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关于合金阻尼机制的研究进展

Jinxing Wang^1,2, Zhicheng Wan^1,2, Cong Dang^1,2

¹College of Materials Science and Engineering, Chongqing University, Chongqing 400030, China.

Materials (Basel, Switzerland)

|December 9, 2023

概括

这篇评论探讨了合金.

科学领域:

材料科学,金和机械工程.

背景情况:

合金具有高特异性强度和低密度,但在机械和阻尼性能之间保持平衡.
高阻尼性合金往往缺乏足够的强度和可塑性用于工业用途.
了解阻尼机制对于开发先进的合金至关重要.

研究的目的:

综合审查缩机制和影响合金缩性能的内部因素.
确定常见的减压机制及其与材料结构的关系.
突出影响阻尼的内部因素,并指导未来的研究.

主要方法:

关于合金阻尼机制现有研究的文献综述.
对已建立的理论进行分析,例如GL脱位理论,双和接口.
检查内部因素,如脱位密度,溶解物原子和粒度结构.

主要成果:

常见的缓冲机制包括GL脱位理论,双重缓冲和接口缓冲.
特定的长期堆叠有序 (LPSO) 阶段增强了位移运动,改善了阻尼.
内部因素,如位移密度,溶解物原子和粒度边界,通过影响能量消散,直接影响减缓.

结论:

对阻尼机制和内部因素的彻底理解对于设计新型高阻尼合金至关重要.
需要进一步研究新的阻尼机制和溶解物原子.
优化内部因素可以使合金满足阻尼和机械要求.

关键词:

阻尼能力的阻尼能力.缓冲机制缓冲机制影响因素是影响因素.合金合金合金

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