Interdiffusion in the face-centred cubic phase of the Ni-Re, Ni-Ta and Ni-W systems between 900 and 1300°C

被引：240

作者：

Karunaratne, MSA ^{[1
]}

Carter, P ^{[1
]}

Reed, RC ^{[1
]}

机构：

[1] Univ Cambridge, Rolls Royce Univ Technol Ctr, Dept Mat Sci & Met, Cambridge CB2 3QZ, England

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2000年 / 281卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

superalloys; interdiffusion coefficients; Ni-Re; Ni-Ta; Ni-W;

D O I：

10.1016/S0921-5093(99)00705-4

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In order to deduce the temperature and composition dependence of the interdiffusion coefficient in the nickel-rich end of the Ni-Re, Ni-Ta and Ni-W systems, a number of diffusion couples have been fabricated and heat treated at temperatures between 900 degrees C and 1300 degrees C. The concentration profiles so-obtained have been determined using an electron microprobe. Subsequently, values of the interdiffusion coefficients were determined using a modified form of the Boltzmann-Matano analysis, and these are presented. Only a very weak concentration dependence of the interdiffusion coefficients was found. The results are compared with the very limited data which are available in the literature. (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：229 / 233

页数：5

共 26 条

[1]

ASHBY MF, 1996, ENG MAT, V1

[2]

BETTERIDGE W, 1987, MATER SCI TECH SER, V3, P682, DOI 10.1179/026708387790329847

[3]

Boltzmann L., 1894, ANN PHYS, V289, P959, DOI DOI 10.1002/ANDP.18942891315

[4]

Darolia R., 1988, Superalloys, V1988, P255, DOI DOI 10.7449/1988/SUPERALLOYS_1988_255_264

[5]

DAVIN A, 1963, MEM SCI REV METALL, V60, P275

[6]

Davin A., 1963, Cobalt, V19, P51

[7]

De Boor C., 1978, PRACTICAL GUIDE SPLI, V27

[8] A GENERAL SIMPLIFICATION AND IMPROVEMENT OF MATANO-BOLTZMANN METHOD IN DETERMINATION OF INTERDIFFUSION COEFFICIENTS IN BINARY SYSTEMS [J].

DENBROEDER, FJ .

SCRIPTA METALLURGICA, 1969, 3 (05) :321-+

[9]

DRIVER D, 1985, MET MATER, V1, P345

[10]

Durand-Charre M, 1997, MICROSTRUCTURE SUPER

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