Grain refinement of copper based alloys Using ECAP

Horita, Z., Neishi, K. and Langdon, T.G. (2002) Grain refinement of copper based alloys Using ECAP In, Zhu, Y.T., Langdon, T.G., Mishra, R.S., Semiatin, S.L., Saran, M.J. and Lowe, T.C. (eds.) Ultrafine grained materials II. 2002 TMS Annual Meeting and Exhibition Minerals, Metals & Materials Society pp. 449-457.


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Equal-channel angular pressing (ECAP) was conducted to achieve grain refinement in a series of Cu-based alloys having either a single-phase or a two-phase condition. The phase condition of the alloys was controlled through the introduction of Zn as an alloying element and Zr was also added to provide some thermal stability of the ultrafine-grained structures. Microstructures were observed by optical microscopy and transmission electron microscopy and the tensile properties of the as-pressed alloys were examined at elevated temperatures. It is shown that superplastcity is attained under optimum conditions in both the single-phase and the two-phase alloys after processing by ECAP.

Item Type: Book Section
ISBNs: 0873395239 (print)
Venue - Dates: 2002 TMS Annual Meeting and Exhibition, 2002-02-17 - 2002-02-21
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Keywords: equal-channel angular pressing, recrystallization, superplasticity
ePrint ID: 23861
Date :
Date Event
Date Deposited: 05 Apr 2006
Last Modified: 16 Apr 2017 22:43
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