Recycling of stainless steel bar scrap by radial-shear rolling to obtain an ultrafine-grained gradient structure-Reference-Cited by-同舟云学术

Recycling of stainless steel bar scrap by radial-shear rolling to obtain an ultrafine-grained gradient structure

Published:2021-07-09 Issue:2 Volume: Page:61-67
ISSN:2414-0406
Container-title:Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)
language:
Short-container-title:Litʹë metall.

Author:

Lezhnev S. N.¹,Naizabekov A. B.¹,Volokitina I. E.¹,Panin E. A.²,Kuis D. V.³

Affiliation:

1. Rudny Industrial Institute

2. Karaganda Industrial University

3. Belarusian State Technological University

Abstract

This work is devoted to the study of the possibility of recycling bar scrap of stainless metals using radial-shear rolling. In the course of studies on the deformation of bar scrap in the form of pins made of 12X18N9T stainless austenitic steel on a radial-shear rolling mill, the resulting bar was obtained microstructure of two different types: on the periphery an equiaxed ultrafine-grained structure with a grain size of 0.4–0.6 microns was formed; in the axial zone anoriented, banded texture was obtained. This discrepancy in the structure of the peripheral and axial zones, together with the results of cross-section microhardness measurements of samples made of 12X18N9T austenitic stainless steel with a total degree of deformation of 44.4 %, indicates the gradient nature of the resulting microstructure.

Publisher

Belarusian National Technical University

Subject

Pulmonary and Respiratory Medicine,Pediatrics, Perinatology, and Child Health

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