Nanoparticle Additive Manufacturing of Ni-H13 Steel Injection Molds

[+] Author and Article Information
Rajeev Nair, Wenping Jiang, Pal Molian

Mechanical Engineering Department, Iowa State University, Ames, IA 50011 e-mail: rxmadhav@iastate.edu

J. Manuf. Sci. Eng 126(3), 637-639 (Sep 07, 2004) (3 pages) doi:10.1115/1.1765143 History: Received December 01, 2002; Revised January 28, 2004; Online September 07, 2004
Copyright © 2004 by ASME
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Photograph of fabricated gear mold
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(a) Single-track clad, (b) Cell structure at the top layer, and (c) Columnar dendrites at the interface layer of the track.
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(a) SEM micrograph showing the nanoparticles, (b) EDAX spectrum of the black nanoparticle (solid line) Dotted line is the spectrum of overall alloy
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Grain structure of the mold
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Hardness for H13 and H13/Ni nano molds



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