Improving the ballistic immunity of armour steel weldments by plasma transferred arc (PTA) hardfacing

被引：28

作者：

Babu, S. ^{[1
]}

Balasubramanian, V. ^{[2
]}

Reddy, G. Madhusudhan ^{[3
]}

Balasubramanian, T. S. ^{[4
]}

机构：

[1] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

[2] Annamalai Univ, Dept Mfg Engn, Ctr Mat Joining & Res CEMAJOR, Annamalainagar 608002, Tamil Nadu, India

[3] Def Met Res Lab, Solidificat Div, Kanchanbagh 500058, Andhra Pradesh, India

[4] Combat Vehicles Res & Dev Estab, Avadi 600054, Tamil Nadu, India

来源：

MATERIALS & DESIGN | 2010年 / 31卷 / 05期

关键词：

PERFORMANCE;

D O I：

10.1016/j.matdes.2009.11.060

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This investigation describes about improving the ballistic immunity of armour steel joints which are fabricated by sandwiching of plasma transferred arc (PTA) hardfaced interlayers in between soft austenitic stainless steel (ASS) welds. From the results, the welds with sandwiched interlayer stopped all the projectiles successfully, irrespective of processes used, whereas welds without sandwiched interlayer were failed. In order to know the cause of failure, a detailed metallographic examination was carried out. The variation in microstructure and hardness at various zones of the weld are discussed. For the first time, it was found that the armour steel could be hardfaced by the PTA process with tungsten carbide powder. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.

引用

页码：2664 / 2669

页数：6

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