Investigation of Roughness Effects on the Tensile Strength of Brazed Joint

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概要

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• This paper presents some experimental evidence that the roughess of base metal machined by mechanical process affects the butt joint strength of mild steel brazed with BAg8 filler metal. Tensile test of these specimens gave the results as follows : (1) Tensile strength of specimen machined by milling cutter was very high, its value being 45.12kg/mm^2. But, the strength of specimen ground by WA60, WA80 grinding wheel and other process was lower, its value being about 37∿38 kg/mm^2. (2) These results indicated that the tensile strength of a coarse suface specimen was higher than that of a smooth surface specimen. (3) Most of specimens were failured at the filler metal zone as shown in Poto2. Also, studies on speradability of filler metal on the base metal machined by mechanical process were conducted.

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著者

• Suezawa Yoshifumi

  Faculty Of Engineering Nihon University

関連論文

• Investigation of Roughness Effects on the Tensile Strength of Brazed Joint
• Effects of Roughness on the Soldered Joint Strength

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