Results 81 to 90 of about 9,930 (219)

Probing the strain distribution within a single crystal superalloy during high temperature testing

MATEC Web of Conferences, 2014
The combination of in situ high resolution diffraction experiments with synchrotron radiation and mechanical and diffraction modelling is used to investigate the microstructure and mechanical state of single crystal superalloys during high temperature ...
Jacques Alain, Biskri Mohamed, Schenk Thomas, Cornu Jean Philippe Chateau, Bastie Pierre   +4 more
doaj   +1 more source

Understanding the roles of the strategic element cobalt in nickel base superalloys [PDF]

The United States imports over 90% of its cobalt, chromium, columbium, and tantalum, all key elements in high temperature nickel base superalloys for aircraft gas turbine disks and airfoils. Research progress in understanding the roles of cobalt and some
Dreshfield, R. L., Stephens, J. R.
core   +1 more source

Crystallographic crack propagation rate in single-crystal nickelbase superalloys

MATEC Web of Conferences, 2018
Single-crystal nickel-base superalloys are often used in the hot sections of gas turbines due to their good mechanical properties at high temperatures such as enhanced creep resistance.
Busse Christian, Palmert Frans, Wawrzynek Paul, Sjödin Björn, Gustafsson David, Leidermark Daniel   +5 more
doaj   +1 more source

An Overview of Thermal Exposure on Microstructural Degradation and Mechanical Properties in Ni-Based Single Crystal Superalloys. [PDF]

Materials (Basel), 2023
Zhang J, Lu F, Li L.
europepmc   +1 more source

Expert systems for superalloy studies [PDF]

There are many areas in science and engineering which require knowledge of an extremely complex foundation of experimental results in order to design methodologies for developing new materials or products. Superalloys are an area which fit well into this
Kaukler, William F., Workman, Gary L.
core   +1 more source

Effect of Ru on Deformation Mechanism and Microstructure Evolution of Single-Crystal Superalloys under Medium-Temperature and High-Stress Creep. [PDF]

Materials (Basel), 2023
Emokpaire SO, Wang N, Liu J, Zhu C, Wang X, Li J, Zhou Y.   +6 more
europepmc   +1 more source

Three-scale hierarchical P-rich microstructures via P doping: enhancing creep resistance significantly of a Ni-based single crystal model alloy

Materials Research Letters
P microalloying is a promising alloy design strategy for superalloys due to its low cost and significant enhancement of creep resistance. Herein, the effects of P on microstructures and creep properties of a single crystal Ni-based model alloy were ...
Shaowei Li, Fang Liu, Wenru Sun, Lanzhang Zhou   +3 more
doaj   +1 more source

Orientation Control for Nickel-Based Single Crystal Superalloys: Grain Selection Method Assisted by Directional Columnar Grains. [PDF]

Materials (Basel), 2022
Hu S, Hu S, Zhao Y, Bai W, Dai Y, Yang Z, Yin F, Wang X.   +7 more
europepmc   +1 more source

Creep behavior and deformation mechanism of two typical second-generation single crystal superalloys under near-service conditions

Journal of Materials Research and Technology
Clarifying the creep deformation mechanisms of single-crystal superalloys under service conditions is crucial for the life assessment and performance enhancement of advanced turbine blades.
Yilin Wang, Zhiqiang Hu, Haozhi Han, Huajie Yang   +3 more
doaj   +1 more source

Role of tangential force coefficient on fretting fatigue life estimation of a single crystal Ni-base superalloy

Mechanical Engineering Journal, 2017
Fretting fatigue behavior of Ni-base superalloys used in gas turbine blades and disk assemblies have been investigated under ambient and high temperature conditions. A major emphasis was placed on the influence of experimentally measured tangential force
Balavenkatesh RENGARAJ, Sotaro BABA, Masakazu OKAZAKI   +2 more
doaj   +1 more source