Results 1 to 10 of about 2,116 (231)

Microstructure degradation of service-exposed turbine blades made of directionally solidified DZ125 superalloy

Frontiers in Materials, 2022
The investigation about the degradation behavior of turbine blades exposed to complex and extreme environments for long-term service is of great importance to assess the remaining life of the blades. In our work, the microstructure at different positions
Yadan Xie, Yadan Xie, Jianjiang Zhao, Jiangwei Wang, Hua Wei   +4 more
doaj   +1 more source

Formation Mechanism and Restraining Measures of Burning-on of DZ22B Directionally Solidified Blade

Journal of Aeronautical Materials, 2018
The microstructure and chemical composition of the burning-on layer of the directionally solidified blade of the DZ22B superalloy were studied by means of SEM and EDS.
LI Fei, CHEN Xiaoyan, ZHAO Yanjie, WANG Fei, SUN Baode, SUN Dongke, LI Zhenfeng   +6 more
doaj   +1 more source

Research progress in effect of static magnetic field on microstructure of directionally solidified Ni-based superalloy

Cailiao gongcheng, 2019
The current research progress in the influence of static magnetic field on the microstructures of directionally solidified Ni-based superalloy at home and abroad was reviewed, and the effect of different ways, strength of static magnetic fields on the ...
LIU Cheng-lin, SU Hai-jun, ZHANG Jun, LIU Lin, FU Heng-zhi   +4 more
doaj   +1 more source

Effect of MCrAlY coating on crack formation during thermal fatigue testing of a directionally solidified Nickle based superalloy [PDF]

مواد نوین, 2023
Introduction: Nickle based superalloys are widely used in gas turbine components such as blades due to their excellent mechanical properties at high temperatures.
Alimohammad Fazeli Tehrani, Hasan Farhangi   +1 more
doaj   +1 more source

Dependence of microstructural evolution on the geometric structure for serviced DZ125 turbine blades

Frontiers in Materials, 2023
The turbine blades were directionally solidified by a high-rate solidification process by the Bridgman technique using directional solidified Ni-based master superalloy DZ125 and operated on the engine bench with a high-temperature gas environment of ...
Yadan Xie, Yadan Xie, Jianjiang Zhao, Jianjiang Zhao, Haoran Fu, Haoran Fu, Hua Wei, Hua Wei   +7 more
doaj   +1 more source

Effect of Solid Solution Treatment on Microstructure and Mechanical Properties of DS Superalloy DZ8

Journal of Aeronautical Materials, 2016
The microstructure of DZ8 after solid solution treatment at 1260 ℃ and 1240 ℃ was observed, and the tensile and stress rupture properties were compared.
ZHANG Shuaiqi, ZONG Cui, CHEN Shengping, ZHAO Wenxia, ZHANG Hongwei, ZHANG Qiang, TAN Yongning   +6 more
doaj   +1 more source

Creep Damage and Deformation Mechanism of a Directionally Solidified Alloy during Moderate-Temperature Creep

Crystals, 2021
Through creep performance tests, microstructural observations, and contrast analysis of the dislocation configuration, the deformation and damage mechanism of the directionally solidified nickel-based superalloy during creep at moderate temperatures was ...
Jiachun Li, Ning Tian, Ping Zhang, Fang Yu, Guoqi Zhao, Ping Zhang   +5 more
doaj   +1 more source

Effect of C Content on Microstructure of Second Generation Single Crystal Superalloy

Journal of Aeronautical Materials, 2017
The single crystal superalloy with different C contents was casted using master alloy of DD6 in the directionally solidified furnace. The effect of C content on the microstructure of the second generation single crystal superalloy was investigated.
LIU Shizhong, SHI Zhenxue, LI Jiarong
doaj   +1 more source

Effect of Melt Superheating Treatment on the Microstructures and Purity of a Directionally Solidified Superalloy

Crystals, 2023
In this paper, the effects and the mechanisms of melt superheating treatment (MST) on a directionally solidified alloy were investigated. The mass loss rate of the superalloy becomes severe as the MST temperature rises.
Yi Li, Qifei Zhang, Xiaogang You, Jianbing Qiang   +3 more
doaj   +1 more source

A Contribution to the Study of the Integrity Surface of the IC10 Ni3Al-Based Alloy After Creep-Feed Grinding with a Focus on High-Temperature Fatigue Life

Metals
The IC10 directionally solidified superalloy is a nickel-based alloy with high temperature resistance, and its surface integrity has a significant impact on the fatigue life of critical hot-end components in aerospace engines. This paper investigates the
Shuaiqi Zhang, Lijie Hu, Zhenyu Yang, Shuxin Niu, Huzi Bao, Qichao Jin, Duoji Renqing, Ruisong Jiang   +7 more
doaj   +1 more source