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The abrasive wear of nanocrystalline Ni–W alloys with grain sizes of 5–105nm has been studied using Taber abrasion testing. The wear resistance of the finest grain size specimen is found to be higher than would be predicted based on hardness alone. This deviation from Archard scaling is traced to mechanically-driven structural evolution, consisting of grain growth and grain boundary relaxation, which...
Al–Mn alloys with Mn content ranging from 0 to 15.8at.% are prepared by electrodeposition from an ionic liquid at room temperature, and exhibit a remarkably broad range of structures. The alloys are characterized through a combination of techniques, including X-ray diffraction, electron microscopy and calorimetry. For alloys with Mn content up to 7.5at.%, increasing Mn additions lead to a decrease...
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