APPLICATION OF BINARY INTERDIFFUSION MODELS TO GAMMA'(NI3AL)/GAMMA(NI) DIFFUSION-BONDED INTERFACES

被引：9

作者：

DUPEUX, M ^{[1
]}

WAN, CG ^{[1
]}

WILLEMIN, P ^{[1
]}

机构：

[1] IMPHY SA, DEPT ETUD & RECH, F-58160 IMPHY, FRANCE

来源：

ACTA METALLURGICA ET MATERIALIA | 1993年 / 41卷 / 11期

关键词：

Binary interdiffusion models - Diffusion bonding - Matano's method - Nickel aluminide;

D O I：

10.1016/0956-7151(93)90035-Q

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nickel and Ni3Al platelets have been joined by diffusion solid state bonding with two different sets of bonding parameters (applied pressure, temperature, duration). The gamma/gamma' interfaces obtained are examined and the transverse concentration profiles are determined. The application of the classical binary interdiffusion models to this particular case is discussed, with increasingly refined hypotheses. A step-by-step numerical calculation procedure is finally proposed which is able to account correctly for the measured profiles at the highest annealing temperature (1100-degrees-C). To apply this procedure an experimental determination of the interdiffusion coefficients of Al in the phases gamma and gamma' as functions of the local concentration was made according to Matano's method.

引用

页码：3071 / 3076

页数：6

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