Powder Consolidation of Titanium and Titanium Alloys by a Powder Compact Forging Process
Powder compact forging in combination with induction sintering, a field assisted sintering technique (FAST), was used to produce commercially pure (CP) Ti and Ti-13V-11Cr-3Al parts. Green powder compacts with high relative density were manufactured by cold compaction and warm compaction, respectively. During the powder compact forging process, CP titanium powder was consolidated completely to produce a near net shaped top cover for a diving helmet with full density and good mechanical properties. Also, a Ti-13V-11Cr-3Al alloy was fully consolidated into a cylinder using blended elemental powders. As a comparison, raw titanium powder with different oxygen contents was used to make a Ti-13V-11Cr-3Al powder compact forging. Using a starting powder with low oxygen content, a forged cylinder with good mechanical properties was produced.
Thomas Ebel and Florian Pyczak
M. T. Jia and B. Gabbitas, "Powder Consolidation of Titanium and Titanium Alloys by a Powder Compact Forging Process", Key Engineering Materials, Vol. 704, pp. 68-74, 2016