| 枕架焊裂原因分析 |
| |
| 引用本文： | 阎颖 王蜜. 枕架焊裂原因分析[J]. 理化检验(物理分册), 1999, 35(11): 506-507,516 |
| |
| 作者姓名： | 阎颖 王蜜 |
| |
| 作者单位： | [1]大连铁道学院 [2]大连同车车车辆厂 |
| |
| 摘 要： | 采用断口宏、微观分析以及金相检验等方法，对榨架焊后开裂进行了分析。认为，枕架冽 结晶偏析引志的沿一次结晶晶界发展的结晶裂纹。调整焊接工艺，将焊缝改成宽而浅的几何开头，保证了焊接质量。
|
| 关 键 词： | 枕架 焊接裂纹 结晶裂纹 机车 车体 |
BOLSTER WELDING CRACK ANALYSIS |
| |
| Yan Ying Wang Mi Yang Zhiheng. BOLSTER WELDING CRACK ANALYSIS[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 1999, 35(11): 506-507,516 |
| |
| Authors: | Yan Ying Wang Mi Yang Zhiheng |
| |
| Affiliation: | Yan Ying Wang Mi Yang Zhiheng(Dalian Railway Institute) (Dalian Locomotive and Rolling Stock Works) (Zhuzhou Electric Machine Plant) |
| |
| Abstract: | Bolster welding crack was analysed by fractography and metallographic examination, and was concluded as crystallization crack due to alloying elements segregation. This can be prevented by modification of weld joint from narrow and deep shape to broad and shallow shape, so as to avoid formation of weak area at the center of weld zone. |
| |
| Keywords: | Bolster Welding crack Crystallization crack |
| 本文献已被 CNKI 维普 等数据库收录！ |
