Results 71 to 80 of about 2,090 (211)
MetalMat, Volume 2, Issue 3, September 2025.Expanded austenite is a supersaturated solid solution of nitrogen and/or carbon in a metal face‐centered cubic lattice, produced by surface treatments at low temperatures. The review discusses the characteristics and properties of this phase formed on austenitic stainless steels, nickel and cobalt alloys and entropy alloys, highlighting the ...
Francesca Borgioli
wiley +1 more source
Metal matrix composites for aircraft propulsion systems [PDF]
Studies of advanced aircraft propulsion systems have indicated that performance gains and operating costs are possible through the application of metal matrix composites.
Signorelli, R. A.
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Effect of the cooling rate on microstructure and hardness of MAR-M247 Ni-based superalloy [PDF]
, 2012 The effect of cooling rate on the microstructure of MAR-M247 Ni-based superalloy was investigated via physical simulation of the casting process. Solidification experiments with cooling rates in the range of 0.25–10 K/s showed smooth temperature profiles
Chen +20 more
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Journal of Advanced Materials in Engineering, 2020 In this study, the effect of Ta/W ratio on the microstructure and stress rupture properties of Ni-based single crystal (SX) superalloy PWA1483 was investigated. For this purpose, single crystal (SX) superalloys with different Ta/W ratios (0.75, 1.0, 1.32
A. Borouni, A. Kermanpur
doaj
Longitudinal shear behavior of several oxide dispersion strengthened alloys [PDF]
Two commercial oxide dispersion strengthened (ODS) alloys, MA-753 and MA-754, and three experimental ODS alloys, MA-757E, MA-755E, and MA-6000E, were tested in shear at 760 C. Comparisons were made with other turbine blade and vane alloys. All of the ODS
Glasgow, T. K.
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Tensile Behavior of Long-term Aged Nickel-base Superalloy
High Temperature Materials and Processes, 2015 The microstructural change of directionally solidified nickel-base superalloy which was aged at 900 °C for 1500 hours and tensile behavior at different temperatures were investigated by scanning electron microscope (SEM) and transmission electron ...
Xia P. C., Chen F. W., Xie K., Yu J. J.
doaj +1 more source
Progress in advanced high temperature materials technology [PDF]
Significant progress has recently been made in many high temperature material categories pertinent to such applications by the industrial community. These include metal matrix composites, superalloys, directionally solidified eutectics, coatings, and ...
Ault, G. M., Freche, J. C.
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Calibration approach to electron probe microanalysis: A study with PWA-1480, a nickel base superalloy [PDF]
The utility of an indirect calibration approach in electron probe microanalysis is explored. The methodology developed is based on establishing a functional relationship between the uncorrected k-ratios and the corresponding concentrations obtained using
Terepka, F. M. +2 more
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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
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Effect of Y on Oxidation Behavior of Directionally Solidified Ni-Based Single-Crystal Superalloy
Chinese Journal of Mechanical EngineeringThe effect of yttrium (Y) addition on the oxidation behavior of a Ni-based directionally solidified single-crystal superalloy is investigated in this study. Isothermal oxidation tests for samples with different levels of Y addition are conducted at 1100 °
Zihan Zhao +4 more
doaj +1 more source