CYCLIC SINTERING OF METALS.
Abstract
A recent publication indicated that a thermal cyclic sintering treatment for titanium compacts greatly increased the final density. This observation was made in the course of experiments involving dilatometric measurements made during the thermal cycling of compacts of nickel, copper, titanium, and molybdenum powders. It was believed that the improved densification was a result of thermal cycling above thhe below the transformation temperature (1607F) for titanium. To substantiate this hypothesis, experimentation was conducted on metals which exhibit allotropic transformation; titanium, iron, and cobalt were selected as the model materials. Comparisons are made in the properties achieved through isothermal and thermal cycling sintering treatments. This study substantiated reported results; however, thermal cycling above and below the transformation temperatures provided no improvements in properties nor engineering advantages over conventional isothermal sintering. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 29, 1964
- Accession Number
- AD0612270
Entities
People
- Robert A. Powell