航空预型制造的好处通过弧定向能量沉积制造
Alfredo Suárez1, Pedro Ramiro1, Fernando Veiga2
1Tecnalia, Basque Research and Technology Alliance (BRTA), Paseo Mikeletegi 7, 20009 Donostia-San Sebastian, Spain.
Materials (Basel, Switzerland)
|November 25, 2023
概括
电弧增材制造 (WAAM) 为生产航空航天部件提供了一种新的方法,大大减少了材料浪费和交付时间. 这种方法解决了传统制造业的挑战,提高了效率和成本效益.
科学领域:
- 材料科学与工程 材料科学与工程
- 航空航天制造业 航空航天制造业
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 传统的Ti6Al4V航空组件制造涉及高BTF比率,导致大量的材料浪费,延长生产时间和增加成本.
- 目前供应链的不稳定性进一步复杂化了造预成型的采购和交付,需要更灵活的生产方法.
研究的目的:
- 引入和评估一种创新的航空航天部件生产方法,使用Ti6Al4V的线弧增材制造 (WAAM).
- 为了证明WAAM的可行性,作为一个成本高效和时间高效的替代传统加工造预成型的替代方案.
主要方法:
- 使用线弧增材制造 (WAAM) 制造近成型Ti6Al4V预成型.
- 实施独特的高度补偿策略和各种沉积策略 (单,重叠,振荡).
- 用WAAM生产的Ti6Al4V工件进行拉伸测试,以评估机械性能.
主要成果:
- WAAM Ti6Al4V工件表现出可靠的机械性能,尽管在需要进一步优化的水平样本中发现了异构性行为.
- 与传统方法相比,最初的BTF比率大幅降低.
- 从几个月到几个小时大幅缩短交货时间,同时减少材料浪费,加工时间和相关成本.
结论:
- 电弧增材制造 (WAAM) 为制造航空航天部件提供了一个有希望和高效的替代方案.
- WAAM方法有效地减轻了与合金常规制造工艺相关的经济和环境缺陷.
- 建议进一步优化,以解决 WAAM 生产的 Ti6Al4V 组件中观察到的异构性行为.
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