Micro Metal Injection Molding Process for High Performance Titanium Alloy

Abstract:

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In this study, gas nitriding was processed for various sizes of Ti specimens which were produced by metal injection molding (MIM) process, for the sake of enabling the high functionality at low processing cost. It was shown by the nitriding treatment that the hardness of the surface increased extremely and the microstructure changed to the TiN and acicular α-Ti phase. With respect to the effect of the nitriding on the size of parts, micro dumbbell specimen had around five times higher content of nitrogen than the block ones. It was suggested that the size of μ-MIM products is so small that the surface treatment can contribute significantly to improve the properties, and then gas nitriding process may be one of effective surface treatment methods for high functionality of μ-MIM Ti products.

Info:

Periodical:

Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

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

Pages:

3667-3672

DOI:

10.4028/www.scientific.net/MSF.539-543.3667

Citation:

H. Miura et al., "Micro Metal Injection Molding Process for High Performance Titanium Alloy", Materials Science Forum, Vols. 539-543, pp. 3667-3672, 2007

Online since:

March 2007

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Price:

$35.00

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