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http://dx.doi.org/10.6111/JKCGCT.2013.23.4.207

A study on the mechanical properties of structure rolled steel and stainless steel for the CO2 welding  

Lim, Jong Young (Department of Mechanical Engineering, Kyungil University)
Yoon, Myung Jin (Department of Mechanical and Automotive Engineering, Kyungil University)
Kim, Tae Hyun (Department of Nano Fusion Technology, Pusan National University)
Kim, Sang Youn (Department of Nano Fusion Technology, Pusan National University)
Kim, Tae Gyu (Department of Nanoechatronics Engineering, Pusan National University)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.23, no.4, 2013 , pp. 207-212 More about this Journal
Abstract
It is well known that fatigue failure occur on welded structures in industrial application due to the repetitive load force. In order to decrease the fatigue failure, we analysed the mechanical properties based on their structural aspect, roll steel (SS 400) welded onto stainless steels (STS 304) by $CO_2$ gas as well as structure roll steel welded onto itself. We compared the hardness, tensile and fatigue properties with two kinds of samples which had no defects on the welding part observed by X-ray topographic analysis. It was recognized that the tensile and fatigue strength of SS 400 welded onto itself by $CO_2$ gas was higher than that of SS 400 welded onto STS 304.
Keywords
$CO_2$ welding; X-ray; Tensile and fatigue strength; Rolled and stainless steel;
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