Development of hot drawing process for nitinol tube

Chen, Wei and Wang, H. and Zhang, Lei and Tang, Xiushan (2009) Development of hot drawing process for nitinol tube. International Journal of Modern Physics B, 23 (6/7). pp. 1968-1974. ISSN 0217-9792

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Abstract

In recent years, Nitinol, near-equiatomic nickel-titanium alloys, have found growing applications in medical technology and joining technology, due to their special characteristics such as shape memory, superplasticity and biocompatibility. The production of Nitinol tube cost-effectively remains a technical challenge. In this paper, we describe a hot drawing process for Nitinol tube production. A Nitinol tube blank and a metal core are assembled together. The assembly is hot drawn for several passes to a final diameter. The metal core is then plastically stretched to reduce its diameter and removed from the tube. Hot drawing process has been applied to Ni50.7Ti and Ni47Ti44Nb9 alloys. Nitinol tubes of 13.6 mm outer diameter and 1 mm wall thickness have been successfully produced from a tube blank of 20 mm outer diameter and 3.5 mm thickness.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Author's version deposited in accordance with the copyright policy of the publisher. Copyright of International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Depositing User: Dr Hao Wang
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - No Department
Date Deposited: 17 Oct 2011 05:47
Last Modified: 05 Aug 2014 00:33
Uncontrolled Keywords: nickel-titanium alloys; metallic composites; nickel alloys; titanium alloys; biocompatibility; hot drawing; Nitinol tube; shape memory; superelasticity
Fields of Research (FOR2008): 09 Engineering > 0910 Manufacturing Engineering > 091006 Manufacturing Processes and Technologies (excl. Textiles)
09 Engineering > 0912 Materials Engineering > 091207 Metals and Alloy Materials
02 Physical Sciences > 0204 Condensed Matter Physics > 020499 Condensed Matter Physics not elsewhere classified
Socio-Economic Objective (SEO2008): B Economic Development > 86 Manufacturing > 8611 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) > 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified
Identification Number or DOI: 10.1142/S0217979209061913
URI: http://eprints.usq.edu.au/id/eprint/8202

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