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冷对Al/TiB₂的微观结构和性能的影响通过累积卷粘合制造的分层复合材料

Wenchao Sun¹, Zhilei Xiang¹, Jihao Li¹

¹College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China.

Materials (Basel, Switzerland)

|March 14, 2026

概括

使用累积结合 (ARB) 和冷制造制造Al/TiB2合金板材,产生了纳米晶体结构. 增加的冷削减导致严重的和塑料不稳定性,对层强度产生负面影响.

科学领域:

材料科学材料科学材料科学
金工业是一种金工业.
纳米技术纳米技术

背景情况:

用陶颗粒加强的合金,如二博化 (TiB2) 提供增强的机械性能.
高性能金属矩阵复合材料的制造通常涉及复杂的加工技术.

研究的目的:

为了研究制造Al/TiB2合金板材.
在不同的冷缩减下,描述这些板材的微观结构和机械性能.
了解复合板材中塑料不稳定的机制.

主要方法:

累积卷粘合 (ARB) 和冷用于层状材料的制造.
扫描电子显微镜 (SEM) 和传输电子显微镜 (TEM) 用于微观结构分析.
拉力测试用于评估机械性能和塑料不稳定性.

主要成果:

成功生产具有纳米晶体结构的层状复合材料板.
越来越多的冷削减导致Al12Zn2.2Mg1.7Cu3TiB2层严重结,在80%的削减下接近破裂.
发现明显的部会对层材的强度产生不利影响.

结论:

/TiB2层材中的塑料不稳定性与剪切带和层之间机械性质不匹配有关.
局部变形和结是影响制造层材的整体强度的关键因素.
该研究强调了实现纳米晶体结构和在严重塑性变形时保持机械完整性之间的权衡.

关键词:

累积式滚动粘合方式层状板材层状板材层状板材机械性能机械性能机械性能在子上着子.

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