Affiliation:
1. Instituto de Pesquisas Energéticas e Nucleares, IPEN
2. Instituto de Pesquisas Energéticas e Nucleares, IPEN/CNEN-SP
3. Escola de Engenharia Mackenzie
Abstract
Tool steels have important participation in the worldwide market of steels. They are used by
metal-mechanical industry as cutting tools, molds, punches, etc. Because the use is of great
responsibility, it is important to discuss the relationship between microstructure and
mechanical properties. The starting material was powder of a commercial tool steel with the
composition (wt%) 2.5%C, 5.25%Cr, 0.9%Si, 9.75%V, 0.5Mn, 1.3%Mo and balance Fe. The
samples were obtained by hot isostatic pressing (hip) process, and than were austenitizing at
1120°C and submitted to tempering in the temperature range varying from 430° to 550°C.
The aim of this work was to evaluate the correlation between heat treatment, microstructure
and mechanical properties. Results of toughness and hardness are presented.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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