Effect of Pulse Frequency on Microstructure of 21% Cr Ferritic Stainless Steel in Pulsed Gas Tungsten Arc Welding

Thin plates of 21% Cr ferritic stainless steel welded by pulsed gas tungsten arc welding at different pulse frequencies were investigated for the microstructure characteristics and hardness behavior. The welds contained columnar grains in the outer part and fine equiaxed grains in the central region...

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Veröffentlicht in:	Transactions of Tianjin University 2013-04, Vol.19 (2), p.127-129
1. Verfasser:	胡绳荪韩瑞峰申俊琦韩俭许海刚
Format:	Artikel
Sprache:	eng
Schlagworte:	Engineering Humanities and Social Sciences Mechanical Engineering multidisciplinary Science 微观结构柱状晶粒等轴晶粒脉冲气体脉冲钨极氩弧焊脉冲频率铁素体不锈钢
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Beschreibung
Zusammenfassung:	Thin plates of 21% Cr ferritic stainless steel welded by pulsed gas tungsten arc welding at different pulse frequencies were investigated for the microstructure characteristics and hardness behavior. The welds contained columnar grains in the outer part and fine equiaxed grains in the central region due to the pulsed process.
ISSN:	1006-4982 1995-8196
DOI:	10.1007/s12209-013-1803-4