SBIR Phase I: Environmentally-Friendly Coolant System for Composite CFRP (Carbon Fiber Reinforced Plastic) Drilling

SBIR第一期：用于复合CFRP（碳纤维增强塑料）钻孔的环保冷却剂系统

• 批准号: 0944494
• 负责人: Jon Turner
• 金额: $ 14.88万
• 依托单位: Cool Clean Technologies Inc.
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-01-01 至 2010-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0944494&HistoricalAwards=false
• 关键词: SBIR; Phase; Environmentally; Friendly; Coolant

This Small Business Innovation Research (SBIR) Phase I project aims to develop a novel environmentally-friendly CO2 coolant system to drill CFRP-Ti (Carbon Fiber Reinforced Plastic with layers of Titanium) used in the aerospace industry. Carbon dioxide will be applied as frozen dry-ice (CO2) particles through the drill stem directly into the drill cut zone, providing significant controllable cooling and lubrication to the drill and the surrounding CFRP-Ti material. A bio-based lubricant may be added to provide additional lubrication if necessary. The broader/commercial impact of this project will be the potential to provide an environmentally-benign coolant system for CFRP-Ti drilling applications. The aerospace industry is using more CFRP-Ti in aircraft components as it is more durable and lighter than aluminum or similar metals. However, CFRP-Ti is abrasive and difficult to drill, resulting in significant heat being generated from the force and the friction of drilling, which is detrimental to the CFRP base materials. The industry currently uses petroleum oil and water for cooling, which has following problems, (1) it does not provide adequate cooling; (2) it is not environmentally friendly and must be treated as hazardous waste; (3) it requires biocides to reduce bacteria; and (4) it is not conducive to a healthy and safe worker environment. This project may provide a novel coolant system with environmental benefits, improved quality, and reduced cost structure. Furthermore, the CO2 used in this process will be recycled from other industrial sources, thereby not a CO2 generator.

这个小型企业创新研究(SBIR)第一阶段项目旨在开发一种新型的环保型二氧化碳冷却剂系统，用于钻取航空航天工业中使用的碳纤维增强塑料(CFRP-Ti)。二氧化碳将作为冷冻干冰(CO2)颗粒通过钻杆直接进入钻削区域，为钻头和周围的CFRP-Ti材料提供显著的可控冷却和润滑。如有必要，可添加生物基润滑剂以提供额外的润滑。该项目的更广泛/商业影响将是为CFRP-Ti钻井应用提供环境友好的冷却剂系统的潜力。航空航天工业正在飞机部件中使用更多的CFRP-Ti，因为它比铝或类似的金属更耐用、更轻。然而，碳纤维复合材料钛具有研磨性，钻削困难，钻削过程中的作用力和摩擦力会产生大量热量，对碳纤维复合材料基材不利。该行业目前使用石油和水进行冷却，存在以下问题：(1)没有提供足够的冷却；(2)不环保，必须作为危险废物处理；(3)需要杀生剂来减少细菌；(4)不利于健康和安全的工作环境。该项目可以提供一种具有环境效益、改善质量和降低成本结构的新型冷却液系统。此外，这一过程中使用的二氧化碳将从其他工业来源回收，因此不是二氧化碳发生器。