Weld repair of directionally solidified articles [PDF]
, 2002 A directionally solidified nickel-base superalloy article has a defect therein extending parallel to the solidification direction. The article is repaired by removing any foreign matter present in the defect, and then heating the article to a repair ...
Borne, Bruce L. +2 more
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Directionally solidified eutectic alloy gamma-beta [PDF]
A pseudobinary eutectic alloy composition was determined by a previously developed bleed-out technique. The directionally solidified eutectic alloy with a composition of Ni-37.4Fe-10.0Cr-9.6Al (in wt%) had tensile strengths decreasing from 1,090 MPa at ...
Tewari, S. N.
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The effects of temperature gradient and growth rate on the morphology and fatigue properties of MAR-M246(Hf) [PDF]
MAR-M246(Hf) is a nickel based superalloy used in the turbopump blades of the Space Shuttle main engines. The effects are considered of temperature gradient (G) and growth rate (R) on the microstructure and fatigue properties of this superalloy.
Alter, W. S. +3 more
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Creep shear behavior of the oxide dispersion strengthened superalloy MA 6000E [PDF]
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.
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Secondary arm coarsening and microsegregation in superalloy PWA-1480 single crystals: Effect of low gravity [PDF]
Single crystal specimens of nickel base superalloy PWA-1480 were directionally solidified on ground and during low gravity (20 sec) and high gravity (90 sec) parabolic maneuver of KC-135 aircraft.
Curreri, P. A. +3 more
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Nicral ternary alloy having improved cyclic oxidation resistance [PDF]
, 1982 NiCrAl alloys are improved by the addition of zirconium. These alloys are in the Beta or gamma/gamma' + Beta region of the ternary system. Zirconium is added in a very low amount between 0.06 and 0.20 weight percent.
Barrett, C. A. +2 more
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Studies of the Influence of Beam Profile and Cooling Conditions on the Laser Deposition of a Directionally-Solidified Superalloy. [PDF]
Materials (Basel), 2018 Yang S, Du D, Chang B.
europepmc +1 more source
Crack Inhibition and Performance Modification of NiCoCr-Based Superalloy with Y2O3 Nanoparticles by Laser Metal Deposition. [PDF]
Materials (Basel), 2023 Li X +5 more
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An oxide dispersion strengthened alloy for gas turbine blades [PDF]
The strength of the newly developed alloy MA-6000E is derived from a nickel alloy base, an elongated grain structure, naturally occurring precipitates of gamma prime, and an artificial distribution of extremely fine, stable oxide particles.
Glasgow, T. K.
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Effect of Withdrawal Rate on Solidification Microstructures of DD9 Single Crystal Turbine Blade. [PDF]
Materials (Basel), 2023 Xue Y +5 more
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