Improvement of Ti alloy fatigue properties by Pt ion plating
作者： S. Fujishiro , D. Eylon
DOI: 10.1007/BF02653479
关键词:
摘要: The effect of Pt ion plating on the high cycle axial fatigue life Ti-6Al-2Sn-4Zr-2Mo specimens was studied at room temperature and 455 °C. Unlike other coatings, plated material tested in this work showed an increase strength when compared to uncoated material. improvement greater °C than temperature. Coated cycled close limit demonstrated highest improvement, which associated with subsurface crack initiation. specimens, under similar conditions, failed by cracking surface. Sectioning analysis no defects initiation sites. related groups similarly aligned coarse α platelets. It is suggested that caused some surface hardening as well oxidation resistance elevated temperatures leading suppression
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