Moderate-temperature brazing filler metal for graphite-base composite material connection and preparation method thereof

Moderate-temperature brazing filler metal for graphite-base composite material connection and preparation method thereof

The invention provides a moderate-temperature brazing filler metal for graphite-base composite material connection and a preparation method thereof, and relates to a moderate-temperature brazing filler metal and a preparation method thereof. The moderate-temperature brazing filler metal is used for...

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Hauptverfasser: ZHANG LIXIA, LI HONGWEI, FENG JICAI, SHI JUNMIAO, TIAN XIAOYU, CAO JIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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creator ZHANG LIXIA
LI HONGWEI
FENG JICAI
SHI JUNMIAO
TIAN XIAOYU
CAO JIAN
description The invention provides a moderate-temperature brazing filler metal for graphite-base composite material connection and a preparation method thereof, and relates to a moderate-temperature brazing filler metal and a preparation method thereof. The moderate-temperature brazing filler metal is used for solving the problems that the existing graphite-base composite material is poor in low temperature brazing effect. The moderate-temperature brazing filler metal comprises the following ingredients in parts by weight: 48-53 parts of Ag, 19-32 parts of Cu, 10-28 parts of Sn and 0.1-7 parts of Ti. The method comprises the following steps of 1, weighting all the ingredients, putting the ingredients into a graphite crucible at a ball-to-ingredient mass ratio of (12-16):1, and performing ball milling for 2-6 hours at room temperature and the rotation rate of 280-320r/min (revolutions per minute) in the presence of argon, so as to obtain mixed powder; and 2, pressurizing the mixed powder for 6-10t to obtain foil, performi
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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title Moderate-temperature brazing filler metal for graphite-base composite material connection and preparation method thereof
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