Material Introduction
TZM Molybdenum Alloy
Material Introduction
The main component of TZM molybdenum alloys is Mo-(0.4-0.55)%Ti-(0.06-0.12)%Zr-(0.01-0.04)%C; that is, Ti, Zr and C elements are added to pure molybdenum. These trace elements form solid solutions of Mo-Ti and Mo-Zr, with dispersed TiC and ZrC particles in the molybdenum structure. This strengthens the solid solution and dispersion on the molybdenum alloy and improves the recrystallization temperature and high-temperature mechanical properties of pure molybdenum.
Specifications and Performance
|
Material |
Bar (mm) |
Plate (mm) |
|
TZM |
Φ 1~150 |
0.5~50 |
|
Material |
Tensile strength at room temperature/MPa |
Elongation at room temperature |
Tensile strength at 1000°C |
1000℃ elongation |
|
molybdenum alloy |
750 |
20% |
400 |
20% |
|
Notes |
30mm diameter bar |
|||
Fabrication Process
By means of molybdenum alloy powder preparation, isostatic pressing, high temperature sintering and thermal deformation processing, TZM molybdenum alloys have a density which is close to the theoretical density. This ensures optimal high temperature performance.
Advantage
Due to the solid solution strengthening and dispersion strengthening of the Ti and Zr alloy elements, TZM molybdenum alloys have greatly improved the high-temperature mechanical properties and recrystallization temperature. Compared with pure molybdenum, the recrystallization temperature (1,100℃) is increased to 1,300℃, and the high temperature mechanical properties at 1,000℃ are twice those of pure molybdenum.
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