Thick tool steel coatings using HVOF spraying for wear resistance applications

被引：14

作者：

Rajasekaran, B. ^{[1
]}

Mauer, G. ^{[1
]}

Vassen, R. ^{[1
]}

Roettger, A. ^{[2
]}

Weber, S. ^{[3
]}

Theisen, W. ^{[2
]}

机构：

[1] Forschungszentrum Julich, Inst Energie Forsch, Inst Werkstoffe & Herstellungsverfahren IEF 1, D-52425 Julich, Germany

[2] Ruhr Univ Bochum, Lehrstuhl Werkstofftech, Bochum, Germany

[3] Helmholtz Zentrum Berlin Mat & Energie GmbH, Berlin, Germany

来源：

SURFACE & COATINGS TECHNOLOGY | 2010年 / 205卷 / 07期

关键词：

Coating; Thermal spray; HVOF; Cold work tool steel; Factorial design; Abrasive wear; PARAMETERS; BEHAVIOR;

D O I：

10.1016/j.surfcoat.2010.09.041

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper deals with the processing of thick cold work tool steel coating using high velocity oxy-fuel (HVOF) spraying process. A full factorial experimental design was established to identify the influencing process parameters on the formation of dense coating with low oxidation. Microstructural analysis of the coating was carried out using optical, SEM and XRD techniques. Cold work tool steel coatings with a thickness up to 2 mm were developed on bond coated low carbon steel substrates for wear resistance evaluation. A pin on disc test was performed to examine the wear resistance of thick cold work tool steel coatings on different types and sizes of abrasive papers. The wear results were compared with the wear resistance of a standard high speed steel pin. The abrasive wear resistance of cold work tool steel coated pins was found to be superior against soft and fine abrasive papers than the standard high speed steel. Besides, the performance of the coated pins against hard and coarser abrasive papers was found to be similar to standard high speed steel. The study showed the potential of HVOF spraying on the development of thick cold work tool steel coatings for wear resistance applications. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：2449 / 2454

页数：6

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