What Is TZM Metal?
Jan 19, 2024
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What is TZM metal?
TZM, an acronym for the molybdenum alloy "titanium-zirconium-molybdenum", is a molybdenum alloy containing 0.5% titanium, 0.08% zirconium, 0.02% carbon and the balance molybdenum. TZM, like pure molybdenum, can be produced by powder metallurgy or arc-cast processes.
Propertities of TZM alloy:
| Material | Density(g/cm3) | Melting Point(℃ ) | Boiling Point(℃ ) |
| TZM | 10.22 | 2617 | 4612 |
Mechanical properties of TZM alloy:
| Mechanical properties | Elongation/% | Modulus elasticity/GPa | Yield strength/MPa | Tensile strength /MPa | Fracture toughness/(MPa·m1/2 |
| Datas | <20 | 320 | 560-1150 | 685 | 5.8-29.6 |
High temperature tensile strength and elongation of TZM alloy
| Temperature/℃ | Tensile strength/MPa | Elongation/% |
| RT | 1140-1210 | 7.5-13.0 |
| 1000 | 700-720 | 5.2 |
| 1200 | 320-360 | 9.0 |
| 1300 | 190-210 | 11.5-13.5 |
| 1400 | 140-170 | 11.0-16.0 |
Thermal and electrical properties of TZM alloys
| Properties | Coefficient of thermal expansion/K-1 (20~100℃) |
Thermal conductivityW /m·K | Working temperature/℃ | Resistivity/Ω·m |
| Datas | 5. 3×10-6 | 126 | 400 | (5. 3~5. 5)×10-8 |
