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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Deformation and Damage Mechanisms in High Temperature Ni, Co and Fe-based Superalloys
Sponsorship TMS Structural Materials Division
TMS: High Temperature Alloys Committee
Organizer(s) Mark Hardy, Rolls-Royce plc
Kevin J Bockenstedt, ATI Specialty Materials
Chantal K Sudbrack, NASA Glenn Research Center
Michael S Titus, Purdue University
Kinga A. Unocic, Oak Ridge National Laboratory
Yukinori Yamamoto, Oak Ridge National Laboratory
Scope 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 and application of high temperature Ni, Co and Fe based superalloys. It is proposed that the technical focus is on the understanding:
- Roles of deformation and heat treatment on the evolution of microstructure during material processing
- Effects of deformation from manufacture on material and component behavior
- Mechanisms of deformation that determine material behavior
- Development of deformation that gives rise to damage during material application
- Effects of composition and microstructure on resistance to deformation and damage accumulation
Topics of interest may include (but are not limited to):
- Elevated temperature forging, recrystallization, grain growth, flow forming, machining and shot peening
- Experimental observation of deformation and damage accumulation
- Constitutive and computational modeling of deformation
- Mechanisms of ambient and elevated temperature plasticity, creep, fatigue, creep-fatigue, crack growth and environmental damage
Abstracts Due 07/16/2017
Proceedings Plan Planned: None Selected
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