Proceedings of the U.S. - Japan Workshop on Very High Temperature Structural Materials Held on 9-11 December 1998 in Turtle Bay, Hawaii.

Abstract

The U.S. - Japan Workshop on Very High Temperature Structural Materials (VHTSM) was held on December 9 - 11, 1998 at Turtle Bay, HI. The objective of this workshop was to exchange information on the current state of research, development and application of very high temperature structural intermetallics and refractory compounds. For the purposes of this meeting, "very high temperature" structural materials were defined as systems with the potential to operate at temperatures in excess of l2OO deg C. A second workshop objective was to identity key areas of common interest where collaborations could significantly advance the state of these materials. Finally, participate identified critical engineering challenges and scientific issues likely to limit the understanding development and iniplementation of this class of very high temperature materials into structural engineering systems. Contained in this volume are extended abstracts that cover the topics addressed by each speaker. Classes of materials discussed in the workshop included refractory metal silicides, Nb based compounds (including Laves phases) and higher temperature B2 and L12 aluminides. A number of speakers also addressed fandamental problems common to these systems, including prediction of crystal structures, modeling of physical properties and defect structures, solid solution strengthening, effects of microstructural scale and architecture on fatigue and fracture and potential limitations of toughening mechanisms under cyclic loading conditions. Much of the research aimed at this class of very high temperature structural materials, though detailed in individual investigations, could be characterized as exploratory compared to breadth of potential alloying opportunities.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1998
Accession Number
ADA364961

Entities

People

  • Tresa M. Pollock

Organizations

  • Carnegie Mellon University

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Energy and Power Technologies
  • Engineered Resilient Systems

DTIC Thesaurus Topics

  • Chemical Synthesis
  • Chemistry
  • Creep
  • Crystal Structure
  • Elastic Properties
  • Material Degradation Processes
  • Materials
  • Materials Engineering
  • Materials Laboratories
  • Materials Processing
  • Materials Science
  • Materials Testing
  • Mechanical Working
  • Mechanics
  • Plastic Properties
  • Solid Solutions
  • Transition Temperature

Readers

  • Academic Conference Management
  • Reinforced Composite Materials
  • Surface Engineering/Surface Coating Technology.