Fatigue behavior of porous biomaterials manufactured using selective laser melting
作者： S. Amin Yavari , R. Wauthle , J. van der Stok , A.C. Riemslag , M. Janssen
DOI: 10.1016/J.MSEC.2013.08.006
关键词:
摘要: Abstract Porous titanium alloys are considered promising bone-mimicking biomaterials. Additive manufacturing techniques such as selective laser melting allow for of porous structures with a precise design micro-architecture. The mechanical properties melted different designs micro-architecture have been already studied and shown to be in the range bone. However, fatigue behavior this biomaterial is not yet well understood. We made Ti6Al4V ELI powder using melting. Four were manufactured porosities between 68 84% S–N curves these four determined. three-stage mechanism failure described detail. It was found that absolute very different. In general, given same stress level, life much shorter more structures. normalized similar. A power law fitted all data points curves. measured conform well, R 2 = 0.94. This may therefore help estimating which no test available. also observed endurance limit tested (
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