钇和氧组合对 Zr-Cu-Ni-Al 金属玻璃微观结构的影响

IF 3.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Vacuum Pub Date : 2024-09-19 DOI:10.1016/j.vacuum.2024.113666

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引用次数: 0

摘要

传统观点似乎认为，钇可以与氧气混合形成惰性氧化物，以防止在制造 MG 的过程中受到氧气污染。在此，我们采用激光熔融沉积技术系统地研究了掺钇对 Zr 基 MG 复合涂层微观结构演变的影响。我们首先报道了钇氧化物并非完全处于惰性状态，而是作为异质成核核心，在足够的热输入和较低的冷却速率影响下外延生长出具有简单立方结构的铜锆金属间化合物，而在热输入不足和冷却速率较高的情况下则会受到抑制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of yttrium and oxygen combination on the microstructure of Zr-Cu-Ni-Al metallic glass

The traditional wisdom seems to suggest that yttrium can be added with oxygen to form inert oxides to prevent oxygen contamination during the MGs fabricated process. Here, the effects of yttrium-doped on the microstructure evolution of the Zr-based MG composite coatings were systematically investigated by laser melting deposition technology. We firstly reported that the yttrium oxides were not completely in an inert state, but as the heterogeneous nucleation core with epitaxial growth of the CuZr intermetallic compound with simple cubic structure, under the influence of sufficient heat input and a low cooling rates, while would be inhibited with insufficient thermal input and high cooling rates.

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来源期刊

Vacuum 工程技术-材料科学：综合

CiteScore

6.80

自引率

17.50%

发文量

审稿时长

34 days

期刊介绍： Vacuum is an international rapid publications journal with a focus on short communication. All papers are peer-reviewed, with the review process for short communication geared towards very fast turnaround times. The journal also published full research papers, thematic issues and selected papers from leading conferences. A report in Vacuum should represent a major advance in an area that involves a controlled environment at pressures of one atmosphere or below. The scope of the journal includes: 1. Vacuum; original developments in vacuum pumping and instrumentation, vacuum measurement, vacuum gas dynamics, gas-surface interactions, surface treatment for UHV applications and low outgassing, vacuum melting, sintering, and vacuum metrology. Technology and solutions for large-scale facilities (e.g., particle accelerators and fusion devices). New instrumentation ( e.g., detectors and electron microscopes). 2. Plasma science; advances in PVD, CVD, plasma-assisted CVD, ion sources, deposition processes and analysis. 3. Surface science; surface engineering, surface chemistry, surface analysis, crystal growth, ion-surface interactions and etching, nanometer-scale processing, surface modification. 4. Materials science; novel functional or structural materials. Metals, ceramics, and polymers. Experiments, simulations, and modelling for understanding structure-property relationships. Thin films and coatings. Nanostructures and ion implantation.