Nickel based filler metal for brazing

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United States of America Patent

APP PUB NO 20040009090A1
SERIAL NO

10615767

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Abstract

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To provide a nickel based brazing filler metal which does not contain at all boron (B) or phosphorus (P) that is likely to form a hard and brittle compound in the brazed layer, in which the liquidus is lowered below 1,100.degree. C. by adding a small amount of silicon (Si) and is abundant in ductility, heat-resistance and corrosion resistance. This is attained by a nickel based brazing filler metal characterized by containing manganese (Mn) of 13 to 20% by wt. and silicon (Si) of 5 to 7% by wt. added as melting point depression elements and chrome (Cr) of 16 to 21% by wt. and the balance consisting of nickel (Ni) and the impurities.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL SPACE DEVELOPMENT AGENCY OF JAPANTSUKUBA SPACE CENTER 1-1 SENGEN 2-CHOME TSUKUBA-SHI IBARAKI
JAPAN WELDING ENGINEERING SOCIETY THE1-11 KANDASAKUMACHO CHIYODA-KU TOKYO 101-0025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sasabe, Ken Tokyo, JP 2 21
Shirai, Makoto Tokyo, JP 33 268
Watanabe, Takehiko Tokyo, JP 19 137

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