A novel high-entropy alloy with an exceptional combination of soft magnetic properties and corrosion resistance
Source abstract
Abstract
耐腐蚀性能差限制了大多数软磁材料在腐蚀环境中的应用, 尤 其是海洋环境. 因此, 提高软磁材料的耐腐蚀性能是其在海洋环境工业 应用的关键. 然而, 磁性能和耐腐蚀性能之间存在矛盾关系, 耐腐蚀性 能的主要贡献元素Cr的反铁磁性会严重损害合金的磁性能. 本研究开 发了一种兼具优异力学性能和耐腐蚀性能的软磁高熵合金(Fe2.25Co1.25-Cr)94Al6, 其综合性能优于绝大多数已报道的传统和高熵合金软磁材料. 该合金的饱和磁化强度高达141.88 emu g−1, 矫顽力仅有2.9 Oe; 其在模 拟海水中的耐腐蚀性能优于大多数已报道的软磁高熵合金和传统304 不锈钢; 同时, 该合金还具有优异的力学性能, 屈服强度高达1.1 Gpa, 压 缩断裂延伸率超过33%, 硬度高于469 HV. 这种新型的耐蚀软磁高熵合 金有望满足海洋环境中的使役要求, 解决软磁材料在海洋腐蚀环境下 的使役难题.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High Entropy Alloys Studies · High-Temperature Coating Behaviors · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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