Results 141 to 150 of about 9,420 (187)
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On Thermal Fatigue of Nickel-Based Superalloys
1996The thermal fatigue (TF) behaviour of two single crystal nickel-based super-alloys, SRR99 and CMSX-4, is reported. Single edge wedge specimens are rapidly heated by induction heating of the wedge tip to a maximum temperature between 1000‡C and 1175‡C and cooled to 200‡C by forced air. A constant cycle period is employed for all experiments.
F Meyer-Olbersleben +2 more
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Rapidly solidified nickel-base superalloys
Journal of Materials Science, 1980The structures of rapidly solidified APK1, In 100 and low-carbon In 792 are described and compared with that of Nimonic 80A. Under identical processing conditions, cellular, dendritic and homogeneous equiaxed structures can be obtained. This is not due to either the influence of cooling conditions or to any single alloying addition, but depends on the ...
J. V. Wood +3 more
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Analysis of the homogenization of a nickel-base superalloy
Scripta Materialia, 2004Abstract The homogenization kinetics of a typical nickel-base superalloy, Waspaloy, were determined and analyzed in terms of a simple diffusion model. Engineering interdiffusion coefficients for titanium, chromium, and cobalt in the nickel solid solution were comparable to previous measurements for Ni–X binary alloys.
S.L. Semiatin +4 more
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Superplasticity of Nickel-based Superalloys
1992Nickel-based alloys are one of the most extensively used groups of heat resistent materials (superalloys) and are frequently found in engines operating at elevated temperatures up to 0.8 T m . The practical significance of nickel-based alloys motivated intense studies on their structure and properties [8.1, 2].
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Abstract This article presents fractographs of nickel-base superalloys that failed by overload, fatigue, stress-corrosion cracking, and embrittlement.
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NICKEL-BASE SUPERALLOY OXIDATION
1967Abstract : A program to determine the phenomenological oxidation behavior of five commercial nickel-base alloys (IN-100, SM-200, Inco 713C, Rene 41, and U- 700) and one experimental alloy (Rene Y) is described to assure the intelligent application of these alloys and aid in the development of alloys with improved surface stability.
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Alloy Design for Nickel-Base Superalloys
1982An alloy design system has been established for γ′ precipitation hardening nickel-base superalloys.
H. Harada +5 more
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Advances in nickel-based cast superalloys
Transactions of the Indian Institute of Metals, 2010Nickel-based superalloys have served as the most competitive high temperature structural materials under highly stressed and aggressive operating conditions in a variety of applications for more than 60 years. The most demanding among all the applications has been the gas turbine aerofoil castings of modern aero-engines.
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