Hardened nickel-chromium-titanium-aluminum alloy with good wear resistance, creep resistance, corrosion resistance and workability

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United States of America Patent

PATENT NO 11098389
APP PUB NO 20160312341A1
SERIAL NO

15104306

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Abstract

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Hardened nickel-chromium-titanium-aluminum wrought alloy contains, (in mass %) 5-35% chromium, 1.0-3.0% titanium, 0.6-2.0% aluminum, 0.005-0.10% carbon, 0.0005-0.050% nitrogen, 0.0005-0.030% phosphorus, max. of each (next eleven) 0.010% sulfur 0.020% oxygen 0.70% silicon 2.0% manganese 0.05% magnesium 0.05% calcium 2.0% molybdenum 2.0% tungsten 0.5% niobium 0.5% copper 0.5% vanadium, 0-20% Fe, 0-15% cobalt, 0-0.20% Zr, 0.0001-0.008% boron, the remainder nickel and usual impurities. The nickel content is greater than 35%.

description='In-line Formulae' end='lead'Cr+Fe+Co≥26% fh≥0 fh=6.49+3.88 Ti+1.36 Al−0.301 Fe+(0.759−0.0209 Co) Co−0.428 Cr−28.2 C.description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
VDM METALS INTERNATIONAL GMBH58791 WERDOHL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattendorf, Heike Werdohl, DE 26 81
Kloewer, Jutta Duesseldorf, DE 12 41

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