Laser cladding of a featureless iron-based alloy

被引：28

作者：

Aghasibeig, Maniya ^{[1
]}

Fredriksson, Hasse ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden

来源：

SURFACE & COATINGS TECHNOLOGY | 2012年 / 209卷

关键词：

Laser cladding; Iron-based alloys; Featureless phase; Epsilon phase; COMPOSITE COATINGS; MO; SI; MICROSTRUCTURE; BEHAVIOR; PHASE;

D O I：

10.1016/j.surfcoat.2012.08.013

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Laser cladding experiments with powder injection technique were carried out to create coatings of Fe-8.1Cr6.4Mn-5.3Si-6.9Mo-3.6C alloy on AISI 1018 steel substrates using a diode laser. Analysis of the clad layers showed that an almost featureless structure was formed at different dilutions between 1% and 4%. The featureless phase with a high hardness of 1155 HV was characterized as a metastable solid solution of e phase. However, the featureless structure appeared to be very brittle with numerous cracks. After heat-treatment, it decomposed into a bainitic structure with a high hardness of 884 HV. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：32 / 37

页数：6

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