1. Pure molybdenum (Mo) performance:
1) High elastic modulus
2) Low evaporation pressure
3) Low resistance
4) Molybdenum has high melting point, good thermal conductivity, and low thermal expansion coefficient
5) Good heat resistance and high tensile strength
2. TZM alloy (molybdenum zirconium titanium alloy) has the following advantages over pure molybdenum:
1) Good creep resistance
2) Higher recrystallization temperature than pure molybdenum
3) Better heat resistance and better welding performance
3. MHC alloy (molybdenum hafnium carbon alloy) has the following advantages over TZM alloy:
1) Better creep resistance
2) Higher heat resistance
3) Higher recrystallization temperature
4. Molybdenum lanthanum alloy (MoLa) has the following advantages compared with pure molybdenum:
1) Good welding performance
2) Better creep resistance
3) High recrystallization temperature
4) Good plasticity after high temperature use, not easy to become brittle
5. Molybdenum-yttrium alloy (MY alloy) has the following advantages compared with pure molybdenum:
1) Good welding performance and better oxidation resistance
2) High recrystallization temperature and good adhesion with glass sealing
6. Molybdenum-tungsten alloy (MoW alloy) has the following advantages compared with pure molybdenum:
1) Higher recrystallization temperature
2) Better corrosion resistance to molten metal and higher strength
7. Molybdenum-copper alloy (MCu alloy) Advantages:
1) Small thermal expansion
2) Good thermal and electrical conductivity
