Metallurgical Transactions A

, Volume 21, Issue 4, pp 1073–1082 | Cite as

Radiation as a tool in understanding phase transformations

  • K. C. Russell
  • F. A. Garner
Article

Abstract

Radiation may affect the course of a phase transformation in many ways, ranging from such a simple effect as enhanced diffusion or solute segregation to more complex effects such as dissolving thermally stable precipitates, inducing compositional instabilities, or altering phase boundaries. In the case of Invar-type Fe-35Ni-XCr alloys, irradiation-enhanced diffusion of all elements and segregation of nickel at sinks accelerate and make observable a spinodal reaction otherwise observable only after extended thermal annealing. Moreover, irradiation apparently also expands the boundaries of the miscibility gap. Irradiation may also be used to obtain structures unattainable thermally, even through such techniques as rapid quenching from the vapor or liquid.

Keywords

Metallurgical Transaction FeNi3 Solute Segregation Invar Alloy Frank Loop 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The Metallurgical of Society of AIME 1990

Authors and Affiliations

  • K. C. Russell
    • 1
  • F. A. Garner
    • 2
  1. 1.Department of Materials Science and Engineering and Department of Nuclear EngineeringMassachusetts Institute of TechnologyCambridge
  2. 2.Pacific Northwest LaboratoryRichland

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