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Open AccessArticle

The Sustainable Improvement of Manufacturing for Nano-Titanium

1
Department of Industrial Engineering and Management, National Kaohsiung University of Applied Sciences, Kaohsiung 80778, Taiwan
2
Department of Information Management, Chihlee Institute of Technology, New Taipei City 22050, Taiwan
3
Foxconn Electronics Inc., Hanoi 115601, Vietnam
4
Department of Management Information Systems, National Chengchi University, Taipei 11605, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Tin-Chih Toly Chen
Sustainability 2016, 8(4), 402; https://doi.org/10.3390/su8040402
Received: 12 February 2016 / Revised: 6 April 2016 / Accepted: 19 April 2016 / Published: 23 April 2016
(This article belongs to the Special Issue Competitive and Sustainable Manufacturing in the Age of Globalization)
Scientists have found that nanomaterials possess many outstanding features in their tiny grain structure compared to other common materials. Titanium at the nano-grain scale shows many novel characteristics which demonstrate suitability for use in surgical implants. In general, equal channel angular pressing (ECAP) is the most popular and simple process to produce nano-titanium. However, ECAP is time-consuming, power-wasting, and insufficiently produces the ultrafine grain structure. Therefore, the objective of this research is to propose a new method to improve the ECAP’s performances to reach the ultrafine grain structure, and also to save production costs, based on the innovation theory of Teoriya Resheniya Izobreatatelskih Zadatch (TRIZ). Research results show that the process time is reduced by 80%, and 94% of the energy is saved. Moreover, the grain size of the diameter for nano-titanium can be reduced from 160 nanometers (nm) to 80 nm. The results are a 50% reduction of diameter and a 75% improvement of volume. At the same time, the method creates a refined grain size and good mechanical properties in the nano-titanium. The proposed method can be applied to produce any nanomaterial as well as biomaterials. View Full-Text
Keywords: ECAP; TRIZ; cold-rolling; nano-Titanium ECAP; TRIZ; cold-rolling; nano-Titanium
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MDPI and ACS Style

Wang, C.-N.; Lin, H.-S.; Hsueh, M.-H.; Wang, Y.-H.; Vu, T.-H.; Lin, T.-F. The Sustainable Improvement of Manufacturing for Nano-Titanium. Sustainability 2016, 8, 402. https://doi.org/10.3390/su8040402

AMA Style

Wang C-N, Lin H-S, Hsueh M-H, Wang Y-H, Vu T-H, Lin T-F. The Sustainable Improvement of Manufacturing for Nano-Titanium. Sustainability. 2016; 8(4):402. https://doi.org/10.3390/su8040402

Chicago/Turabian Style

Wang, Chia-Nan; Lin, Han-Sung; Hsueh, Ming-Hsien; Wang, Yen-Hui; Vu, Thi-Hao; Lin, Tsung-Fu. 2016. "The Sustainable Improvement of Manufacturing for Nano-Titanium" Sustainability 8, no. 4: 402. https://doi.org/10.3390/su8040402

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Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

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