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Submitted on: 15 October 2001.
Revised on: 11 November 2001.
Accepted on: 21 November 2001.
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
Submitted on: 12 September 2001.
Revised on: 21 September 2001.
Accepted on: 27 September 2001.
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
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