Oxygen changes crack modes of Ni-based single crystal superalloy
Materials Research Letters, 2021 Oxygen-affected cracking commonly presents on thin Ni-based single crystal superalloy components serving in high temperature and oxidizing environments.
Xueqiao Li +15 more
doaj +1 more source
Recrystallization of single crystal superalloy CMSX-4 casting
Cailiao gongcheng, 2023 Single crystal plate castings of superalloy CMSX-4 were prepared, providing simplified geometries of turbine blades featured with five stage platforms. The recrystallization behavior in the plate castings was investigated after solution heat treatments ...
XU Fuze +5 more
doaj +1 more source
Static and dynamic aspects of coupling between creep behavior and oxidation on MC2 single crystal superalloy at 1150 °C [PDF]
, 2005 Creep tests were performed on thin wall specimens made of MC2 single crystal superalloy at 1150 °C and under controlled atmosphere. The results highlight the deleterious oxidation effect on creep properties.
Andrieu, Eric +3 more
core +2 more sources
Crystals, 2022 In superalloys, topologically close–packed (TCP) phases, which contain refractory elements, usually significantly influence the mechanical properties. The current work investigates the structure and composition of the TCP phase in an Al–Mo–rich Ni–based ...
Wenqi Guo +10 more
doaj +1 more source
Influence of Environment on Creep Properties of MC2 Single Crystal Superalloy at 1150°C [PDF]
, 2004 In order to reveal the effect of oxidation on thin blade walls, a new machine allowing tests up to 1250°C under controlled atmosphere has been designed.
Andrieu, Eric +4 more
core +1 more source
Microstructure and mechanical properties of a new nickel-based single crystal superalloy
Journal of Materials Research and Technology, 2020 To obtain higher comprehensive mechanical properties while avoid the adverse effects of Re element on the microstructure and economy of the alloy, a Re-free nickel-based single crystal superalloy is developed based on the Rene N5 single crystal ...
Zhao Shang +7 more
doaj +1 more source
Design of variable withdrawal rate for superalloy single-crystal blade fabrication
Materials & Design, 2021 Stray grains bring great challenges to the production of superalloy single-crystal blades using the Bridgman method. The height difference between the liquidus isotherms in the airfoil and platform, which is induced by the difference between liquidus ...
Neng Ren +5 more
doaj +1 more source
Effect of long-term thermal exposure on microstructure and creep properties of DD5 single crystal superalloy [PDF]
China Foundry, 2021 The effect of thermal exposure on the microstructure and creep properties of the Ni-based single crystal superalloy in different test conditions was studied.
Xu-dong Wang, Zhong Yang, Qiang Gao
doaj +1 more source
Femtosecond laser micromachining of a single-crystal superalloy
Scripta Materialia, 2004 Investigations on femtosecond laser micromachining of single crystal superalloys with and without plasma-sprayed thermal barrier coatings were conducted under laser fluences ranging from 0.1 J/cm 2 up to 160 J/cm 2 . Micromachining was carried out in air using a titanium:sapphire laser system (O = 780 nm) operating at a repetition rate of 1 kHz and ...
Q. Feng +5 more
openaire +1 more source
Isothermal Oxidation Behaviour of NiCoCrAlYTa Coatings Produced by HVOF Spraying and Tribomet™ Process [PDF]
, 2013 Protective NiCoCrAlYTa coatings are used on gas turbine single crystal superalloy blades to provide environmental resistance. They can be deposited by several processes.
Bétaille-Francoual, Marie +4 more
core +2 more sources