Results 11 to 20 of about 9,930 (219)

Research progress in effect of Ru on solidification characteristics, precipitation of topologically close-packed phases and creep property of nickel-based single crystal superalloy

Cailiao gongcheng, 2022
Nickel-based single crystal superalloys are widely used for hot components of advanced turbine engines due to their excellent mechanical properties at elevated temperature.
CAO Kaili, YANG Wenchao, QU Pengfei, HUANG Taiwen, GUO Min, SU Haijun, ZHANG Jun, LIU Lin   +7 more
doaj   +1 more source

Current situation of research on test methods for elastic modulus and Poisson’s ratio of single crystal superalloys

Journal of Aeronautical Materials, 2019
In view of the anisotropic characteristics of elastic constants of single crystal superalloys and other materials, this paper summarizes two main existing testing methods for measuring elastic moduli and Poisson’s ratio of single crystal superalloys ...
ZHAO Pengtao, YU Huichen, HE Yuhuai
doaj   +1 more source

Molecular dynamics simulations of dynamics mechanical behavior and interfacial microstructure evolution of Ni-based single crystal superalloys under shock loading

Journal of Materials Research and Technology, 2021
In this paper, molecular dynamics simulations are performed to study the dynamic mechanical response and microstructural evolution of Ni-based single crystal superalloys under different shock velocities. The results show that when the shock velocity (Up ≤
Bin Chen, Wen-Ping Wu
doaj   +1 more source

Mechanisms of High Temperature Degradation of Thermal Barrier Coatings. [PDF]

, 2009
Thermal barrier coatings (TBCs) are crucial for increasing the turbine inlet temperature (and hence efficiency) of gas turbine engines. The thesis describes PhD research aimed at improving understanding of the thermal cycling failure mechanisms of ...
Wu, Rudder T.C., Wu, Rudder T.C.
core   +1 more source

Effect of rhenium on low cycle fatigue behaviors of Ni-based single crystal superalloys: a molecular dynamics simulation

Journal of Materials Research and Technology, 2022
Molecular dynamics simulations are carried out to investigate the effects of rhenium (Re) on low cycle fatigue behaviors and deformation mechanisms of Ni-based single crystal superalloys.
Wen-Ping Wu, Zi-Jun Ding, Bin Chen, Hong-Fei Shen, Yun-Li Li   +4 more
doaj   +1 more source

A Review of Laser Peening Methods for Single Crystal Ni-Based Superalloys

Metals, 2022
Single crystal Ni-based superalloys are often used to create gas turbine engine blades for their high strength under intense thermo-mechanical loading.
Noah Holtham, Keivan Davami
doaj   +1 more source

The effect of thermal cycling on the high-temperature creep behaviour of a single crystal nickel-based superalloy [PDF]

, 2007
Isothermal and thermal cycling creep behaviours of a single crystal nickel-based superalloy have been studied by means of tensile tests at 1150 °C and 80 MPa.
Andrieu, Eric, Crabos, Fabrice, Monceau, Daniel, Raffaitin, Aymeric   +3 more
core   +2 more sources

A method for increasing the supersolvus critical strain for recrystallization in single-crystal superalloys

Materials Research Letters, 2023
Recrystallization, possibly triggered during heat treatments by plastic strains of only 1–2%, is highly deleterious to Ni-based single-crystal superalloys.
Sicong Lin, Kai Chen, Qiang Zeng, Upadrasta Ramamurty   +3 more
doaj   +1 more source

Quantification of Solid Solution Strengthening and Internal Stresses through Creep Testing of Ni-Containing Single Crystals at 980 °C

Metals, 2021
Various alloy compositions were cast as single crystals in a Bridgman vacuum induction furnace and creep tested at 980 °C: pure Ni, the equiatomic alloys CoCrNi and CrMnFeCoNi (Cantor alloy), single-phase fcc (Ni) solid solution alloys (with the ...
Uwe Glatzel, Felix Schleifer, Christian Gadelmeier, Fabian Krieg, Moritz Müller, Mike Mosbacher, Rainer Völkl   +6 more
doaj   +1 more source

Characterization of sulfur distribution in Ni-based superalloy and thermal barrier coatings after high temperature oxidation: a SIMS analysis [PDF]

, 2009
Sulfur segregation was characterized by secondary ion mass spectrometry (SIMS) in uncoated single-crystal Ni-based AM1 superalloys with various S contents and on NiPtAl, NiAl and NiPt bondcoats of complete TBC systems.
Cadoret, Yannick, Gheno, Thomas, Monceau, Daniel, Oquab, Djar   +3 more
core   +2 more sources