The welded joint are prepared by QPCJ,THERMIT and civil thermit welding flux.
分别采用QPCJ铝热焊剂、THERMIT铝热焊剂以及国产铝热焊剂在U75V钢轨母材上制备了三种焊接接头,分析研究了接头的合金成分、拉伸和冲击性能。
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