HRTEM Observation of α-Phase in Cu-Zn Alloy Annealed at Lower Temperature


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It is known that the phase-decomposition process of 60/40 Cu-Zn alloy is so-called the bainitic transformation, and decomposition of α-phase from the β’-phase is as follow: β’ → α9R → αfcc. In this work,decomposition of α-phase from the β’ single phase of Cu-40.26at.%Zn alloy has been investigated by high-resolution transmission electron microscopy (HRTEM) to understand the phase transformation of this alloy. Especially, striations in the α-phase has been focused on the special feature for the change of the structure and hardening of this alloy during annealing. The result of a comparison between this alloy and the Si added alloy is also reported.



Advanced Materials Research (Volumes 26-28)

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee




K. Kato et al., "HRTEM Observation of α-Phase in Cu-Zn Alloy Annealed at Lower Temperature", Advanced Materials Research, Vols. 26-28, pp. 1279-1282, 2007

Online since:

October 2007




[1] P.E.J. Flewitt, J.M. Towner: J. Inst. Metals. Vol. 95(1967) , p.273.

[2] Yung-fu Hsu, Wen-hsiung Wang: Scripta METALLURGICA Vol. 25 (1991) , p.1059.

[3] I. Cornelis, C.M. Wayman: Scripta Met., Vol. 7 (1973), p.579.

[4] G.W. Lorimer, H.I. Aaronson, K.R. Kinsman: Scripta Met. Vol 9 (1974) , p.271.

[5] Cyril Stanley Smith: Reviews of Modern Physics, (1942), p.144.

[6] S. Ikeno, K. Matsuda,Y. Nakamura,T. Kawabata,Y. Uetani: J. JRICu., Vol. 43 (2004), 26.

[7] S. Ikeno, M. Aoki, K. Matsuda, Y Uetani, and S. Tada: J. Soc, Mater. Sci. Japan, Vol. 41(1992), 11.