Paper Title:
Development of Powder Metallurgy High Speed Steel
  Abstract

High speed steels (HSS) have been widely used worldwide. This paper introduced some research results of high speed steels via Powder Metallurgy process. High speed steels AHPT15 (W12Cr4V5Co5 ) were investigated via gas atomization, hot isostatic pressing, hot working and heat treatment processes. Microstructure of the steels, precipitation of carbides and the influence of nonmetallic inclusions on mechanical properties of the steels were investigated. PM HSS showed fine and uniform microstructure and exhibited excellent toughness and wear resistance, with bend strength up to 3500 MPa and hardness up to 68.0 HRC.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
1854-1859
DOI
10.4028/www.scientific.net/MSF.638-642.1854
Citation
H. L. Zhong, Y. Fang, C. Kuang, X. Kuang, Q. Hao, X. Li, "Development of Powder Metallurgy High Speed Steel", Materials Science Forum, Vols. 638-642, pp. 1854-1859, 2010
Online since
January 2010
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Price
$32.00
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