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INFLUENCE OF THERMAL DIFFUSION CARBONITRATION AND STRUCTURE OF DIFFUSION COATINGS ON MECHANICAL PROPERTIES OF P6M5 TOOL STEEL

Abstract

The paper investigates micro-structure, distribution of chemical elements in diffusion carbonitride coatings on P6M5 steel that have been obtained in powder cyanoless media at temperature 450–550 °C, distribution of micro-hardness and also results of the experiments on wear resistance executed at loads of 50 and 400 MPa.

Influence of  machining temperature on  dimension and shape of  hardening phases is shown in the paper. The paper also considers influence of these characteristics on mechanical properties of carbonitrated P6M5 steel.

About the Authors

N. G. Kouhareva
Belarusian National Technical University


S. N. Petrovich
Belarusian National Technical University


N. A. Galynskaya
Belarusian National Technical University


References

1. Прокошкин, Д. А. Химико-термическая обработка металлов – карбонитрация / Д. А. Прокошкин. – М. : Металлургия, Машиностроение, 1984. – 240 с.

2. Марочник сталей и сплавов / В. Г. Сорокин [и др.] ; под общ. ред. В. Г. Сорокина. – М .: Машиностроение, 1989. – 640 с.

3. Кухарева, Н. Г. Структура и свойства диффузионных покрытий на быстрорежущих и нержавеющих сталях / Н. Г. Кухарева, Т. Бабуль, Я. Сенаторский // Металлообработка. – 2002. – № 1 (7). – С. 21–24.

4. Минкевич, А. Н. // Металловедение и термическая обработка металлов. – 1968. – № 10. – С. 11–16.


Review

For citations:


Kouhareva N.G., Petrovich S.N., Galynskaya N.A. INFLUENCE OF THERMAL DIFFUSION CARBONITRATION AND STRUCTURE OF DIFFUSION COATINGS ON MECHANICAL PROPERTIES OF P6M5 TOOL STEEL. Science & Technique. 2009;(4):26-29. (In Russ.)

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ISSN 2227-1031 (Print)
ISSN 2414-0392 (Online)