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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Energy Materials 2017: Materials for Coal-Based Power
Presentation Title C-6: High Cycle Fatigue Behavior of HAYNES282 Superalloy
Author(s) Ming Yang
On-Site Speaker (Planned) Ming Yang
Abstract Scope This paper has carried out high cycle fatigue performance test for Haynes282 nickel-based alloy at room temperature, 700 ℃and 760 ℃. The optical microscopy (OM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to observe the change features of microstructure and fracture. The results showed that the precipitation of γ′ phase which makes alloy has excellent high cycle fatigue performance is a guarantee of high strength of this alloy, and fatigue strength reduced slowly with the temperature increasing. The fracturing pattern was in monophyletic fatigue source, and extended in the form of cleavage and quasi cleavage and had obvious river pattern characteristics. At the same time, the fatigue crack propagation in the form of dislocation slip extension, and the coarsening of γ′ hinder the dislocation sliding and climbing as the temperature rise, which made for improving the fatigue strength of alloy.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A New Austenitic Heat-Resisting Steel SP2215 for 620-630℃ USC Boiler Tubing Application
Accelerated Creep Test for New Steels and Welds
Advances in Materials Technology to Enable Advanced Ultrasupercritical (A-USC) and Supercritical CO2 (sCO2) Power Cycles
Alloy Design of Creep-resistant High Entropy Alloys for Elevated-Temperature Applications
C-3: Atomic-scale Modeling of Point Defects, Phase Stability, and the Formation Mechanism of Z Phases CrMN (M=V, Nb, Ta)
C-5: Fireside Corrosion Behaviors of Inconel 740 H Superalloy in Various SO2 Contents
C-6: High Cycle Fatigue Behavior of HAYNES282 Superalloy
C-7: Recent Development in the Characteristics of Alloy 625 for A-USC Steam Turbine Castings
C-8: The Effect of W and Mo Addition on the Microstructure and Mechanical Properties of GY200 Ni-based Alloy
Continued Development of a Cast Superalloy, IN740 for Advanced Power Generation Applications
Corrosion Issues in Advanced Supercritical and Ultra Supercritical Coal Fired Boilers
Creep Behavior and Microstructural Stability in Cast γ' Strengthened Nickel Superalloys
Creep of Alumina-forming Austenitic Stainless Steels
Creep Strength and Oxidation Resistance of Industrially Made G115 Steel Pipe
Design and Performance of Nickel-Base Alloys Strengthened by Eta Phase Precipitates
Developing a Crystal Plasticity Model for Nickel Based Turbine Alloys Based on the Discrete Element Method
Development of Wrought Ni-Cr-Al Alloy with High Temperature Corrosion Resistance
Evolution of Precipitates of 25Cr-20Ni-3Cu3WNbN Austenitic Heat Resistant Steel during 973K Aging
Heat Resistant Advanced 9% Cr Steel for Fossil Energy Power Generation
Heat Resistant Alloy Design: Process Considerations for Microstructural Stability and Long-term Creep Strength in Scaled-Up, Thick Wall Nickel Castings
Materials and Manufacturing Challenges for Components of Supercritical CO2 Power Systems
Materials for Advanced Ultra Supercritical Steam Turbines
Materials Performance in Supercritical CO2 in Comparison with Atmospheric Pressure CO2 and Supercritical Steam
Micro Creep and Fatigue Behaviors in an Advanced Austenitic Stainless Steel
Modeling Long-term Creep Performance for Welded Nickel-base Superalloy Structures for Power Generation Systems
Ni-Fe Based Alloy GH984G Used for 700℃ Coal-fired Power Plants
Predicting Microstructure-Creep Resistance Correlation in High Temperature Alloys Over Multiple Time Scales
Solid Sate Joining of Creep Strength Enhanced Ferritic Steels
Study of Localized Under-coal Ash Deposit Corrosion of Inconel 740 Alloy Using High Temperature Electrochemical Sensor
The Reliability Analysis of 12Cr1MoVG and T23 Used for USC Boilers Water Wall
The SMARTER Project – Science of Multicomponent Alloys: Roadmap for Theoretical and Experimental Research
Towards Predicting Reactive-element Tolerances in the Compositional Design of Al2O3-scale Forming Alloys and Coatings

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