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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한용접·접합학회 대한용접·접합학회지 大韓熔接·接合學會誌 第26卷 第2號
발행연도
2008.4
수록면
50 - 54 (5page)

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The wearplate with Cr-C has been used in condition of severe abrasion. Recently, the demand of wearplate made by hardfacing with Cr-C has increased in the world, but it is lack of supply and expensive due to low productivity. CMAW (Compound Metal Arc Welding) is very useful process of several welding methods to make wearplate.
In this paper, twin torch CMAW to use twin torch at the same time was developed to improve productivity and to ensure quality of wear plate. When the distance between two touches was smaller than 30mm, arc blow was occurred. However when the distance was larger than 35mm, there was no arc blow any more. If the oscillation path of each torch was overlapped together, the melt through at the overlapped zone was occurred due to concentrated heat input in substrate. On the other hand, the turning point of each torch was open more than 5mm, separated bead was generated. Therefore twin torch CMAW which has adequate conditions was able to make wearplate having flatter surface at the bead connection than single torch.

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Abstract
1. 서론
2. 사용재료 및 실험방법
3. 실험 결과 및 고찰
4. 결론
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