超导线用sic掺杂MgB2的原位制备

IF 0.6 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Annales De Chimie-science Des Materiaux Pub Date : 2021-04-30 DOI:10.18280/ACSM.450210

Satrio Herbirowo, A. Imaduddin, Hendrik, A. Pramono, Sunardi, I. Saefuloh

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引用次数: 2

摘要

二硼化镁(MgB2)是一种极具潜力的取代Nb3Sn的超导材料，其临界温度为~ 39k。采用原位粉末管(PIT)法制备了MgB2线材。采用掺杂碳化硅(SiC)的方法，旨在研究相形成对碳取代和形态特征的影响，以提高超导性能。用不锈钢304管合成了镁、硼、碳化硅粉末，并对其进行了功能性加工。在750°C, 800°C和850°C下进行热处理2小时，然后进行炉冷却。通过x射线衍射仪(XRD)、扫描电镜(SEM)和低温磁体测试对其进行了表征。结果表明:在750℃下烧结2小时，添加1% SiC可使MgB2的零临界温度提高至37.18 K;

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In-Situ Manufacturing of SiC-Doped MgB2 Used for Superconducting Wire

Received: 1 June 2020 Accepted: 30 March 2021 Magnesium diboride (MgB2) is a highly potential superconducting material, in substitution of Nb3Sn, which has a critical temperature of ~ 39 K. This synthesis and manufacturing of MgB2 wire were conducted by in-situ powder in tube (PIT). The method doped with silicon carbide (SiC) was aimed to study the effect of phase formation on carbon substitution and morphological characteristics with the motivation to improve superconductivity properties. Magnesium, boron, and SiC powders were synthesized and functionally processed with stainless Steel 304 tube. Heat treatment was conducted at 750°C, 800°C, and 850°C for 2 hours followed by furnace cooling. Characterization was carried out by x-ray diffractometer (XRD), scanning electron microscopy (SEM), and cryogenic magnet testing. The results showed that 1% SiC optimally increased the zero critical temperature of MgB2 ~ 37.18 K along with the sintering at 750°C for 2 hours.

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来源期刊

Annales De Chimie-science Des Materiaux 工程技术-材料科学：综合

CiteScore

1.70

自引率

25.00%

发文量

审稿时长

>12 weeks

期刊介绍： The ACSM is concerning the cutting-edge innovations in solid material science. The journal covers a broad spectrum of scientific fields, ranging all the way from metallurgy, semiconductors, solid mineral compounds, organic macromolecular compounds to composite materials. The editorial board encourages the submission of original papers that deal with all aspects of material science, including but not limited to synthesis and processing, property characterization, reactivity and reaction kinetics, evolution in service, and recycling. The papers should provide new insights into solid materials and make a significant original contribution to knowledge.