Titanium-Zirconium-Molybdenum (TZM) Alloy

Aug 7 2013

Topics Covered

Introduction
Chemical Composition
Applications

Introduction

Molybdenum-titanium-zirconium (TZM) alloys contain small amounts of titanium and zirconium doped with small amounts of very fine carbides. This alloy functions most efficiently in temperature ranges of 700-1400°C (1292-2552°F). TZM alloy is much stronger than pure molybdenum. The crystallization temperature and creep resistance of this alloy is also much higher than pure molybdenum.

This datasheet will look into the chemical composition, properties and applications of Plansee TZM molybdenum-tungsten alloy.

Chemical Composition

The chemical composition of TZM alloy is given in the following table.

Element Content (%)
Molybdenum, Mo 99.38-99.41
Titanium, Ti 0.5
Zirconium, Zr 0.08
Carbon, C 0.010-0.040

Applications

TZM alloy is used in the following applications:

  • High temperature applications with heavy mechanical load
  • Forging tools
  • Rotating anodes in X-ray tubes.

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