Influence of surface remelting on distribution of residual stresses in medium alloy-medium carbon steel gas tungsten arc weldment

被引：2

作者：

Ramana, P. Venkata ^{[1
]}

Reddy, G. Madhusudhan ^{[2
]}

机构：

[1] Mahatma Gandhi Inst Technol, Hyderabad 500075, Andhra Pradesh, India

[2] Def Met Res Lab, Hyderabad 500258, Andhra Pradesh, India

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE | 2010年 / 224卷 / B5期

关键词：

medium alloy-medium carbon steel; surface remelting; residual stress; hardness; STAINLESS-STEEL; MICROSTRUCTURE; VIBRATION; COATINGS; BEHAVIOR; EROSION; RELIEF;

D O I：

10.1243/09544054JEM1768

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of surface remelting on the residual stress distribution in the fusion weld of a medium alloy medium carbon steel was investigated using X-ray diffraction. It was observed that the sense of residual stresses changes from tensile stresses in the as-welded condition to compressive stresses after surface remelting. The microstructure of the remelted region exhibited fine martensitic microstructure compared with the as-welded microstructure. The observed residual stress distribution was found to be in agreement with hardness data. This study is of significance as this is the first report of surface remelting of a fusion zone to alter residual stresses.

引用

页码：739 / 744

页数：6

共 38 条

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