TZM Alloy Steel Mold Pressing
- Details
- Category: Molybdenum knowledge
- Published on 01 September 2015
- Written by yiping
- Hits: 387
Powders presses molding commonly methods are: steel mold pressing, fluid isostatic pressing, powder forging, tri-axial pressing molding and vibratory pressing. There will introduce using steel mold pressing method to press TZM alloy billet.
TZM alloy powder has pressure under pressing and with pressing pressure increase the voids reduce. The alloy billets have certain strength under the effect of powder mechanical powder and the gravitation of surface atoms. Powder particles have certain domain switching poweder , when pressed steel, the pressure of powder during compact distribution is uneven, because powder particles rub against each other, live with each other deed, so that the pressure in the transverse direction is not perpendicular to the direction of transfer much smaller. Powder and die wall during the pressing process also generates friction with the pressing pressure increases, therefore, at the height of compacts any significant pressure drop, the pressure near the die is much larger than the cross section away from his part, Meanwhile compact center and the edge portion of the pressure difference exists. So that different portions of billet steel stamped densification degree should not make large size alloy ingot.
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