Results 81 to 90 of about 2,116 (231)
Directionally solidified article with weld repair [PDF]
, 2003 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
core +1 more source
Process Optimization in Laser Welding of IN792 DS Superalloy
MetalsNi-base superalloys are employed to produce parts of aeronautic engines, space vehicles and power plants. During the production process or lifetime of components, cracks may occur which affect their performance.
Giuseppe Barbieri +7 more
doaj +1 more source
Nihon Kikai Gakkai ronbunshu, 2016 Low cycle fatigue tests at elevated temperature were conducted on a Ni-based directionally solidified superalloy with small holes subjected to transverse loading.
Takashi YOKOYAMA, Masaru SEKIHARA
doaj +1 more source
The promise of eutectics for aircraft turbines [PDF]
The current status of the first generation eutectics, gamma/gamma transition - delta and NiTaC-13, is described in detail. Several second generation systems, such as gamma/gamma transition - alpha and NiTaC 3-116A, gamma - beta, and COTAC 74 are also ...
Gray, H. R.
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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
core +1 more source
Constitutive Modeling of Superalloy Single Crystals and Directionally Solidified Materials [PDF]
A unified viscoplastic constitutive relation based on crystallographic slip theory was developed for the deformation analysis of nickel base face centered cubic superalloy single crystals at elevated temperature.
Jordan, E. H., Walker, K. P.
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Chinese Journal of Mechanical EngineeringCreep is one of the most typical failure modes for the turbine blades of an aero-engine. The microstructure of the turbine blades after long-term service can be adjusted by rejuvenation heat treatment (RHT) to restore its creep properties.
Rongqiao Wang +6 more
doaj +1 more source
Review of status and potential of tungsten-wire: Superalloy composites for advanced gas turbine engine blades [PDF]
The current status of development of refractory-wire-superalloy composites and the potential for their application to turbine blades in land-based power generation and advanced aircraft engines are reviewed.
Signorelli, R. A.
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Progress in advanced high temperature turbine materials, coatings, and technology [PDF]
Material categories as well as coatings and recent turbine cooling developments are reviewed. Current state of the art is identified, and as assessment, when appropriate, of progress, problems, and future directions is ...
Ault, G. M., Freche, J. C.
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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
core +1 more source