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	Surface recarburization of wear-resistant bainite steel castings in lost foam casting
	Xu Xuexia ; Bai Bing-Zhe ; Fang Hongsheng
	2010-10-12 ; 2010-10-12
关键词	Practical/ fracture toughness hardness liquid metals lost foam casting steel surface hardening wear resistance/ surface recarburization wear-resistant bainite steel castings lost foam casting gating system molten steel surface hardness impact toughness FeCJk/ E1520G Forming processes E2140 Tribology (mechanical engineering) E1710 Engineering materials E1520N Surface treatment and coating techniques E2180E Fracture mechanics and hardness (mechanical engineering)/ Fe/ss C/ss
中文摘要	The effects of processing parameters on surface recarburization of bainite wear-resistant steel castings with different shapes were examined in lost foam casting, and the mechanical properties of the castings were measured. Meanwhile, the effects of lost foam casting process on the mechanical properties of the castings were approached by comparing mechanical properties of rack in sand casting and in lost foam casting. The results reveal that the surface recarburization is closely related to the casting structures including shape and size, specific area, gating system, initial carbon content in molten steel as well as pattern density. The un-uniformity of surface recarburization in the castings is responsible for the heterogeneous mechanical properties in lost foam casting. Compared with that of ones in sand casting, the surface hardness of the castings in lost foam casting is obviously improved with good impact toughness.
语种	中文
出版者	Editorial Board of Special Casting & Nonferrous Alloys ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78407]
专题	清华大学
推荐引用方式 GB/T 7714	Xu Xuexia,Bai Bing-Zhe,Fang Hongsheng. Surface recarburization of wear-resistant bainite steel castings in lost foam casting[J],2010, 2010.
APA	Xu Xuexia,Bai Bing-Zhe,&Fang Hongsheng.(2010).Surface recarburization of wear-resistant bainite steel castings in lost foam casting..
MLA	Xu Xuexia,et al."Surface recarburization of wear-resistant bainite steel castings in lost foam casting".(2010).

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