Effect of the Addition of 3% Co in NiTi Alloy on Loading/Unloading Force

Conference proceedings article


ผู้เขียน/บรรณาธิการ


กลุ่มสาขาการวิจัยเชิงกลยุทธ์

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รายละเอียดสำหรับงานพิมพ์

รายชื่อผู้แต่งPhukaoluan A., Dechkunakorn S., Anuwongnukroh N., Khantachawana A., Kaewtathip P., Kajornchaiyakul J., Wichai W.

ผู้เผยแพร่IOP Publishing

ปีที่เผยแพร่ (ค.ศ.)2017

Volume number265

Issue number1

นอก1757-8981

eISSN1757-899X

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85038355694&doi=10.1088%2f1757-899X%2f265%2f1%2f012013&partnerID=40&md5=061ba5b15112533f9e4cd3a3c835bdfb

ภาษาEnglish-Great Britain (EN-GB)


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บทคัดย่อ

The study evaluated the loading-unloading force in the load-deflection curve of the fabricated NiTiCo and NiTi wires. Wire alloys with Nickel, Titanium, and Cobalt (purity-99.95%) with atomic weight ratio 47Ni:50Ti:3Co and 50.6Ni:49.4Ti were prepared, sliced, and cold-rolled at 30% reduction, followed by heat treatment in a furnace at 400oC for 1 hour. The specimens of wire size of 0.016 x 0.022 inch2 were cut and subjected to three-point bending test to investigate the load-deflection curve at deflection point 0.25, 0.5, 0.75, 1.0, 1.25, and 1.5 mm. Descriptive statistic was used to evaluate each variables and independent t-test was used to compare between the groups. The results presented a load-deflection curve that resembled a typical superelastic wire. However, significant differences were seen in the loading-unloading forces between the two with an average loading force of 412.53g and 304.98g and unloading force of 292.40g and 208.08g for NiTiCo and NiTi wire, respectively. The force at each deflection point of NiTiCo in loading-unloading force was higher than NiTi wire. This study concluded that the addition of 3%Co in NiTi alloy can increase the loading-unloading force of NiTi wire but were within the range for orthodontic tooth movement. ฉ 2017 Published under licence by IOP Publishing Ltd.


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อัพเดทล่าสุด 2023-25-09 ถึง 07:37