Flux for brazing

Metal treatment – Compositions – Fluxing

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75 27, B23K 3534

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active

042356490

ABSTRACT:
A fluoride flux for silver brazing comprises an iron powder, a cobalt powder, a nickel powder or a copper powder which has an average diameter of 1-100.mu. in a flux having a main component such as an alkali metal fluoride, an alkali fluoroborate, an alkali metal chloride, an alkali metal borate, etc..

REFERENCES:
patent: 4017339 (1977-04-01), Okuda
patent: 4066478 (1978-01-01), DeHaeck
patent: 4070192 (1978-01-01), Arbib
Okamoto et al., "Studies on Brazability of Electric Contact Chip Materials" Transactions of JWRI, vol. 6, No. 2, pp. 99-105 (1977).
Okamoto et al., "Studies on Flux Action of Silver Brazing (Report I)--Metallic Chlorides--", Transactions of JWRI, vol. 4, No. 2, pp. 119-126 (1975).

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