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    题名 作者 年代 出处 被引量
1A FLOW STRESS MODEL FOR AZ61 MAGNESIUM ALLOY显示文摘The flow stress behaviors of AZ61 alloy has been investigated at temperature range from 523 to 673K with the strain rates of 0.001-1s-1.It is found that the average activation energy,strain rate sensitive exponent and stress exponent are different at various deformation conditions changing from 1i3.6 to 176.3k J/mol,0.125 to 0.167 and 6 to 8 respectively.A flow stress model for AZ61 alloy is derived by analyzing the stress data based on hot compression test.It is demonstrated that the flow stress model including strain hardening exponent and strain softening exponent is suitable to predicate the flow stress.The prediction of the flow stress of AZ61 alloy has shown to be good agreement with the test data.The maximum differences of the peak stresses calculated by the model and obtained by experiment is less than 8%.H.T.Zhou X.Q.Zeng Q.D Wang W.J.Ding State Key Laboratory of Metal Matrix Composite,Shanghai Jiaotong University,Shanghai 200030,China 2004Acta Metallurgica Sinica(English Letters)2004,17,2:8
2Photosynthetic characteris-tics and tolerance to photo-oxidation of transgenic rice ex-pressing C4 photosynthesis enzymes显示文摘Jiao D.M Huang X.Q Li X Chi W Kuang T.Y Zhang Q.D Ku M.S.B and Cho D.H 0,,01:1
3Functional analysis of genetic variation in catehol-O-Methyltransferase(COMT):Effects on mRNA,protein,and enzyme activity in postmortem human brain显示文摘Chen J.S Lipska B.K Halim N Ma Q.D Matsumoto M Melhem S 0,,05:1
4Contribution of rare-earths to activation property of Zr-based hydride electrodes显示文摘Yang X.G lei Y.Q Shu K.Y Lin G.F Zhang Q.A Zhang W.K Zhang X.B Lu G.L Wang Q.D 0,,:1
5查看详情显示文摘Hou Y Li X.Y Zhao Q.D Quan X. Chen G.H 0,,09:1
6Magnetic Nanofilm of Fe304for Highly Efficient Organic Light-Emitting Devices显示文摘Feng J Zhang D.D Liu Y.F Bai Y Chen Q.D Iiu S.Y Sun H.B 0,,:1
7查看详情显示文摘Zhu X. L Cai J. B Yang J Su Q.D Gao Y 0,,:1
8In situ Mg 2 Si/Al–Si composite modified by K 2 TiF 6显示文摘Y.G Zhao Q.D Qin Y.Q Zhao Y.H Liang Q.C Jiang 2004Materials Letters2004,,16:1
9查看详情显示文摘Kamarudin M.A Hayne M Zhuang Q.D 0,,:1
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