Effects of carbon and phosphorus addition on the fatigue properties of ultrafine-grained steels
Scripta Materialia(2005)
摘要
This report describes the fatigue properties of carbon- and phosphorus-added ultrafine-grained steels comprising ferrite grains below 1μm. The fatigue limits σw showed a linear relationship with the tensile strengths σB, and the fatigue limit ratios (σw/σB) were above 0.5 even when the tensile strength exceeded 1000MPa.
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关键词
Fatigue,Ultrafine-grained steel,Carbon,Phosphorus,Precipitation strengthening,Solid solution strengthening
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