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B2 相强化型面心立方合金研究进展
Review Progressin B2 StrengthenedFace-centeredCubic Alloys
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- DOI:
- 作者:
- 张佳雪 1，2，3，4，张孟浩 1，2，3，4，王维俊 5，6，叶心兰 1，2，3，4，陈文辉 1，
ZHANG Jiaxue1,2,3,4,ZHANG Menghao1,2,3,4,WANG Weijun5,6,YE Xinlan1,2,3,4, CHEN Wenhui1,2,3,4,ZHI Hui
- 作者单位:
- 1. 西北工业大学 凝固技术全国重点实验室，陕西 西安 710072；2. 西北工业大学 先进润滑与密封材料研究中心，陕西 西安 710072；3. 西北工业大学重庆科创中心，重庆 401135；4. 西北工业大学深圳研究院，广东 深圳 518063；5. 中国科学 院合肥物质科学研究院，安徽 合肥 230031；6. 合肥综合性国家科学中心能源研究院，安徽 合肥 230031
1. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072,China ; 2. Center of Advanced Lubrication and Seal Materials, Northwestern Polytechnical University, Xi'an 710072,China; 3. Innovation Center NPU·Chongqing, Chongqing 401135,China; 4. Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518063,China; 5. Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031,China; 6. Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031,China
- 关键词:
- B2 相；微观结构；变形机制；力学性能；腐蚀行为
B2 phase; microstructure; deformation mechanisms; mechanical properties; corrosion behavior
- 摘要:
- 面心立方(face-centered cubic, FCC)结构合金凭借其优异的塑性和韧性，被广泛应用于航空航天、能源等重要领域。 然而，在实际工程应用中，FCC 合金通常面临着高强度与延展性难以兼得的固有限制。 近年来，B2 相的引入被认为是解决这一问题的重要途径。 本文综述了 B2 相强化型 FCC 合金的研究进展，重点讨论了 B2 相的成分特征、晶体结构、形核机制及其对力学性能与腐蚀行为的影响规律。 在此基础上，进一步归纳了不同形态与尺寸的 B2 相在强化机制中的作用差异，并分析了其对耐蚀性的影响及调控策略。 最后，总结了当前研究中的关键问题，并对 B2 相调控 FCC合金强塑性与耐蚀性能协同优化的发展进行了展望。Face-centered cubic (FCC) alloys have been extensively used in aerospace, energy, and other engineering fields owing to their excellent plasticity and toughness. However, in practical applications, these alloys typically encounter an intrinsic strength-ductility trade-off. The introduction of the B2 phase has recently emerged as a promising approach to address this challenge. This paper reviews the research progress on B2 phase-strengthened FCC alloys, focusing on the compositional characteristics, crystal structure, nucleation mechanisms, and effects of the B2 phase on mechanical properties and corrosion behavior. On this basis, this paper emphasizes the differences in the role of B2 phase morphology and scale in strengthening mechanisms and analyses its impact on corrosion resistance and control strategies. Finally, the key issues in current research are summarized, and perspectives on the future development of synergistic optimization of strength, plasticity, and corrosion resistance in B2 phase-modulated FCC alloys are offered.