FRACTURE STRENGTH OF WC-Co ALLOYS

FRACTURE STRENGTH OF WC Co ALLOYS

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摘要ＦＲＡＣＴＵＲＥＳＴＲＥＮＧＴＨＯＦＷＣＣｏＡＬＬＯＹＳ①ＣａｏＳｈｕｎｈｕａＰｏｗｄｅｒＭｅｔａｌｕｒｇｙＮａｔｉｏｎａｌＬａｂｏｒａｔｏｒｙ，ＣｅｎｔｒａｌＳｏｕｔｈＵｎｉｖｅｒｓｉｔｙｏｆＴｅｃｈｎｏｌｏｇｙ，Ｃｈａｎｇｓｈａ４１００８３ＡＢ... Considering the classic GriffithOrowan equation of energy balance during fracture and the contribution of the tungsten carbide and the effective cobalt phase volume fraction to the fracture strength, a new theory, which concerns the variations of the fracture strength of WCCo alloys with their microstructural parameters such as the cobalt phase volume fraction and tungsten carbide grain size, was proposed. The predications provided by this theory tally qualitatively well with the experimental results observed by the previous researchers.

作者 Cao, Shunhua

机构地区 Central South Univ of Technology

出处《中国有色金属学会会刊：英文版》 EI CSCD 1997年第3期55-57,共3页 Transactions of Nonferrous Metals Society of China

关键词 FRACTURE STRENGTH cobalt phase volume FRACTION WC GRAIN size fracture strength cobalt phase volume fraction WC grain size

分类号 TG146.411 [一般工业技术—材料科学与工程]

引文网络
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1Fan, Tongxiang, Shi, Zhongliang, Zhang, Di, Wu, Renjie.EFFECT OF SILICON CARBIDE VOLUME FRACTION UPON INTERFACE REACTION IN SiC_p/Al COMPOSITES[J].中国有色金属学会会刊：英文版,1999,9(2):158-163. 被引量：2
2李智超,董允.WC-Co YG13C硬质合金热处理工艺研究[J].机械工程材料,1991,15(4):43-48. 被引量：13
3王春生,殷世强,陈宇,信英华.Strength and microstructure of 2091 Al-Li alloy TIG welded joint[J].China Welding,2000,9(1):50-54.
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6陈献廷.WC—Co硬质合金断裂韧性的探讨[J].硬质合金,1990(2):29-31.
7Yuan, Xiaoguang, Xu, Daming, Li, Qingchun.FRACTURE　BEHAVIOR　OF　DEPOSITED　AlSiFe　ALLOY[J].中国有色金属学会会刊：英文版,1997,7(1):67-70.
8Peng Zhang,Yunhui Du,Xueping Ren,Yonglin Kang,Hanwu Liu,Jianzhong Cui,Limin Ba(Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China)(Metal Forming Department, Northeastern University, Shenyang 110006.Influence of aluminum solid fraction on property of steel-mushy aluminum bonding plate[J].International Journal of Minerals,Metallurgy and Materials,1999,13(3):193-195.
9化学气相沉积WC—Co涂层的发展[J].热处理,2002,17(4):38-38.
10Z.M. Ding and L.M. Zhang Departmentof Material Science and Engineering, Dalian Railway Institute,Dalian 116028 ,China.STUDY ON THE FRACTURE PROCESS OF AN AS CAST Zn 27WT% Al ALLOY[J].Acta Metallurgica Sinica(English Letters),1999,12(4):578-580.

中国有色金属学会会刊：英文版

1997年第3期

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