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首页> 外文期刊>Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology >Study on double-glow plasma niobium surface alloying of pure titanium
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Study on double-glow plasma niobium surface alloying of pure titanium

机译：纯钛双辉等离子体铌表面合金化的研究

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摘要

A niobium modified layer on a pure titanium surface was obtained by means of a double-glow plasma surface alloying technique. Microstructure and phases resident in the alloy layer were analyzed. The processing parameters and effects of cathode sputtering before the diffusion process were also studied. The results show that the surface niobium content in the modified layer is similar to that in the Ti–45Nb alloy, and decreases gradually from the surface into the underlying substrate. The oxidation behavior of the modified pure titanium at 900℃ was noticeably improved after the niobium alloying process. Characterization was performed using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The oxidation mechanism is also discussed.
机译：通过双辉等离子体表面合金化技术获得了纯钛表面上的铌改性层。分析了合金层中的微观组织和相。还研究了扩散工艺之前阴极溅射的工艺参数和效果。结果表明，改性层中的表面铌含量与Ti-45Nb合金中的相似，并且从表面到下层基底逐渐降低。铌合金化后，改性纯钛在900℃下的氧化行为得到明显改善。使用X射线衍射（XRD）和扫描电子显微镜（SEM）进行表征。还讨论了氧化机理。

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