Journal of the Japan Institute of Metals and Materials
Online ISSN : 1880-6880
Print ISSN : 0021-4876
ISSN-L : 0021-4876
Transient Liquid Phase Bonding for Heat Resistant Steels
Masako NakahashiTatsuo YamazakiHiromitsu TakedaMasakatsu Haga
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1985 Volume 49 Issue 4 Pages 285-290

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Abstract

This paper discusses TLP (Transient Liquid Phase) bonding for heat resistant steels, SUS304 and 12Cr-Mo-V-W steel. Two specially designed Fe-base interlayer alloys, which were produced by rapid quenching from the liquid state, were used in this experiment.
SUS304 TLP bonds using 15.7Cr-6Ni-2.8B-Fe interlayer alloy show microstructure and composition equivalent to those for the base metal. Also, the TLP bonds mechanical properties are superior to bonds using commercial Ni-base interlayer alloy (15.0Cr-4.0B-Ni).
12Cr-Mo-V-W steel TLP bonds using 12.0Cr-3.8B-Fe interlayer alloy show almost the same martensite structure as the base metal in contrast to that for Ni-base interlayer alloy, which remains austenitic, even after being diffusion treated at 1323 K for 172.8 ks. Hardness and stress-rupture properties for the bounds using Fe-base interlayer alloy are also equal to those for the base metal.

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© The Japan Institute of Metals
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