Anodic electrolytic-plasma borocarburizing of low-carbon steel

被引：0
|
作者：
S. A. Kusmanov
I. V. Tambovskii
A. R. Naumov
I. G. D’yakov
I. A. Kusmanova
P. N. Belkin
机构：
[1] Kostroma State University,
来源：
Protection of Metals and Physical Chemistry of Surfaces | 2017年 / 53卷
关键词：
electrolytic-plasma borocarburizing; microhardness; roughness; corrosion rate; wear;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of conditions of anodic electrolytic-plasma borocarburizing of low-carbon steel on its structure and properties has been studied. It has been established that the effect of the treatment conditions on the thickness of a modified layer is explained by the competition of boron and carbon diffusion and steel-sample oxidation. The mechanism of transport of saturating components from electrolyte into steel is described. An electrolyte composition (10–15% sal ammoniac, 5% boric acid, and 4–8% glycerine) and treatment modes (800–900°C, 5 min) are suggested that produce a hardened surface layer with a thickness of up to 0.15 mm and a microhardness of 1000 HV and reduce surface roughness by an order of magnitude. Anodic electrolytic-plasma borocarburizing makes it possible to reduce the coefficient of friction by 36%, steel-wear rate by an order of magnitude, and corrosion rate by 2.5 times.
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页码：488 / 494
页数：6
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