TZM Alloy Processes

tzm alloyTZM alloy (Titanium Zirconium Molybdenum), is a high temperature alloy, a solid solution hardening and strengthened molybdenum-based alloy particles. A solid solution molybdenum and titanium development and good dispersion of titanium carbide excellent strength properties at temperatures up to 1400 ℃ of TZM recrystallization temperature is about 250 ℃, higher than molybdenum, so TZM (titanium-zirconium-molybdenum alloy) provides a better weldability.

TZM alloy (Titanium Zirconium Molybdenum)Preparation

TZM alloy commonly used preparation methods arc melting - casting and powder metallurgy

Arc melting - casting method is to use the arc melting of pure molybdenum add a certain amount by weight of Ti, Zr and other alloying elements, then a conventional casting method TZM alloy; the law is a high purity powder of molybdenum powder and powder THi2 , ZrH2 powder and graphite powder after mixing proportion by cold isostatic pressing, and then sintered at high temperature under protective atmosphere to obtain a blank TZM alloy.

Blank then after high-temperature hot (hot forging), high-temperature annealing, the temperature in hot (in temperature forging), medium temperature annealing to eliminate stress, then warm rolling (warm forging) to obtain TZM finished material. Billet rolling (forging) process and subsequent heat treatment on the material properties, anisotropy and texture have a greater impact.

TZM alloys are usually prepared rods and plates. Powder metallurgy method can save a vacuum consumable arc furnace, large extrusion machines and hammers and the corresponding high-temperature furnace and other large equipment, so that process can be simplified, production cycles, reduce consumption, production capacity and yield can be improved, so the cost greatly reduced.

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