Results 141 to 150 of about 10,228 (247)

Verification tests of durable TPS concepts [PDF]

open access: yes
Titanium multiwall, superalloy honeycomb, and Advanced Carbon-carbon (ACC) multipost Thermal Protection System (TPS) concepts are being developed to provide durable protection for surfaces of future space transportation systems.
Pittman, C. M.   +2 more
core   +1 more source

Freckle Formation in Ni-base Superalloys

open access: yesTetsu-to-Hagane, 2009
Koji Kajikawa   +2 more
openaire   +2 more sources

Dynamic oxidation behavior at 1000 and 1100 C of four nickel-base cast alloys, NASA-TRW VIA, B-1900, 713C, and 738X [PDF]

open access: yes
The superalloys NASA-TRW VIA, B-1900, 713C, and 738X were tested cyclically and isothermally for resistance to oxidation in high velocity gas streams for 100 hours at specimen temperatures of 1000 C and 1100 C.
Sanders, W. A.
core   +1 more source

Weldability of Ni-based Superalloys

open access: yes8th International Symposium on Superalloy 718 and Derivatives (2014), 2014
openaire   +1 more source

ON THE FORMATION OF STRAY GRAINS IN DIRECTIONALLY-SOLIDIFIED NI-BASED SUPERALLOYS WITH VARYING CROSS SECTIONS

open access: yesIranian Journal of Materials Science and Engineering, 2017
Formation of stray grain defects particularly around re-entrant features of the turbine blade airfoils is one of the major problems in directional and single crystal solidification processes.
A. Kermanpur   +4 more
doaj  

Creep shear behavior of the oxide dispersion strengthened superalloy MA 6000E [PDF]

open access: yes
The shear rupture life of the oxide dispersion strengthened (ODS) superalloy MA 6000E was determined at 650 and 760 C was 250 MPa. Comparisons were made at 760 C with the conventional cast superalloy B-1900+Hf, the ODS alloy MA 754, and the directionally
Glasgow, T. K.
core   +1 more source

Cost analysis of advanced turbine blade manufacturing processes [PDF]

open access: yes
A rigorous analysis was conducted to estimate relative manufacturing costs for high technology gas turbine blades prepared by three candidate materials process systems.
Barth, C. F.   +2 more
core   +1 more source

Understanding the roles of the strategic element cobalt in nickel base superalloys [PDF]

open access: yes
The United States imports over 90% of its cobalt, chromium, columbium, and tantalum, all key elements in high temperature nickel base superalloys for aircraft gas turbine disks and airfoils. Research progress in understanding the roles of cobalt and some
Dreshfield, R. L., Stephens, J. R.
core   +1 more source

P/M superalloys: A troubled adolescent? [PDF]

open access: yes
The history of powder metallurgy P/M superalloy technology is reviewed with a comment on the state of the art, and speculates on the technology's future potential growth and ...
Dreshfield, R. L., Gray, H. R.
core   +1 more source

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