Abstract:The influence of heat treatment on the amplitude dependence of internal friction in Fe -
11 at. % Al alloys with carbon contents in the range 0.005 - 0.2 at. % has been studied using an
inverted torsion pendulum in the temperature range 300 – 950 K and a vibrating reed apparatus at
room temperature. The specimens were annealed at 1273 K in vacuum and cooled down with
different cooling rates in order to obtain different degrees of order. It was found that ordering is
hardly avoidable in Fe - Al alloys with Al c… Show more
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