Influence of machining on the microstructure, mechanical properties and corrosion behaviour of a low carbon martensitic stainless steel

被引：21

作者：

Bissey-Breton, S. ^{[1
,3
]}

Vignal, V. ^{[2
,3
]}

Herbst, F. ^{[2
,3
]}

Coudert, J. B. ^{[1
,2
,3
]}

机构：

[1] CEA Valduc, F-21120 Is Sur Tille, France

[2] Univ Bourgogne Franche Comte, ICB UMR CNRS 6303, BP 47870, F-21078 Dijon, France

[3] LIMPE Interact Mat Proc Environm, LRC DAM VA 11-02, Dijon, France

来源：

7TH HPC 2016 - CIRP CONFERENCE ON HIGH PERFORMANCE CUTTING | 2016年 / 46卷

关键词：

machining; stainless steel; corrosion; mechanical properties; PARAMETERS;

D O I：

10.1016/j.procir.2016.04.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of cutting conditions of a low carbon martensitic stainless steel (15.5wt.% Cr, 4.8% Ni, 1% Mo, 0.9% Mn, 0.24% Si, 0.1% Cu, < 0.06% C and 77.46% Fe) on the microstructure is first studied using electron backscatter diffraction and transmission electron microscopy. The mechanical and corrosion behaviours of this stainless steel are then investigated. It was found that the microstructure is significantly affected near the machined surface. The formation of grain sub-boundaries or a refinement of the microstructure is observed depending on cutting conditions. Both lead to an increase of the hardness. In addition, the microstructure refinement yields to a huge increase of the average pit surface area. By contrast the average pit density is not affected by machining conditions. (C) 2016 The Authors. Published by Elsevier B.V

引用

页码：331 / 335

页数：5

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