The characteristics of hot swaged NiAl intermetallic compounds with ternary additions consolidated by HIP techniques

Book · Sat Dec 30 23:00:00 EST 1995

OSTI ID:186757

Ishiyama, S; Eto, M ^[1]; Mishima, Y; Miura, S ^[2]; Suzuki, T ^[3]

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1. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan)
2. Tokyo Inst. of Tech. (Japan)
3. Hokkaido Univ., Sapporo (Japan)

Stoichiometric and non-stoichiometric NiAl intermetallics with ternary additives, such as Ti, Zr, Hf, V, Nb, Ta, Cr, Mo or Mo/e, W, Mn, Fe, Cu and B, fabricated with the combination of Hot Isostatic Pressing (HIP) and hot swaging techniques have been investigated. The mechanical properties of hot swaged NiAl with various ternary additives, consolidated by ion beam casting or HIP techniques, have been tested at temperatures ranging from R.T. to 1,000 C. It is found that significant tensile elongation at room temperature can be achieved by hot swaged as-HIP`ed NiAl compounds with Mo or Mo/Re additives, whereas cast and hot swaged compounds with Mo addition resulted in some elongation above 400 C.

• OSTI ID: 186757
• Report Number(s): CONF-950201--; ISBN 0-87339-316-3
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM ALLOYS
BORON ADDITIONS
CASTING
DUCTILE-BRITTLE TRANSITIONS
ELONGATION
EXPERIMENTAL DATA
GRAIN BOUNDARIES
GRAIN SIZE
HARDNESS
HOT PRESSING
INTERMETALLIC COMPOUNDS
MECHANICAL PROPERTIES
MICROSTRUCTURE
NICKEL ALLOYS
OPTICAL MICROSCOPY
POWDERS
SWAGING
TENSILE PROPERTIES
TRANSITION ELEMENTS