各种纳米颗粒涂层 316L SS 的摩擦学。

IF 3 Q3 MATERIALS SCIENCE, BIOMATERIALS
International Journal of Biomaterials Pub Date : 2023-08-22 eCollection Date: 2023-01-01 DOI:10.1155/2023/6676473
Dhiaa J Aldabagh, Thair L Alzubadi, Akram F Alhuwaizi
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引用次数: 0

摘要

背景:生物医学材料的纳米涂层可能被认为是最近最重要的发展领域,主要目的是改善其摩擦学行为,从而提高其性能和耐用性。与许多医学领域一样,在正畸学中,通过纳米涂层减少不同正畸部件之间的摩擦被认为是生物医学技术发展的一个重要里程碑,可缩短正畸治疗时间。当前研究的目的是探索摩擦学行为,即钽 (Ta)、铌 (Nb) 和钒 (V) 利用等离子溅射法在 316L 不锈钢 (SS) 制成的基底上以 1、2 和 3 小时制成的纳米涂层薄层的摩擦力。迄今为止,文献中几乎没有提及用 Ta、Nb 和 V 等离子溅射镀层的 316L SS 弓丝的摩擦情况:在室温(25°C)的干燥条件下,使用计算机化摩擦磨损测试仪进行了针对板的摆动摩擦测试,施加 1 N 的载荷 20 分钟,以了解它们在大块材料摩擦学行为中的作用。结果发现,Ta 和 Nb 能显著降低 SS 基体的摩擦力(分别为 45% 和 55%),而 V 则会降低基体的摩擦力。此外,溅射时间对涂层的摩擦降低作用不大:结论:用铌和钽对 316L SS 主体材料进行 1 小时等离子溅射的纳米涂层可显著提高其摩擦学性能。较高的涂层硬度、较小的纳米颗粒尺寸、中等的表面涂层粗糙度和较低的涂层表面结合能可能会在减少与 SS 正畸弓丝相对应的 316L SS 涂层的摩擦力方面发挥重要作用,从而提高正畸治疗的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Tribology of Coated 316L SS by Various Nanoparticles.

Tribology of Coated 316L SS by Various Nanoparticles.

Tribology of Coated 316L SS by Various Nanoparticles.

Tribology of Coated 316L SS by Various Nanoparticles.

Background: Nanocoating of biomedical materials may be considered the most essential developing field recently, primarily directed at improving their tribological behaviors that enhance their performance and durability. In orthodontics, as in many medical fields, friction reduction (by nanocoatings) among different orthodontic components is considered a substantial milestone in the development of biomedical technology that reduces orthodontic treatment time. The objective of the current research was to explore the tribological behavior, namely, friction of nanocoated thin layer by tantalum (Ta), niobium (Nb), and vanadium (V) manufactured using plasma sputtering at 1, 2, and 3 hours on substrates made of 316L stainless steel (SS), which is thought to be one of the most popular alloys for stainless steel orthodontic archwires. The friction of coated 316L SS archwires coated with Ta, Nb, and V plasma sputtering is hardly mentioned in the literature as of yet.

Results: An oscillating pin-on-plate tribological test using a computerized tribometer was performed by applying a load of 1 N for 20 minutes under the dry condition at room temperature (25°C) to understand their role in the tribological behavior of the bulk material. Ta and Nb were found to reduce the friction of their SS substrate significantly (45 and 55%, respectively), while V was found to deteriorate the friction of its substrate. Moreover, sputtering time had no substantial role in the friction reduction of coatings.

Conclusions: Nanocoating of 316L SS bulk material by Nb and Ta with a 1-hour plasma sputtering time can enhance dramatically its tribological behavior. Higher coating hardness, smaller nanoparticle size, intermediate surface coating roughness, and lower surface binding energy of the coatings may play a vital role in friction reduction of the coated 316L SS corresponding to SS orthodontic archwires, predicting to enhance orthodontic treatment.

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来源期刊
International Journal of Biomaterials
International Journal of Biomaterials MATERIALS SCIENCE, BIOMATERIALS-
CiteScore
4.30
自引率
3.20%
发文量
50
审稿时长
21 weeks
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