Title:
CREEP-RESISTANT, NI-MO-CR ALLOYS
Document Type and Number:
WIPO Patent Application WO/2015/020799
Kind Code:
A3
Abstract:
An essentially Fe- and Co-free alloy is composed essentially of, in terms of weight percent: 6.0 to 7.5 Cr, 0 to 0.15 Al, 0.5 to 0.85 Mn, 11 to 19.5 Mo, 0.03 to 4.5 Ta, 0.01 to 9 W, 0.03 to 0.08 C, 0 to 1 Re, 0 to 1 Ru, 0 to 0.001 B, 0.0005 to 0.005 N, balance Ni, the alloy being characterized by, at 850 °C, a yield strength of at least 25 Ksi, a tensile strength of at least 38 Ksi, a creep rupture life at 12 Ksi of at least 25 hours, and a corrosion rate, expressed in weight loss [g/(cm2sec)]10-11 during a 1000 hour immersion in liquid FLiNaK at 850 °C, in the range of 3 to 10.
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Inventors:
HOLCOMB DAVID E (US)
MURALIDHARAN GOVINDARAJAN (US)
WILSON DANE F (US)
MURALIDHARAN GOVINDARAJAN (US)
WILSON DANE F (US)
Application Number:
PCT/US2014/047776
Publication Date:
May 21, 2015
Filing Date:
July 23, 2014
Export Citation:
Assignee:
HOLCOMB DAVID E (US)
MURALIDHARAN GOVINDARAJAN (US)
WILSON DANE F (US)
MURALIDHARAN GOVINDARAJAN (US)
WILSON DANE F (US)
International Classes:
C22C19/05; C22B9/20; G21C3/07
Foreign References:
| US5529642A | 1996-06-25 | |||
| US4818486A | 1989-04-04 | |||
| US20070284018A1 | 2007-12-13 | |||
| US3576622A | 1971-04-27 | |||
| US7160400B2 | 2007-01-09 |
Attorney, Agent or Firm:
NOVAK DRUCE CONNOLLY BOVE + QUIGG LLP (525 Okeechobee Blvd.Fifteenth Floo, West Palm Beach Florida, US)
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