在横向超声波振动辅助接下,对CFRP接接头的干扰适合尺寸进行实验研究和定量预测
Xingxing Wang1,2, Yunyang Shi3, Haicheng Pan3
1College of Mechanical and Electrical Engineering, Suqian University, Suqian No. 399, Sucheng District, Huanghe Street, Suqian, 223800, China. wangxx@squ.edu.cn.
Scientific reports
|September 2, 2023
概括
一种新的横向超声波振动辅助钉 (TUVAR) 工艺提高了碳纤维增强聚合物 (CFRP) 关节的统一性. 这种方法量化了干扰适合尺寸,优化了可预测和强钉接头的参数.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造过程 制造过程 制造过程
- 机械工程 机械工程
背景情况:
- 在碳纤维增强聚合物 (CFRP) 钉的膝关节中实现统一的干扰适应尺寸对于一致的机械性能至关重要.
- 传统的钉方法往往难以精确控制干扰适合尺寸,影响关节的可靠性.
研究的目的:
- 开发和验证一个横向超声波振动辅助钉 (TUVAR) 工艺,用于CFRP接头的可量化的干扰适合尺寸.
- 建立算法,将过程参数 (振动幅度,持续时间,粗度) 与干扰适合尺寸相关联.
- 为了研究不同干扰适应尺寸对TUVAR加工的CFRP钉膝关节的抗拉强度的影响.
主要方法:
- 一种横向超声波振动辅助钉 (TUVAR) 工艺的开发.
- 利用算法来确定基于最小化干扰适合尺寸差异 (ICV-min) 的最佳钉参数.
- 预测平均干扰适合大小 (IA) 的实验验证,平均绝对百分比误差低于10%.
- 在CFRP钉的膝关节上进行了拉力测试,干扰适应尺寸从1.4%到2.0%不等.
主要成果:
- 图瓦 (TUVAR) 工艺成功地提高了CFRP钉式膝关节中干扰适合尺寸的统一性.
- 建立了一种定量优化方法,准确预测统一干扰适合尺寸的钉参数.
- 通过2.0%的干扰适合尺寸实现了最大最终抗拉强度,表明适合尺寸和关节强度之间存在明显的关系.
结论:
- 开发的TUVAR工艺提供了一种可行的方法,用于精确控制和量化CFRP钉中的干扰适合尺寸.
- 量化优化方法有效地预测了过程参数,以实现所需的干扰适合统一性和增强的机械性能.
- 这项研究为使用先进的钉技术在CFRP应用中提供了可预测和优化的联合设计的基础.
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