日本金属学会誌

J. Japan Inst. Metals, Vol. 38, No. 7 (1974),
pp. 637-645

Crystallographic Features of β -Phase Formed in Cu-Zn Diffusion Couples

Minoru Yamamoto1, Taketo Sakuma2 and Taiji Nishizawa2

1Graduate School, Tohoku University, Sendai. Present address: The Hitachi Laboratory of Hitachi Cable Ltd., Hitachi
2Department of Materials Science, Faculty of Engineering, Tohoku University, Sendai

Abstract:

Columnar grains of β -phase were produced on single- and polycrystals of copper by the solid phase diffusion of zinc atoms, and their crystallographic features were studied by means of X-ray measurements. Special attention was paid to determine the growth direction of β -phase and to study the structure of the α/β interface. The coarse grains of β -phase were found to grow on the α -phase, in agreement with Kurdjumov-Sachs' or Nishiyama's orientation relationship. The growth direction of these grains and the associated interface structure were found to be affected by the surface orientation of the single crystals. The α/β interface was as follows:


(Received 1974/01/30)

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