Gleeble Testing to Assess Solid/Liquid Metal Embrittlement of Gun Steels by Copper

被引：10
|
作者：
Vigilante, G. N. [1 ]
Bartolucci, S. [1 ]
Izzo, J. [1 ]
Witherell, M. [1 ]
Smith, S. B. [1 ]
机构：
[1] USA, Armament Res Dev & Engn Ctr, Benet Labs, Watervliet, NY 12189 USA
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2012年 / 27卷 / 08期
关键词：
Artillery gun; Copper embrittlement; Coppering; Embrittlement; Environmental cracking; Gleeble; Gleeble testing; Gun steel; Liquid metal embrittlement; Solid metal embrittlement;
D O I：
10.1080/10426914.2011.648693
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Gleeble testing was performed to assess the solid/liquid metal embrittlement of gun steels by copper. An interior ballistics and finite element model provided the maximum bore temperatures in a 155 mm gun after aggressive firing. Specimens were manufactured out of three different steels. Testing was performed on bare steel as well as copper plated specimens at temperatures ranging from 868 degrees C to 1,100 degrees C. Additionally, notched and un-notched specimens were tested. After testing, metallography, scanning electron microscopy, and energy dispersive spectroscopy were performed. Embrittlement occurred in all copper plated steels tested at 1,100 degrees C. Below 1,100 degrees C, there was only slight evidence of embrittlement.
引用
收藏
页码：835 / 839
页数：5
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