Titanium Zirconium Molybdenum Alloy Strengthening Mechanism
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- Category: Molybdenum knowledge
- Published on 27 July 2015
- Written by yiping
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Titanium zirconium molybdenum alloy (TZM) has high melting point, high strength, high elastic modulus, linear expansion coefficient, low vapor pressure, good thermal conductivity and corrosion resistance advantages, which is high-temperature alloys and commonly used in many fields in molybdenum-based alloys. The strengthening mechanism of titanium zirconium molybdenum alloy can using Ti in molybdenum solid solution to realize solid solution strengthening, or to achieve the dispersion strengthened by using zirconium carbide or oxide, as well as subsequent press working to achieve deformation strengthening.
Solid solution strengthening will happen when Ti, Zr, C atoms into molybdenum lattice to distorted molybdenum lattice. Wherein the solvent elements and solute elements element atoms are more difference, the solid solution strengthening effect is more obvious.
During studies alloys found alloys containing carbon second strengthening mechanism which is the prerequisite for form the dispersed carbide phase. Besides，a various characteristics of carbide phase plays an important role in terms of strengthening. For example, these characteristics may affect the distribution, precipitation characteristics and the amount of carbide phase.
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