Crystallographic texture control of beta-type Ti–15Mo–5Zr–3Al alloy by selective laser melting for the development of novel implants with a biocompatible low Young's modulus

By Takuya Ishimoto, K. Hagihara, Kenta Hisamoto, Shi-Hai Sun, Takayoshi Nakano. 2017

332 citations recorded by the source corpus.

Abstract We first successfully achieved the two types of distinct texture control in low-modulus beta-type Ti–15Mo–5Zr–3Al alloy products using selective laser melting. Bidirectional scanning with and without a rotation of 90° between the layers gave rise to different textures with preferential orientations of 〈001〉 and 〈011〉 along the building direction, respectively. Control of the growth behavior of the columnar cells in the melt pools via scanning strategies enabled the generation of such different textures. The obtained material exhibits a low Young's modulus of 68.7 ± 0.9 GPa, which potentially allows for the development of implants that can suppress stress shielding.

Subfields: Biomedical Engineering, Materials Chemistry, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/750020375551ca6b241e5d9f7ba07d6633747fba

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In Mechanical Engineering

1. X. Tan
2. Shu Beng Tor
3. Pan Wang
4. M. Nai
5. Y. Kok
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7. E. Liu

Citations in the corpus

• Anisotropy and heterogeneity of microstructure and mechanical properties in metal additive manufacturing: A critical review (2018, background): “Scan strategies have been reported to influence the crystal texture of the grains due to differences in the overall direction of the thermal gradient [67, 68].”