Increasing Wear Resistance of Low-Carbon Steel by Anodic Plasma-Electrolytic Nitroboriding

被引：1
|
作者：
V. S. Belkin
P. N. Belkin
B. L. Krit
N. V. Morozova
S. A. Silkin
机构：
[1] Moscow Aviation Institute (National Research University),
[2] Kostroma State University,undefined
[3] Russian Medical Academy of Continuous Professional Education,undefined
[4] Moscow State University of Technology «STANKIN»,undefined
来源：
Journal of Materials Engineering and Performance | 2020年 / 29卷
关键词：
modified layer; nitroboriding; plasma-electrolytic treatment; threaded fastening pair; working resource;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The article describes the research for improvement of properties of low-carbon steel 20 by anodic nitroboriding in the electrolyte containing boric acid in the quantity necessary for ensuring sufficient boron potential in the saturating medium—vapor-gaseous envelope. Current–voltage and temperature–voltage characteristics of plasma-electrolytic treatment in the suggested electrolyte; the influence of oxidation and anodic dissolution processes on weight balance, structure and phase composition of the modified layer, its microhardness, roughness and wear resistance were considered. There was a significant (up to 1180 HV) increase in microhardness and a fivefold decrease in wear and corrosion. The data of tests showed that the operational resource increases more than 45 times for threaded fastening pair subjected to nitroboriding.
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页码：564 / 572
页数：8
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