超弹性尼醇电线接接头的结构设计的特点
Viktor Kvasnytskyi1, Anastasiia Zvorykina1, Leonid Zvorykin1
1Welding Department, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", 37, Prospect Beresteiskyi, 03056 Kyiv, Ukraine.
Materials (Basel, Switzerland)
|January 10, 2026
概括
电容放电接 (CDW) 显示出用于连接薄尼醇电线的潜力,保持超弹性特性. 其他方法,如TIG和微等离子体接,在制造耐用的尼醇接头方面存在局限性.
科学领域:
- 材料科学 材料科学 材料科学
- 金工业是金工业的一个方面.
- 接工程 接工程
背景情况:
- 尼丁醇合金电线对于医疗器械至关重要.
- 连接薄的尼醇线需要方法,以最大限度地减少结构变化.
- 保持超弹性和形状记忆效应是尼醇应用的关键.
研究的目的:
- 评估不同的接技术,以在薄的尼醇电线中创建永久连接.
- 为了研究接的尼醇接头的微观结构和机械性能.
- 确定最适合的接方法,用于尼醇线的应用,特别是在医疗器械.
主要方法:
- 接技术:TIG,微等离子电弧接 (PAW) 和电容放电接 (CDW).
- 材料表征:扫描电子显微镜 (SEM) 和微型X射线光谱分析.
- 接接头的机械测试.
主要成果:
- 使用气保护的TIG接产生了与基材相似的微观结构,但保持了超弹性.
- 电容放电接 (CDW) 产生了更接近所需水平的微结构,并显示了用于连接薄尼醇线的有希望的结果.
- 微等离子电弧接 (PAW) 导致氧化物和Ti2Ni入,导致脆性骨折.
结论:
- 电容放电接 (CDW) 是连接薄尼醇线的有希望的方法,因为它能够保持微观结构和形状恢复.
- 当超弹性特性至关重要时,TIG接是合适的,只要提供足够的保护.
- 微等离子电弧接 (PAW) 不推用于尼醇线接头,因为易碎的断裂问题.
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