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Heat and Mass Transport Induced by Collision Cascades

Published online by Cambridge University Press:  03 September 2012

A. Carol ,
M. Alurralde ,
R. Saliba  and
M. Carol
A. Carol
Affiliation:
Centro Atómico Bariloche – 8400 Bariloche – Argentine
M. Alurralde
Affiliation:
Centro Atómico Constituyentes – Libertador 8250 – 1429 Buenos Aires – Argentina
R. Saliba
Affiliation:
Centro Atómico Bariloche – 8400 Bariloche – Argentine
M. Carol
Affiliation:
Centro Atómico Bariloche – 8400 Bariloche – Argentine
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Abstract

Irradiation of materials with energetic particles produces changes in the microstructure that affect mechanical properties. In previous work we studied the thermal aspects of the quenching of collision cascades that involve nanoscale phase transitions between the solid and the liquid states of the target. In this work we present a rigorous treatment of these phenomena, including a detailed description of the Stefan problem in three dimensions and diffusion in thermal gradients. This approach is oriented to give a quantitative description of the influence of the primary knockon spectrum on the microstructure short after the quenching of the heat spike.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 438: Symposium A – Materials Modificaton and Synthesis by Ion Beam… , 1996 , 125
Copyright
Copyright © Materials Research Society 1997

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