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Laser annealing on the surface treatment of thin super elastic NiTi wire
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SYSNO ASEP 0501904 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Laser annealing on the surface treatment of thin super elastic NiTi wire Author(s) Samal, Sneha Manjaree (FZU-D) ORCID, RID
Heller, Luděk (FZU-D) RID, ORCID
Brajer, J. (CZ)
Tyc, Ondřej (FZU-D) ORCID
Kadeřávek, Lukáš (FZU-D) ORCID
Šittner, Petr (FZU-D) RID, ORCIDNumber of authors 6 Article number 012007 Source Title IOP Conference Series: Materials Science and Engineering, 362. - Bristol : IOP Publishing Ltd, 2018 - ISSN 1757-8981 Pages s. 1-7 Number of pages 7 s. Publication form Print - P Action International Conference on Smart Engineering Materials (ICSEM 2018) Event date 07.03.2018 - 09.03.2018 VEvent location Bukurešť Country RO - Romania Event type WRD Language eng - English Country GB - United Kingdom Keywords annealing ; binary alloys ; laser surface treatment Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GA16-20264S GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000447159700007 EID SCOPUS 85050653243 DOI 10.1088/1757-899X/362/1/012007 Annotation Here the aim of this research is annealing the surface of NiTi wire for shape memory alloy, super-elastic wire by solid state laser beam. The laser surface treatment was carried out on the NiTi wire locally with fast, selective, surface heat treatment that enables precisely tune the localized material properties without any precipitation. Both as drawn (hard) and straight annealing NiTi wire were considered for laser annealing with input power 3 W, with precisely focusing the laser beam height 14.3 % of the Z-axis with a spot size of 1 mm. However, straight annealing wire is more interest due to its low temperature shape setting behavior and used by companies for stent materials. The variable parameter such as speed of the laser scanning and tensile stress on the NiTi wire were optimized to observe the effect of laser response on the sample. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2019
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