Influence on The Mechanical Properties of TZM Alloy Plate Deformation Degree at Room Temperature
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- Category: Molybdenum knowledge
- Published on 27 March 2015
- Written by limei
- Hits: 320
The degree of deformation is one of the main factors affecting the densification process TZM alloy slab, but also ultimately affect the mechanical properties of TZM alloy plate. TZM alloy sheet during rolling, in order to indicate the compression ratio of the size of the degree of deformation of the material. Compression rate is relatively reduced shrinkage TZM alloy plate section area. Compression ratio divided pass compression rate and total compression ratio. The total compression rate and pass compression ratio on the mechanical properties TZM alloy plate has a great impact. After rolling, the strength of TZM alloy sheet, the elongation increases with the total compression rate improves.
Different rolling pass compression ratio reached 80% of the total compression rate, high compression ratio of pass rolling mechanical properties TZM alloy plates either tensile strength or elongation than the small rolling pass compression ratio is better. This is because large deformation, deformation speed, not only conducive to bridge the powder metallurgy production of TZM alloy plate sintered blank hole inside, the grain is sufficiently deformed broken, and the deformation of tissue blank uniform distribution along the cross-section has been significantly improved , internal defects can be eliminated or reduced. Rolling pass compression rate is small, the deformation will be focused on the plate surface. Outside to the inside, gradually decreasing the amount of deformation, deformation along the cross-section of the uneven distribution of the organization.
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