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THE INFLUENCE OF Bi ON THE INTERFACIAL WETTABILITY BETWEEN SiC PARTICLES AND NiCrMo ALLOY CAST IRON

J.B. Li1) , J.P. Niu1) and X. Wang2) 1) College of Machinery , Shenyang University , Shenyang 110044 , China2) BenxiIron and Steel Company , Benxi111800 , China

金属学报(英文版)

The present paper reportsasystematicinvestigation ontheinfluenceof Bielementon thein terfacial wettability of NiCrMo alloy castiron and their related mechanism by means of thesessiledrop method . Thesurfacetension hasbeen calculated and analysised . Thestudyshows thatasmallamountof Bielementcan significantlyimprovethe wettabilitybetween SiCandNiCr Moalloycastiron. Theoptimin Bicontentis0 01 wt% .

关键词: composites , null , null , null

Fatigue Properties of Supersteel for Automobiles

DU Linxiu , ZHANG Zhongping , TIAN Yuwei , LIU Xianghua , WANG Guodong

钢铁研究学报(英文版)

gy Center, Benxi Steel Group, Benxi 117000, Liaoning, China)
Abstract： The fatigue properties of 400 MPa grade supersteel, plain low carbon steel SS400 and microalloyed steel Q340TM were investigated through tensilecompression fatigue experiment with R=-1. The results indicate that the fatigue limit of the 400 MPa supersteel is higher than that of SS400 steel and close to that of the 340TM steel. According to the analysis of fatigue fracture, the fatigue striations of supersteel SS400 is thinner than that of SS400 steel and 340TM steel, and grain refinement can increase the fatigue limit.

关键词: supersteel;grain refinement;fatigue property

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