Enhanced Strength and Ductility at a Cryogenic Temperature in a Nanostructured Ni-Fe Alloy

Abstract:

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The compressive behavior was investigated on an electrodeposited nanocrystalline Ni-20%Fe alloy with a grain size of about 22 nm at room temperature (RT), 298 K, and the liquid nitrogen temperature (LN2T), 77 K. The sensitivity of the yield strength and plastic strain to the test temperature at different grain sizes was discussed. Moreover, through the Transmission Electron Microscopy (TEM) examination and microhardness measurement, the microstructures before and after the compression test at RT and LN2T were studied.

Info:

Periodical:

Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran

Pages:

2828-2833

DOI:

10.4028/www.scientific.net/MSF.539-543.2828

Citation:

H. Q. Li et al., "Enhanced Strength and Ductility at a Cryogenic Temperature in a Nanostructured Ni-Fe Alloy", Materials Science Forum, Vols. 539-543, pp. 2828-2833, 2007

Online since:

March 2007

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$35.00

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