THERMIT WELDING OF RAIL STEELS.

被引：0

作者：

Ashton, M.E.

机构：

来源：

Railway Engineer | 1977年 / 2卷 / 03期

关键词：

WELDING; -; Thermit;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

British Railways Research & Development Division investigation into rail welding life described deals with importance of correct square-cut rail gaps, preheating and correct tapping to ensure slag separation. Two processes specified include a short-preheat technique that is shown to be particularly suitable for higher-tensile steels. The site joining, basic principles of thermit rail welding, rail end cutting, preheating and tapping time, surface finishing of welds, and mechanical properties of welds are discussed.

引用

页码：40 / 45

共 50 条

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