对PMMA-ABS使用循环波动几何学进行T关节配置的近同步激光接的分析
Antonio Lezzoche1,2, Giulia Mossotti1, Carmelo Nicosia3
1Dipartimento di Scienza Applicata e Tecnologia (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.
Materials (Basel, Switzerland)
|November 13, 2025
概括
几乎同时进行的激光接 (QSW) 有效地将聚甲基甲酸 (PMMA) 和烯二乙烯 (ABS) 结合起来. 最佳参数在不到一秒的时间内产生强,非常适合大规模生产.
科学领域:
- 材料科学 材料科学 材料科学
- 制造业 工程 制造工程
- 聚合物加工 聚合物加工
背景情况:
- 激光接是聚合物的关键连接技术.
- 优化激光参数对于不同聚合物接头的接质量至关重要.
- 几乎同时的激光接 (QSW) 提供了高速聚合物接合的潜力.
研究的目的:
- 在T关节配置中研究聚甲基甲基酸盐 (PMMA) 和烯丁乙烯 (ABS) 的近同步激光接 (QSW).
- 确定激光参数 (扫描速度,扫描次数,激光功率) 对接质量 (透深度,接强度) 的影响.
- 为了确定大规模生产兼容性的最佳接条件.
主要方法:
- 使用圆形波动激光路径用于PMMA和ABST关节的QSW.
- 多种扫描速度 (1-2 m/s) 和扫描重复次数 (20-70) ,同时保持总接时间约为1秒.
- 分析了线性能量密度和透深度之间的关系.
- 在不同的激光功率设置 (130W以上) 和扫描重复下评估接强度.
主要成果:
- 线性能量密度和透深度之间观察到直接的相关性,更高的能量导致更深的接.
- 在20次扫描和激光功率超过130W时,达到最大接强度 (1137N).
- 确定了最佳配置,仅在0.8秒内实现了1137N的接强度.
结论:
- QSW是一种可行的技术,可以将PMMA和ABS连接起来,具有高强度和速度.
- 激光参数显著影响接质量,能量密度控制透率,特定设置优化强度.
- 确定了最佳的QSW参数,证明它们适合于工业大规模生产应用.
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