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| HG70钢的焊接性能 | |
| 引用本文： | 章桥新,黄治军,陈淑虹.HG70钢的焊接性能[J].材料开发与应用,2001,16(4):19-23. |
| 作者姓名： | 章桥新 黄治军 陈淑虹 |
| 作者单位： | 1. 武汉理工大学 2. 武钢技术中心 3. 洛阳轴承集团 |
| 摘 要： | HG70钢是一种高强度低合金机械工程用钢。本文研究了焊缝中扩散氢含量与预热温度的关系。通过焊接热影响区最高硬度试验、小铁研试验 ,评估了HG70钢的裂纹敏感性 ,测定了手工焊接接头的力学性能。结果表明 ,HG70钢具有较低的裂纹敏感性 ,其焊接接头具有优良的力学性能 |
| 关 键 词： | 焊接性 HG70钢 裂纹敏感性 |
| 文章编号： | 1003-1545(2001)04-0019-05 |
| 修稿时间： | 2001年1月17日 |
Weldability of HG70 Steel |
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| Zhang Qiaoxin WTBZ.Weldability of HG70 Steel[J].Development and Application of Materials,2001,16(4):19-23. | |
| Authors: | Zhang Qiaoxin [WTBZ] |
| Affiliation: | Zhang Qiaoxin [WT6BZ] |
| Abstract: | WT5”BZ]HG70 steel is a high strength and low carbon steel for mechanical engineering use. In this paper, the influence of pre heating temperature on the content of diffusive hydrogen in weld joint was studied. The hardness test in heat affected zone and Y groove cracking test are carried out to evaluate cracking sensitivity of this steel. The mechanical properties of welded joint are also examined. The results show that HG70 has low sensitivity to cracking and the welded joint of HG70 steel exhibits good mechanical properties. WT5”HZ] |
| Keywords: | WT5”BZ]Weldability HG70 steel Cracking sensitivity |
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