Recrystallization of heavy metals after cold deformation
Conference
·
OSTI ID:237708
- Israel Inst. of Tech., Haifa (Israel). Dept. of Materials Engineering
Rapid heating experiments, of the order of tens of seconds, were performed on a 90%W-7%Ni-3%Fe alloy, which was cold worked by rotary swaging to 50% reduction in diameter. It was found that even very short periods of heating brings to the separation of the elongated tungsten grains into small round ones, therefore refining the microstructure. The process involves melting of the matrix and its penetration into the tungsten grains. During cooling, very small, new grains are precipitated. It is suggested that grain refining is achieved by penetration of the molten matrix into the solid tungsten grains through subgrain boundaries.
- OSTI ID:
- 237708
- Report Number(s):
- CONF-9510290-; ISBN 1-878954-58-X; TRN: 96:013494
- Resource Relation:
- Conference: International conference on tungsten and refractory metals, their alloys, composites and carbides, McLean, VA (United States), 15-17 Oct 1995; Other Information: PBD: 1996; Related Information: Is Part Of Tungsten and refractory metals 3, proceedings; Bose, A. [ed.] [Parmatech Corp., Petaluma, CA (United States)]; Dowding, R.J. [ed.] [Army Research Lab., Watertown, MA (United States)]; PB: 265 p.
- Country of Publication:
- United States
- Language:
- English
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