Heat treatment, structure, and properties of powder high-speed steels 10R6M5-MP and R6M5K5-MP

Autor:	L. N. Andreyanova, V. I. Deryabina, T. A. Pumpyanskaya, N. I. Sel'minskikh, D. A. Pumpyanskii
Rok vydání:	1991
Předmět:	Austenite Materials science Flexural strength Mechanics of Materials Powder metallurgy Differential thermal analysis Metallurgy Metals and Alloys Hardening (metallurgy) Condensed Matter Physics Microstructure Dissolution Carbide
Zdroj:	Metal Science and Heat Treatment. 33:608-611
ISSN:	1573-8973 0026-0673
DOI:	10.1007/bf00774845
Popis:	1. In powder high-speed steels R6M5K5-MP and 10R6M5-MP the temperature for the start of carbide dissolution during austenitizing is 45–55°C lower and thermal effects of their dissolution are half those in cast steels of similar grades. 2. Heat treatment schedules have been developed for powder high-speed steels 10R6M5-MP and R6M5K5-MP with a heating temperature for hardening 50°C lower than for cast steels. Introduction of these schedules made it possible to improve the mechanical properties of the materials and to increase tool life by about a factor of two.
Databáze:	OpenAIRE
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