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| “INTERFACE WITHDRAWAL EFFECTS”AT TWOPHASE INTERFACES OF Cu:Cu-Al DIFFUSION COUPLES DURING QUENCHING |
| Lü Yicheng(Y.C.Lu)Shanghai Jiaotong University;NOTIS;M.R.;GOLDSTEIN;J.I.Lehigh University.U.S.A. |
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Cite this article:
Lü Yicheng(Y.C.Lu)Shanghai Jiaotong University;NOTIS;M.R.;GOLDSTEIN;J.I.Lehigh University.U.S.A.. “INTERFACE WITHDRAWAL EFFECTS”AT TWOPHASE INTERFACES OF Cu:Cu-Al DIFFUSION COUPLES DURING QUENCHING. Acta Metall Sin, 1985, 21(5): 67-148.
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Abstract The“interface withdrawal”across the α/β interface in Cu:Cu-Al diffusioncouples during quenching has been investigated.Using numerical analysis basedon the Fick's second law,the non-isothermal diffusion modeling across the α/βinterface was carried out in comparison with the experimental results.The distan-ce of interface withdrawal depends on the initial concentration profile at thehigh temperature,the diffusion annealing temperature,the diffusion coefficients,the cooling rate and the slope of the solves curves in the phase diagram.Thewithdrawal effect influences the shape of the concentration profile and the inter-facial concentration.
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Received: 18 May 1985
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1 吕忆城;Notis,M.R.;Goldstein,J.I.,金属学报,21(1985) .
2 Willey,L.A.,Bull.Alloy Phase Diagr.,1(1980) ,№1, 27．
3 Tanzilli,R.A.;Heckel,R.W.,Trans.Metall.Soc.AIME,242(1968) ,2313．
4 Oikawa,H.;Obara,T.;Karashima,S.,Metall.Trans.,1(1970) ,2969．
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