固液复合铸造工艺改善了Mg/铝钢双金属铸件的界面结合

IF 1.3 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

International Journal of Cast Metals Research Pub Date : 2020-12-29 DOI:10.1080/13640461.2020.1868147

Suo Fan, He-bao Wu

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引用次数: 3

摘要

摘要:为了提高Mg/铝钢双金属铸件的界面结合性能，研究了浇注温度对固液复合铸造工艺制备的Mg/铝钢双金属铸件组织和结合性能的影响。结果表明:在不同浇注温度下生产的Mg/铝合金钢双金属铸件得到了均匀的界面层，界面层主要由Fe2Al5、τ10-Al9Fe4Si3、FeAl3和Al12Mg17相组成;当浇注温度较低时，Mg与界面层之间形成裂纹。随着浇注温度的升高，界面结合更加紧密。Mg/铝钢双金属铸件的结合性能随着浇注温度的升高而提高。在780℃的浇注温度下，获得了Mg/铝钢双金属铸件的最佳结合。

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Improved interface bonding of Mg/aluminized steel bimetallic castings prepared by solid–liquid compound casting process

ABSTRACT The effect of pouring temperature on microstructure and bonding properties of the Mg/aluminised steel bimetallic castings prepared by the solid–liquid compound casting process was investigated in this paper in order to improve the interface bonding of the Mg/aluminised steel bimetallic castings. The results show that the Mg/aluminised steel bimetallic castings produced with different pouring temperatures obtained a uniform interface layer that was mainly composed of the Fe2Al5, τ10-Al9Fe4Si3, FeAl3 and Al12Mg17 phases. When the pouring temperature was low, the cracks were formed between the Mg and the interface layer. With increasing pouring temperature, a compact interface bonding was achieved. The bonding properties of the Mg/aluminised steel bimetallic castings increased with increasing pouring temperature. An optimised bonding of the Mg/aluminised steel bimetallic castings was obtained with a pouring temperature of 780°C.

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来源期刊

International Journal of Cast Metals Research 工程技术-冶金工程

CiteScore

2.70

自引率

7.10%

发文量

审稿时长

7.5 months

期刊介绍： The International Journal of Cast Metals Research is devoted to the dissemination of peer reviewed information on the science and engineering of cast metals, solidification and casting processes. Assured production of high integrity castings requires an integrated approach that optimises casting, mould and gating design; mould materials and binders; alloy composition and microstructure; metal melting, modification and handling; dimensional control; and finishing and post-treatment of the casting. The Journal reports advances in both the fundamental science and materials and production engineering contributing to the successful manufacture of fit for purpose castings.