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Acta Metall Sin  1980, Vol. 16 Issue (3): 302-372    DOI:
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AN INVESTIGATION ON THE THERMAL STABILITY OF Ti-679 ALLOY
Zhou Yigang North-West Engineering Institute
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Zhou Yigang North-West Engineering Institute. AN INVESTIGATION ON THE THERMAL STABILITY OF Ti-679 ALLOY. Acta Metall Sin, 1980, 16(3): 302-372.

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Abstract  The effect of specimen shape, degree of deformation by forging, surface contam-ination of O_2, chemical composition and microstructure on the brittle fracture ofTi-679 alloy subjected to creep test at 450℃ for 100h have been studied. Thethermal stability of the alloy close to α-region was not only related to the alloycomposition, but also to the microstructure formed in the process of deformation.The appearance of the rolled β structure was regarded as the main cause in dete-riorating the thermal stability of this alloy.
Received:  18 March 1980     
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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1980/V16/I3/302

[1] Erdeman, V. J. and Ross, E. W., The Science Technology and Application of Titanium, edited by Jaffee, R. I. and Promisel, N. E., 1970, Pergamon Press, London, p. 829.
[2] Shamblem, C. E. and Redden, T. K., ibid., p. 199.
[3] Coyne, T. E., ibid., p. 97.
[4] Green, T. E. and Minton, C. D. T., ibid., p. 111.
[5] Rosenberg, H. W., ibid., p. 851.
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