Molybdenum-Hafnium-Carbon (MHC): High‑Temperature, Particle‑Reinforced Alloy
MHC (Molybdenum-Hafnium-Carbon) is a particle-reinforced molybdenum-based alloy which contains both hafnium and carbon. Thanks to the uniformly distributed, extremely fine carbides, the material benefits from outstanding heat and creep resistance and, at 1550 °C, the maximum recommended temperature of use is 150 °C higher than that of TZM.
Properties
Thermal
| Property | Value |
|---|---|
Max service temperature | 1550 °C |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.05 - 0.12 % |
Hafnium | 1.2 % |
Molybdenum | balance |
Technological properties
| Property | ||
|---|---|---|
| Application areas | MHC is used in metal forming applications, for example. When used in extrusion dies, it is able to withstand extreme thermal and mechanical loads. | |
| Other | Molybdenum-hafnium carbide (MHC) is highly temperature-resistant, has a high level of thermal conductivity, a low coefficient of thermal expansion and a high recrystallization temperature. MHC retains its shape even when used at temperatures of up to 1550 °C. | |
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