Coarsening and dissolution of γ′ precipitates during solution treatment of AD730™ Ni-based superalloy: Mechanisms and kinetics models
The kinetics of γ′ size and volume fraction changes during solution treatment of the
advanced Ni-based superalloy, AD730™ are determined and the underlying mechanisms …
advanced Ni-based superalloy, AD730™ are determined and the underlying mechanisms …
Microstructural evolutions during thermal aging of alloy 625: impact of temperature and forming process
The microstructural evolutions occurring upon thermal aging of alloy 625 sheets were
studied in the 823 K to 1173 K (550° C to 900° C) temperature range and for durations up to …
studied in the 823 K to 1173 K (550° C to 900° C) temperature range and for durations up to …
Physics-based modeling of γ/γ′ microstructure evolution and creep constitutive relation for single crystal superalloy
Z Guo, D Huang, X Yan - International Journal of Plasticity, 2021 - Elsevier
In this study, a physics-based model is proposed to predict the γ/γ′ microstructure evolution
of single crystal (SC) superalloy at medium temperature and high stress level. Considering …
of single crystal (SC) superalloy at medium temperature and high stress level. Considering …
A microstructure-sensitive constitutive modeling of the inelastic behavior of single crystal nickel-based superalloys at very high temperature
The prediction of the viscoplastic behavior of nickel-based single crystal superalloys
remains a challenging issue due to the complex loadings encountered in aeronautical …
remains a challenging issue due to the complex loadings encountered in aeronautical …
Kinetics and Mechanisms of γ′ Reprecipitation in a Ni-based Superalloy
The reprecipitation mechanisms and kinetics of γ′ particles during cooling from
supersolvus and subsolvus temperatures were studied in AD730TM Ni-based superalloy …
supersolvus and subsolvus temperatures were studied in AD730TM Ni-based superalloy …
Grain boundary–slip bands interactions: Impact on the fatigue crack initiation in a polycrystalline forged Ni-based superalloy
Low cycle fatigue properties of polycrystalline γ–γ′ Ni-based superalloys are dependent on
many factors such as temperature, environment, grain size and distribution of the …
many factors such as temperature, environment, grain size and distribution of the …
Dissolution of the Primary γ′ Precipitates and Grain Growth during Solution Treatment of Three Nickel Base Superalloys
Second phase particles (SPP) play an essential role in controlling grain size and properties
of polycrystalline nickel base superalloys. The understanding of the behavior of these …
of polycrystalline nickel base superalloys. The understanding of the behavior of these …
The effect of niobium element on the tensile behavior in GH3535 alloy at room temperature and 750° C
The microstructure and tensile behavior of GH3535 and 2 wt% niobium (Nb) modified
GH3535 alloys at room temperature (RT) and 750° C were systematically investigated. It is …
GH3535 alloys at room temperature (RT) and 750° C were systematically investigated. It is …
Effect of interface dislocations on mass flow during high temperature and low stress creep of single crystal Ni-base superalloys
In this work, the nanometer-scale mass flow coupled to dislocation processes near the γ/γ′-
interface during high temperature and low stress creep of a model Ni-base single crystal …
interface during high temperature and low stress creep of a model Ni-base single crystal …
Microstructure and mechanical properties evolutions of alloy 718 during isothermal and thermal cycling over-aging
Direct aged alloy 718 was subjected to isothermal and non-isothermal aging at
temperatures above 650° C to assess its potential use at higher temperatures. Non …
temperatures above 650° C to assess its potential use at higher temperatures. Non …