Studies on spinodal decomposition in Cu-27Ni-2Cr alloy |
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| Authors: | P. Prasad Rao B. K. Agrawal A. M. Rao |
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| Affiliation: | (1) Department of Metallurgical Engineering, Karnataka Regional Engineering College, Surathkal, PO Srinivasnagar, 574157 (DK), Karnataka, India;(2) Department of Metallurgical Engineering, Indian Institute of Technology, 400 076 Bombay, India |
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| Abstract: | Transformation characteristics of a Cu-27Ni-2Cr alloy were studied on ageing in the temperature range of 773 to 1073 K, by means of X-ray diffraction and transmission electron microscopy. It was concluded from morphological features that the alloy undergoes spinodal decomposition and the coherent spinodal was estimated to be 946 K. Yield stress increment on ageing was found to follow monotonically the strain amplitude and to be independent of the wavelength of composition modulation. |
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