The thermal expansion coefficient of titanium-zirconium-molybdenum (TZM) alloy is about 5.6×10^-6/℃ in the temperature range from room temperature to 1000℃, and the specific value may also be slightly different, depending on the ratio of each element in the alloy and the preparation process. This coefficient of thermal expansion is slightly lower than that of pure molybdenum, because the addition of zirconium and titanium can change the lattice structure and atomic arrangement of the alloy, thereby affecting the thermal expansion properties of the alloy. The thermal expansion coefficient of titanium-zirconium-molybdenum alloy is small, indicating that it has good thermal stability and dimensional stability in high temperature environments, and is not prone to problems such as deformation or cracks. This is one of the reasons why TZM alloys are widely used in high temperature, high pressure and corrosive environments.
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