Effect of Crystal Transformation and Atomic Ordering on Friction and Wear of Two Cobalt-base Alloys in Vacuum PDF Download

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Effect of Crystal Transformation and Atomic Ordering on Friction and Wear of Two Cobalt-base Alloys in Vacuum

Effect of Crystal Transformation and Atomic Ordering on Friction and Wear of Two Cobalt-base Alloys in Vacuum PDF Author: William A. Brainard
Publisher:
ISBN:
Category : Cobalt alloys
Languages : en
Pages : 28

Book Description
The effect of crystal and order-disorder transformations on friction and wear for Be-Co and FeCo alloys were studied in sliding friction experiments in vacuum at elevated temperatures. The results show that friction increases fourfold for the beryllium-cobalt alloy during transformation and that friction remains high until the reverse or cooling transformation occurs. The friction and wear of Be-Co are markedly superior to 440-C stainless steel. The order-disorder transformation in FeCo increases friction by a factor of 30 and also significantly increases wear. Increased sliding speed and loading affect the transformation. The friction behavior during heating is in good agreement with the type of order-temperature relation in FeCo.
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