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首页> 外文期刊>International Journal of Pressure Vessels and Piping >Review of weld repair procedures for low alloy steels designed to minimise the risk of future cracking
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Review of weld repair procedures for low alloy steels designed to minimise the risk of future cracking

机译：审查低合金钢的焊接修复程序，该程序旨在最大程度地减少将来开裂的风险

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摘要

Weld repairs to aged and degenerated materials are prone to early failure on return to service unless strict preparation and controlled welding procedures are followed. This paper reviews and appraises the practical weld repair procedures, which have been developed or are currently being considered, for low alloy ferritic steels used within the Power, Petrochemical and Refinery Industries. The half-bead and temper-bead approaches both manual and automatic are considered in detail. The alternative use of high nickel weld fills for repair welding of low alloy ferritic base materials are also considered. Some conclusions about the expected life of repair welds are drawn from recently sponsored projects.
机译：除非遵循严格的准备工作和受控的焊接程序，否则对陈旧和变质材料的焊缝修复很容易在恢复服务后尽早失效。本文回顾并评估了电力，石化和炼油工业中使用的低合金铁素体钢的实际焊接修复程序，该程序已经开发或正在考虑中。详细考虑了手动和自动的半焊道和回火焊道方法。还考虑了将高镍焊缝填料用于低合金铁素体基础材料的补焊。关于维修焊缝的预期寿命的一些结论来自最近赞助的项目。

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