{"title":"固液复合铸造工艺改善了Mg/铝钢双金属铸件的界面结合","authors":"Suo Fan, He-bao Wu","doi":"10.1080/13640461.2020.1868147","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":13939,"journal":{"name":"International Journal of Cast Metals Research","volume":"34 1","pages":"32 - 42"},"PeriodicalIF":1.3000,"publicationDate":"2020-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13640461.2020.1868147","citationCount":"3","resultStr":"{\"title\":\"Improved interface bonding of Mg/aluminized steel bimetallic castings prepared by solid–liquid compound casting process\",\"authors\":\"Suo Fan, He-bao Wu\",\"doi\":\"10.1080/13640461.2020.1868147\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"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.\",\"PeriodicalId\":13939,\"journal\":{\"name\":\"International Journal of Cast Metals Research\",\"volume\":\"34 1\",\"pages\":\"32 - 42\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2020-12-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1080/13640461.2020.1868147\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Cast Metals Research\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1080/13640461.2020.1868147\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"METALLURGY & METALLURGICAL ENGINEERING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Cast Metals Research","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1080/13640461.2020.1868147","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
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.
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.
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