期刊
SCRIPTA MATERIALIA
卷 58, 期 6, 页码 445-448出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2007.10.034
关键词
nanostructured materials; spheroidal pearlite steel; grain size; wear resistance
We report that the sliding wear resistance of a nanostructured spheroidal pearlite steel varies with grain size: it increases when the grain size of the ferrite phase (D,) increases from 8 to 32 nm, and decreases with a further increase in D,. A maximum wear resistance at an average grain size of 32 nm, corresponding to the most significant material transfer on the mating ball, was analyzed in terms of the combination of hardness and plasticity. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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