Study of electromagnetic stirring refining microstructures of pipe-line steel SAW deposits

被引：0
|
作者：
Zhang, Y. [1 ]
Qian, B.N. [1 ]
Guo, X.M. [1 ]
机构：
[1] Shenyang Univ. of Technol., Shenyang 110023, China
来源：
Acta Metallurgica Sinica (English Letters) | 2002年 / 15卷 / 04期
关键词：
Electric arc welding - Metallographic microstructure - Pipelines - Submerged melt welding;
D O I：
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中图分类号：
学科分类号：
摘要：
The effects of electomagnetic stirring on the microstuctures of pip-line steel SAW deposited metal were investigated. The result showed that electromagnetic stirring increased the number density of inclusions with 0.2-0.6 μm in diameter and promoted the formation and refining of acicular ferrite within austenite grains. The low temperature toughness of deposited metal was improved.
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页码：396 / 400
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