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.
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页码：40 / 45
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