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Journal of KWJS 2005;23(1):35-40.
Published online April 29, 2005.
[기술논문] 알루미늄 철도차량 차체 용접부의 강도 특성에 관한 연구
 
A Study on the Strength Characteristics of Welded Joints in Aluminum Carbody of Rolling Stock
Sung-Il Seo
Abstract
In this paper, static and fatigue load tests for the specimens, components and carbody were carried out to investigate the strength of welded joints in aluminum rolling stock. Tensile test results showed that the static strength of welded joint for the heat-treated alloy is reduced significantly and fatigue strength data are scattered by the welding imperfections. Component and whole carbody fatigue test results showed agreements with the design fatigue strength standards for specimens of the same joint detail. Test results revealed that full penetration welding and strict management of welding procedure are crucial for securing the strength of welded joint in aluminum carbody.
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