in Fig. 4. It was observed that with an increase in the pouring temperature, under the same grain refinement, the crack length gradually increased from a minimum value. However......
Trans. Nonferrous Met. Soc. China 25(2015) 2884-2892 Effects of pouring temperature and cylinder temperature on microstructures and mechanical properties of rheomoulding AZ91D alloy Ming-fan QI1... preparation, transportation and injection forming, was introduced and used to manufacture rheomoulding AZ91D alloy. Effects of pouring temperature and cylinder temperature on microstructures and mechanical......