MgB2超导线带材在新型制冷机直接冷却超导磁共振成像仪(MRI)领域有着良好的应用前景.分析了实用化MgB2超导线带材制备中存在的关键技术问题,详细评述了MgB2超导线带材粉末装管法(包括原位法和先位法)国内外最新研究进展,对比分析了两种方法制备MgB2超导线带材的优缺点,讨论了制备过程中影响MgB2超导线带材临界电流密度、超导芯丝尺寸等实用化特性的关键因素.提出了若干进一步提高MgB2超导线带材综合性能的技术途径并对实用化千米级MgB2线带材制备技术的发展进行了展望.
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