Titanium-based brazing alloy fittings graphite and TZM
- Details
- Category: Molybdenum knowledge
- Published on 25 March 2015
- Written by limei
- Hits: 218
Graphite is a low atomic weight materials, having a relatively low density, high sublimation point (3850 ℃), composite materials many advantages high heat conductivity, high thermal capacity and excellent impact resistance, etc., graphite and tungsten, molybdenum alloy metal matrix consisting of , thermal performance has graphite, low-density advantages. Especially in some high-speed rotating member, to ensure the cooling while reducing the quality of the parts.
Adding molybdenum metal Ti, Zr, and other trace elements, including alloy mainly composed of 99.4% Mo, 0.47% Zr, 0.1% Ti (mass fraction), molybdenum alloy powder metallurgy process after forming alloying called TZM alloy, It has good mechanical properties, thermal physical properties, thermal conductivity, electrical conductivity than other refractory metals, the use of titanium foil for solder wetting can be a good parent material graphite and TZM by interfacial reaction and TLP diffusion bonding for good Brazing organization in the field of aerospace and nuclear industry has a broad application prospects.
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