Results 11 to 20 of about 17,204 (188)
Properties of GH4169 Superalloy Characterized by Nonlinear Ultrasonic Waves [PDF]
Advances in Materials Science and Engineering, 2015 The nonlinear wave motion equation is solved by the perturbation method. The nonlinear ultrasonic coefficientsβandδare related to the fundamental and harmonic amplitudes. The nonlinear ultrasonic testing system is used to detect received signals during tensile testing and bending fatigue testing of GH4169 superalloy. The results show that the curves of
Hongjuan Yan +3 more
wiley +5 more sources
Effects of Double-Stage Annealing Parameters on Tensile Mechanical Properties of Initial Aging Deformed GH4169 Superalloy [PDF]
Materials, 2021 This study takes large size samples after hot-upsetting as research objects and aims to investigate the optimization double-stage annealing parameters for improving the mechanical properties of hot-upsetting samples. The double-stage annealing treatments
Y C Lin
exaly +3 more sources
Microstructure and Mechanical Properties of Laser Melting Deposited GH4169 Superalloy
Cailiao gongcheng, 2017 The block samples of a Ni-based superalloy named GH4169 were prepared by laser melting deposited method using the corresponding GH4169 alloy powders,and then were heat treated with solution treatment followed by double aging.The microstructure and ...
DU Bo-rui +5 more
doaj +3 more sources
Thermodynamic Entropy-Based Fatigue Life Assessment Method for Nickel-Based Superalloy GH4169 at Elevated Temperature Considering Cyclic Viscoplasticity [PDF]
EntropyThis paper develops a thermodynamic entropy-based life prediction model to estimate the low-cycle fatigue (LCF) life of the nickel-based superalloy GH4169 at elevated temperature (650 °C). The gauge section of the specimen was chosen as the thermodynamic
Shuiting Ding +6 more
doaj +3 more sources
Metals, 2019 The GH4169 superalloy has high strength at high temperatures. Cooling conditions have a major impact on the machined surface integrity, which further affects the fatigue properties of specimens of the GH4169 superalloy.
Rufeng Xu +5 more
doaj +2 more sources
Metals, 2021 The nitrogen behavior of superalloy melt GH4169 during the vacuum induction melting (VIM) process was clarified by using different proportions of returned materials including block-shaped returned material, chip-shaped returned material, and pure ...
Shengyong Gao +4 more
doaj +2 more sources
Cailiao gongchengThe selective laser melted （SLM） GH4169 superalloy has a significant directional columnar dendritic solidification microstructure， which can cause severe mechanical property anisotropy and increase service risk.
ZHAO Haisheng +3 more
doaj +2 more sources
Investigation of High-Speed Rubbing Behavior of GH4169 Superalloy with SiC/SiC Composites
AerospaceThe silicon carbide fiber-reinforced silicon carbide matrix (SiC/SiC), ceramic matrix composite (CMC) and nickel-based superalloy GH4169 can be utilized in high-temperature applications due to their high-temperature performance.
Zhaoguo Mi +5 more
doaj +2 more sources
Metals, 2022 The residual stress generated in the machining process has a passive influence on the machining accuracy of a thin-walled workpiece. Annealing treatment can release the residual stress induced in the machining process and suppress the machining ...
Pingzhong Zhu +3 more
doaj +2 more sources
Investigation on White Layer Formation in Dry High-Speed Milling of Nickel-Based Superalloy GH4169
Machines, 2023 To investigate the formation mechanism of the white layer on the machined surface during high-speed milling of nickel-based superalloy GH4169, several cutting parameters were selected for milling experiments.
Jiamao Zhang +3 more
doaj +2 more sources