高熵合金及其对氢的亲和性：从Cantor合金到铂族元素合金
High entropy alloys and their affinity to hydrogen: from Cantor to platinum group elements alloys
AI总结：
本文通过高压X射线衍射对比研究了Cantor及铂族高熵合金在氢环境中的抗氢化物形成能力，发现其抗氢脆性能与工业CuBe合金相当，为涉氢应用提供了依据。
摘要：
高熵合金的性能因其广阔的应用前景而目前备受关注。其中研究最少的方面之一是这些合金对氢的亲和性、氢的扩散及反应。在本研究中，我们在常温下施加高压，研究应力诱导的氢扩散进入高熵合金（HEA）结构的行为，研究对象包括著名的Cantor合金以及较少为人所知但同样重要的铂族金属（PGM）合金。通过对装入金刚石对顶砧中的样品进行X射线衍射，我们在Ne和H2传压介质中对这些HEA合金进行了对比研究。令人惊讶的是，即使在远超传统工业过程的应力下，Cantor合金和PGM合金都表现出对氢化物形成的卓越抵抗力，与广泛使用的工业级CuBe合金相当。我们的观察结果使人们对HEA在涉氢工业和技术中的实际应用（例如涂层等，尤其是与运输和储存相关的应用）持乐观态度。
英文摘要：
Properties of high entropy alloys are currently in the spotlight due to their promising applications. One of the least investigated aspects is the affinity of these alloys to hydrogen, its diffusion and reactions. In this study we apply high-pressure at ambient temperature and investigate stress-induced diffusion of hydrogen into the tructure of high entropy alloys HEA including the famous Cantor alloy as well as less known, but nevertheless important platinum group PGM alloys. By applying X-ray diffraction to samples loaded into diamond anvil cells we perform a comparative investigation of these HEA alloys in Ne and H2 pressure-transmitting media. Surprisingly, even under stresses far exceeding conventional industrial processes both Cantor and PGM alloys show exceptional resistance to hydride formation, on par with widely used industrial grade CuBe alloys. Our observations inspire optimism for practical HEA applications in hydrogen-relevant industry and technology e.g. coatings, etc, particularly those related to transport and storage.
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