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Metal Injection Molding of Thin-Walled Titanium Glasses Arms: A Case Study

  • Powder Metallurgy of Non-Ferrous Metals
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Abstract

Commercially pure titanium (CP Ti) and Ti-6Al-4V arms for a new brand of augmented reality smart glasses, which are over 170 mm in length, with thin wall structures and extremely complex surfaces, have been successfully fabricated via metal injection molding. After sintering, both the metal injection-molded (MIMed) CP Ti and Ti-6Al-4V can reach relative densities of over 95% with an oxygen content ~ 2200 ppm, thus imparting mechanical properties comparable to cast alloys. The ductility of the MIMed CP Ti and Ti-6Al-4V are about 15% and 8%, respectively. This is a good example of applying metal injection molding to mass production of precise Ti alloy parts with complicated shapes.

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Acknowledgements

This work is supported by the Project of Shenzhen Science and Technology Innovation Committee (SGLH20161212155758670) in China and the Peacock Plan of Shenzhen Municipality (20130701226B). The titanium parts provided by Shenzhen ElementPlus Co. Ltd. are greatly appreciated.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China

    Shulong Ye, Wei Mo, Yonghu Lv, Xia Li & Peng Yu

  2. Institute of Applied Physics and Materials Engineering, University of Macau, Macau, China

    Shulong Ye & Chi Tat Kwok

  3. Department of Electromechanical Engineering, University of Macau, Macau, China

    Chi Tat Kwok

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  1. Shulong Ye
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  2. Wei Mo
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  3. Yonghu Lv
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  4. Xia Li
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  6. Peng Yu
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Correspondence to Peng Yu.

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Ye, S., Mo, W., Lv, Y. et al. Metal Injection Molding of Thin-Walled Titanium Glasses Arms: A Case Study. JOM 70, 616–620 (2018). https://doi.org/10.1007/s11837-018-2788-1

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  • DOI: https://doi.org/10.1007/s11837-018-2788-1

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