Deformation Mechanisms of Tandem Hot Rolled GH4169 Superalloy during Creep [PDF]
AbstractBy means of direct aged treatment, creep property measurement and high resolution TEM microstructure observation, the deformation mechanisms of Tandem Hot Rolled GH4169 superalloy during creep are investigated. Results show that, after direct aging treatment, fine γ″ particles with different sizes and shapes dispersedly precipitate in the alloy,
Li Zhenrong +4 more
openaire +3 more sources
Thermodynamic Entropy-Based Fatigue Life Assessment Method for Nickel-Based Superalloy GH4169 at Elevated Temperature Considering Cyclic Viscoplasticity [PDF]
This 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 +2 more sources
Microstructure and Tensile Deformation Features of Tandem Hot Rolling GH4169 Superalloy [PDF]
AbstractBy means of solution treatment, microstructure observation and mechanical property measurement, the microstructure and tensile deformation features of tandem hot rolling GH4169 alloy have been investigated. Results shown that, after solution treatment and aging, large numbers of the spherical γ′ phase and the flat-ellipsoidal γ″ phase ...
Li Zhenrong +4 more
openaire +3 more sources
Combustion behavior of GH4169 and GH4202 superalloys in oxygen-enriched atmosphere [PDF]
Ignition-combustion test was carried out and the combustion samples of GH4169 and GH4202 superalloys were ana-lyzed by using optical microscopy, scanning electron microscopy and energy dispersive spectrometry.
HUANG Jin-feng +6 more
core +3 more sources
Microstructure and Mechanical Properties of Laser Melting Deposited GH4169 Superalloy
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 +2 more sources
Microstructure and Creep Property of a GH4169 Nickel-based Superalloy
By means of direct aging (DA) heat treatment, creep properties measurement and microstructure observation, the microstructure and creep behaviors of the GH4169 superalloy were investigated. Results show that the microstructure of the alloy consists of γ,
LIU Chen +4 more
doaj +2 more sources
Data-Driven Fatigue Prediction of Superalloys: A Novel Strategy Integrating Transfer Learning and Partial Label Learning for Addressing Ambiguous Data. [PDF]
A novel machine learning strategy tackles ambiguous compositional data to predict superalloy fatigue. By integrating partial label with transfer learning and enriching features through thermodynamic calculations, this approach achieves superior accuracy and interpretability.
Lv H +10 more
europepmc +2 more sources
Effect of milling on fretting wear performance of GH4169 superalloy
Yifeng Luo +9 more
openaire +2 more sources
High Temperature Oxidation Behavior of GH4169 Nickel Base Superalloy Under Different Grindings for Internal Combustion Engine [PDF]
In order to improve the high temperature oxidation resistance of GH4169 nickel base superalloy for internal combustion engine, the GH4169 nickel base superalloy’s surface was polished with different types of sandpaper, and then the oxidation resistance ...
LIU Yi-fu, ZHENG Jian-xin, SUN Rui-xia
doaj +1 more source
To explore the milling characteristics of Ni-based superalloy under minimal quantity lubrication (MQL), a single-factor experiment was adopted to investigate the milling machinability of GH4169 Ni-based superalloy.
Yihan Jiang +4 more
doaj +1 more source

