High-Temperature Properties of Molybdenum-Rich Alloy Compositions Made by Powder Metallurgy Methods

W. Bruckart; R. Jaffee

doi:10.1520/STP44992S

SYMPOSIA PAPER Published: 01 January 1956

STP44992S

High-Temperature Properties of Molybdenum-Rich Alloy Compositions Made by Powder Metallurgy Methods

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Molybdenum compositions made by powder metallurgy methods with metallic and oxide additions were studied. The effects of these additions on creep-rupture properties and on resistance to recrystallization are described. Results showed that nonmetallic dispersions provided greater increases in rupture time than solid solution additions. Outstanding among the nonmetallics were ZrO₂ and TiO₂. Silicon was the outstanding metallic alloying addition. At 1800 F, some of the oxide additions increased the rupture strength of molybdenum almost fourfold. The best metallic additions were considerably less effective than the best oxide additions.

Author Information

Bruckart, W., L.

Universal-Cyclops Steel Corp., Bridgeville, Pa

Jaffee, R., I.

Nonferrous Physical Metallurgy Div., Battelle Memorial Inst., Columbus, Ohio

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Details

Developed by Committee: E01

Pages: 111–134

DOI: 10.1520/STP44992S

ISBN-EB: 978-0-8031-5933-4

ISBN-13: 978-0-8031-6087-3

High-Temperature Properties of Molybdenum-Rich Alloy Compositions Made by Powder Metallurgy Methods

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