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2011年12期
| 标题 |
| 钢轨铝热焊接头冷裂纹的韧性断裂特征分析(51卷) |
| 英文标题 |
| Analysis of ductility fracture feature of cold cracking of rail thermit weld |
| 摘要 |
| 钢轨铝热焊接头的断裂常常是因为铸造缺陷引发脆性断裂，断口一般具有高温断裂的特性或低温脆断特性。本文对两起具有韧性断裂特点的冷裂断口进行了分析，认为冷却过程受到外来拉应力是造成韧性断裂的主要原因。 |
| 作者 |
| 新闻作者:李力，胡玉堂，李金华 |
| 关键字 |
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| 标题 |
| 钢轨铝热焊接头冷裂纹的韧性断裂特征分析(51卷) |
| 英文标题 |
| Analysis of ductility fracture feature of cold cracking of rail thermit weld |
| 摘要 |
| 钢轨铝热焊接头的断裂常常是因为铸造缺陷引发脆性断裂，断口一般具有高温断裂的特性或低温脆断特性。本文对两起具有韧性断裂特点的冷裂断口进行了分析，认为冷却过程受到外来拉应力是造成韧性断裂的主要原因。 |
| 作者 |
| 新闻作者:李力，胡玉堂，李金华 |
| 关键字 |
| COPYRIGHT©2001-2025 CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED，ALL RIGHTS RESERVED | ||
|
