Structure and Mechanical Properties of As-Cast Ti–5Sn–xMo Alloys
AbstractTi–5Sn–xMo (x = 0, 1, 3, 5, 7.5, 10, 12.5, 15, 17.5, and 20 wt %) alloys were designed and prepared for application as implant materials with superior mechanical properties. The results demonstrated that the crystal structure and mechanical properties of Ti–5Sn–xMo alloys are highly affected by their Mo content. The as-cast microstructures of Ti–5Sn–xMo alloys transformed in the sequence of phases α′ → α″ → β, and the morphologies of the alloys changed from a lath structure to an equiaxed structure as the Mo content increased. The α″-phase Ti–5Sn–7.5Mo (80 GPa) and β-phase Ti–5Sn–10Mo (85 GPa) exhibited relatively low elastic moduli and had excellent elastic recovery angles of 27.4° and 37.8°, respectively. Furthermore, they exhibited high ductility and moderate strength, as evaluated using the three-point bending test. Search for a more suitable implant material by this study, Ti–5Sn–xMo alloys with 7.5 and 10 wt % Mo appear to be promising candidates because they demonstrate the optimal combined properties of microhardness, ductility, elastic modulus, and elastic recovery capability. View Full-Text
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Yu, H.-N.; Hsu, H.-C.; Wu, S.-C.; Hsu, S.-K.; Ho, W.-F. Structure and Mechanical Properties of As-Cast Ti–5Sn–xMo Alloys. Materials 2017, 10, 458.
Yu H-N, Hsu H-C, Wu S-C, Hsu S-K, Ho W-F. Structure and Mechanical Properties of As-Cast Ti–5Sn–xMo Alloys. Materials. 2017; 10(5):458.Chicago/Turabian Style
Yu, Hsing-Ning; Hsu, Hsueh-Chuan; Wu, Shih-Ching; Hsu, Shih-Kuang; Ho, Wen-Fu. 2017. "Structure and Mechanical Properties of As-Cast Ti–5Sn–xMo Alloys." Materials 10, no. 5: 458.
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