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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Deformation and Damage Mechanisms of High Temperature Alloys
Sponsorship TMS Structural Materials Division
TMS: High Temperature Alloys Committee
Organizer(s) Mark C. Hardy, Rolls-Royce Plc
Jonathan Cormier, ENSMA - Institut Pprime - UPR CNRS 3346
Jeremy Rame, Safran Aircraft Engines
Akane Suzuki, GE Research
Jean-Charles Stinville, University of California, Santa Barbara
Paraskevas Kontis, Norwegian University of Science and Technology
Andrew E. Wessman, University of Arizona
Scope High temperature alloys, notably Ni-, Co- and Fe-based superalloys are enabling materials for the design of high-temperature components for aerospace propulsion, chemical processing, oil and gas applications, and power generation. They retain superior strength at elevated temperatures, and show excellent damage tolerance, toughness, long-term stability and resistance to creep accumulation and environmental damage. The performance of these alloys is often improved when formed to optimize microstructure or used in conjunction with surface treatments and coatings or with novel design solutions. The aim of the symposium is to discuss the mechanisms of deformation and damage in the manufacture, application and refurbishment of high temperature alloys, principally Ni, Co and Fe based superalloys but also high entropy or multi-principal element alloys and refractory alloys. It is proposed that the technical focus is in understanding:(i)Roles of deformation and heat treatment on the evolution of microstructure during material processing, (ii)Effects of deformation from manufacture on material and component behaviour, (iii)Mechanisms of deformation that determine material behaviour, (iv)Development of deformation that gives rise to damage during material application, (v)Effects of composition and microstructure on resistance to deformation and damage accumulation, (vi)Refurbishment, rejuvenation and life extension processes. Topics of interest may include (but are not limited to):(a)Elevated temperature forging, recrystallization, grain growth, flow forming, machining and shot peening, (b)Advanced solidification techniques and impact on properties, (c)Experimental observation of deformation and damage accumulation, (d)Constitutive and computational modeling of deformation, (e)Mechanisms of ambient and elevated temperature plasticity, creep, fatigue (LCF, HCF, VHCF), creep-fatigue, crack growth and environmental damage.
Abstracts Due 07/19/2021
Proceedings Plan Planned:

A comparative analysis of the low-cycle fatigue behaviors of HAYNES 244 alloy and Waspaloy
A framework to enable location-specific analysis of components by incorporating microstructural information during the product design cycle.
A physics-based vacancy diffusion model to capture high temperature creep responses: Application to 316H stainless steel
An in-situ SEM elevated-temperature investigation of serrated plastic flow in a CoCrFeNiW-C alloy
Composition and heat treatment modifications of a new low-cost Ni base wrought alloy for improved creep resistance and elevated temperature ductility
Contributions of oxidation and creep to high temperature fatigue crack susceptibility in Waspaloy
Coupled Diffusional-Mechanical Modeling of Hydrogen Embrittlement in polycrystalline materials
Creep Behavior and Durability of Laser Metal Deposited Waspaloy
Defect control and mechanical properties of laser powder bed fusion built Haynes 230 for high temperature application
Deformation Twinning During Elevated Temperature Testing in HAYNES 244 Alloy
Design of cast alumina-forming austenitic alloys for extreme environments
Developing Methods for Microstructural Control of Ni-Cr Binary Alloys
Development of Co-based superalloy with self-healing properties
Effects of Alloying Elements on Mechanical Properties and Environmental Resistance of Silicide Strengthened Nb-based Alloys
Enhanced 900 ℃-yield strength in Inconel 738 superalloys while reducing expensive Co compositions
Ferritic Bcc-Superalloys – Slip System Control Through Alloying
First principles study of local phase transformation in Ni base superalloys
Forging and heat treatment conditions that produce visible grains in a nickel alloy
Frictional ignition of superalloys in high-pressure, high-temperature oxygen
Grain scale deformation study of a nickel-based superalloy under thermo-mechanical fatigue utilizing crystal plasticity simulations and high-energy X-ray diffraction microscopy
Improving the Creep Properties of High-Strength Superalloys Produced by Laser Powder Bed Fusion
In situ characterisation of the thermomechanical deformation behaviour of powder processed Ni-based superalloys
Influence of gamma’ precipitates on recrystallization and grain growth phenomena in Ni based superalloys : Smith-Zener pinning and so much more
Intra- and intergranular deformation measurement in polycrystalline materials at high temperature using High-Resolution Digital Image Correlation
Investigating Deformation Mechanisms in Ni-Based Superalloys with Compact γ'- γ" Coprecipitates
Investigating the high-temperature high-cycle fatigue properties of a novel Fe-Ni-Cr-Al-Ti-based superalloy
Investigating the role of dynamic strain aging in 347H steel using crystal plasticity
Local Phase Transformation Strengthening in Ni-based Superalloys and Induction of Alternative Displacive-Diffusional Shearing Pathways
Machining-induced microstructural deformation and grain refinement of Ni-base superalloys under controlled thermal conditions
Materials selection and structural design considerations for regeneratively cooled rotating detonation rocket engines
Mechanistic modeling of thermal creep response of 347H stainless steel: Effect of microstructure and chemistry
Micro-Mechanical Testing Methodology with Improved Temperature Homogeneity for Strain-Age Cracking
Microstructural And Mechanical Aspects Of Damage Mechanisms In Dwell-Fatigue In Inconel 718
Microstructural evolution of borides at 850°C in a polycrystalline superalloy and implications on creep performance
Microstructurally-sensitive fatigue crack nucleation and growth in nickel single crystals
Microstructure and mechanical properties of rotary friction welded IN-600 and SS316L with Copper interlayer
Microstructure Evolution of α′/α″-Strengthened Ferritic Superalloys
Multiaxial creep loading in Ni-based single-crystal superalloys
Numerical studies to analyze the deformation behavior of corroded material under high velocity impact using continuum damage mechanics
Numerical studies to predict the fracture behavior due to stress corrosion cracking under different environmental conditions
On the evolution of local alloy chemistry and microstructure of single crystal Ni-base superalloys during aging and creep: Towards unknown thermodynamic equilibria
On the influence of γ’-particle size on the yield stress anomaly in Ni-base single crystal superalloys
On the role of primary precipitates in the creep deformation mechanisms in the Ni-based polycristalline AD730 superalloy
Phase Field Modeling of Void Growth under Creep
Precipitate free zone formation in an alumina-forming austenitic stainless steel and the effect on mechanical properties
Precipitate free zones (PFZ) formation at grain boundaries in γ/γ' Ni-based superalloys.
Preferential precipitation of γ' on annealing twin boundaries in superalloys
Quantification of the temperature and strain rate dependent evolution of defect structures in a CoNi-base superalloy
Rejuvenation treatment for Ni-based single crystal superalloys with process induced pre-deformation
Slip Localization and the Prediction of Fatigue Strength of Polycrystalline Alloys
Stacking Faults In Forged Polycrystalline Ni-based Superalloys In The Fully Heat-Treated Condition Prior To Further Deformation
Strengthening via Chemical Segregation to deformation twin boundaries in Co-Ni-Cr-Mo superalloy
Systematic study of the effect of alloying on APB and SISF energies in L12-(Co,Ni)3(Al,W,Ta)
Temperature Dependence of Tensile and Fatigue Properties of Additively Manufactured Ni-base Superalloys: A Comparative Study
Tensile Ductility and Plastic Deformation Behavior of Polycrystalline Refractory Multi-Principal Element Alloys
The effect of carbon on the fabricability and mechanical performance of Nimonic 105
The effect of environment on the near-crack deformation induced during dwell fatigue of a Ni-base superalloy
The efficacy of using flat plate oxidation data as a proxy for active crack tip behavior in Waspaloy
Ultra-high temperature deformation in a single crystal superalloy: Mesoscale process simulation and micro-mechanisms
Understanding the η phase stability in a novel Ni-Fe-Cr-Al-Ti-based superalloy
Very high cycle fatigue properties of CoNi- and Ni-based single-crystal superalloys
Welding and Weldability of Ni- and Ni-Fe-based Superalloys

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