DEVELOPMENT OF THEORETICAL AND TECHNOLOGICAL BASIS OF PRODUCTION AND HEAT TREATMENT OF METAL LAYERED COMPOSITIONS

F. Norhudzhaev Tashkent State Technical University named after Islam Karimov, norxojaev.fayzulla.65@mail.ru
N.Dunyashin Tashkent State Technical University named after Islam Karimov, dunjashin-nikolajj@rambler.ru
D.Vasilkov Baltic State Technical University "VOENMEKH" D.F. Ustinova, vasilkovdv@mail.ru
Z.Ermatov Tashkent State Technical University named after Islam Karimov, dziyodulla@gmail.com
E.Zairkulov Tashkent State Technical University named after Islam Karimov, zairkulovelyor@gmail.com
N.Rakhmatullaeva Tashkent State Technical University named after Islam Karimov, n.raxmatullaeyeva@mail.ru

Abstract

The article discusses the technological process of obtaining and heat treatment of metal layered compositions (MSC) for tillage working bodies. The compositions of metal layered compositions, which were developed for various types of tillage working bodies, are given. Alloys of the Fe-Cr-C system were used as "inserts"; namely PG-S27 and PG-S27-TN-20, and the supporting base is cast structural steel 65GL. Based on the studies carried out (study of microstructure, microhardness, distribution of elements in the transition zone, X-ray phase analysis), technologies have been developed for obtaining a number of MSCs for tillage tools.

Keywords:

: wear resistance, heat treatment, metal layered compositions, tillage working body, boron carbide, casting structural steel, insert, alloy, microstructural studies.


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