Wear resistance improvement of austenitic 316L steel by laser alloying with boron

被引：58

作者：

Kulka, M. ^{[1
]}

Mikolajczak, D. ^{[1
]}

Makuch, N. ^{[1
]}

Dziarski, P. ^{[1
]}

Miklaszewski, A. ^{[1
]}

机构：

[1] Poznan Univ Tech, Inst Mat Sci & Engn, Pl M Sklodowskiej Curie 5, PL-60965 Poznan, Poland

来源：

SURFACE & COATINGS TECHNOLOGY | 2016年 / 291卷

关键词：

Laser-boriding; 316L steel; Composite surface layer; Microstructure; Hardness; Resistance to wear; STAINLESS-STEEL; LAYERS; MICROSTRUCTURE; CORROSION; BEHAVIORS; CHROMIUM; TITANIUM;

D O I：

10.1016/j.surfcoat.2016.02.058

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Austenitic 316L steel was known for its good resistance to corrosion and oxidation. Therefore, this material was often used wherever corrosive media or high temperatures were to be expected. However, under conditions of appreciable mechanical wear, this steel had to be characterized by suitable wear protection. In this study, laser boriding was used in order to improve the wear behavior of this material. The composite boride layer consisted of hard ceramic phases (borides and boro-carbides) and a soft austenitic matrix. The significant increase in wear resistance of laser-borided layer was observed in comparison with the untreated 316L steel. The predominant abrasive wear was accompanied by adhesive and oxidative wear evidenced by shallow grooves, adhesion craters and the presence of oxides. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：292 / 313

页数：22

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