The Effect of Deformation On Tzm Alloy Sheet
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- Category: Molybdenum knowledge
- Published on 03 April 2015
- Written by limei
- Hits: 224
TZM alloy sheet prepared by powder metallurgy after hot-rolled, deformation occurs; deformation has a significant impact on the TZM alloy:
1. TZM alloy prepared by powder metallurgy method and hot- rolled, whether or not TZM alloy tensile deformation contain intergranular brittle fracture increases with the deformation of the grain boundary binding force gradually increased performance by intergranular fracture to intergranular brittle fracture toughness, and transgranular quasi-cleavage fracture transition. ;
2. With the increase of TZM alloy deformation, machining state increased fibrous tissue, enhanced mechanical properties, uniform dispersion of carbide alloy TZM, raise the degree of dispersion, the grain boundary binding force increases, so the mechanical properties of TZM alloy is improved.
3 When deformation of TZM alloy is large, the grain becomes small, evenly dispersed carbide phase, dispersion and high material defects in the internal pores greatly reduced mechanical properties at room temperature can be significantly improved. Therefore, TZM alloy sheet in preparation carried out by Powder Metallurgy after rolling process is necessary to the production process.
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