EAGER/Collaborative Research: Exploratory Study of Nano Ultrasonic Machining Process

EAGER/合作研究：纳米超声波加工工艺的探索性研究

• 批准号: 1137981
• 负责人: Kamlakar Rajurkar
• 金额: $ 5万
• 依托单位: University of Nebraska-Lincoln
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-08-15 至 2013-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1137981&HistoricalAwards=false
• 关键词: EAGER; Collaborative; Research; Exploratory; Study

Collaborative research: EAGER: Exploratory Study of Nano Ultrasonic Machining ProcessAbstract. This collaborative research work will study the feasibility of vibration assisted target specific nanoscale machining of brittle material. The goal of the research is to generate fundamental knowledge of nano ultrasonic machining process by conducting rigorous analytical and experimental investigations to understand the mechanism of material removal, the range of machinable feature sizes, effect of machining parameters on the productivity of the machined feature, and the uncertainty and sustainability of the nano ultrasonic machining process. A commercial atomic force microscope (AFM) will be used in this exploratory research as an experimental platform to perform ultrasonic nano abrasive machining, as well as nano measurement. The scope of the research includes a process model formulation to predict the material removal, based on appropriate set of process parameters. The scientific barriers such as lack of knowledge base of ductile and brittle mode erosion at nano scale models, and technical barriers such as behavior of abrasive powder at ultrasonic frequency and nanoscale, form the main risks of this study. However, if successful, this project will lead to a new and very effective process for the accurate nano scale machining of brittle materials used in electronic, medical, automotive and aviation industries.Success of this research is expected to have a transformative effect on the target specific nanomachinability of a wide variety of both conductive and nonconductive materials. Potential applications include high precision DNA detection devices, interconnects nano packaging, and low cost mask correction for electronics manufacturing. Results of this study may serve as prelude to abrasive based picofinishing technology. Outcome of this project will be synergized with our other nano machining activities to educate graduate and undergraduate students in manufacturing courses offered at University of Cincinnati and University of Nebraska-Lincoln. This experience will be used to nurture training and learning within underrepresented minorities and to augment the ongoing partnership with area school community. The results of this research will be disseminated through peer-reviewed publications, presentations and university?s websites, short courses at professional society meetings and reports to NSF.

合作研究：EAGER：纳米超声加工工艺的探索性研究摘要。这项合作研究工作将研究脆性材料振动辅助目标特定纳米级加工的可行性。该研究的目标是通过进行严格的分析和实验研究来了解材料去除的机制、可加工特征尺寸的范围、加工参数对加工特征生产率的影响以及纳米超声加工过程的不确定性和可持续性。这项探索性研究将使用商用原子力显微镜（AFM）作为实验平台来进行超声波纳米磨料加工以及纳米测量。研究范围包括基于适当的工艺参数集来预测材料去除的工艺模型公式。缺乏纳米尺度塑性和脆性模式侵蚀的知识基础等科学障碍，以及磨料粉末在超声频率和纳米尺度下的行为等技术障碍，构成了本研究的主要风险。然而，如果成功，该项目将带来一种新的、非常有效的工艺，用于电子、医疗、汽车和航空工业中使用的脆性材料的精确纳米级加工。这项研究的成功预计将对目标产生变革性影响各种导电和非导电材料的特定纳米可加工性。潜在应用包括高精度 DNA 检测设备、互连纳米封装以及电子制造的低成本掩模校正。这项研究的结果可以作为基于磨料的超精细抛光技术的前奏。该项目的成果将与我们的其他纳米加工活动相结合，为研究生和本科生提供辛辛那提大学和内布拉斯加大学林肯分校提供的制造课程的教育。这一经验将用于培养代表性不足的少数群体的培训和学习，并加强与地区学校社区的持续伙伴关系。这项研究的结果将通过同行评审的出版物、演示文稿和大学网站、专业协会会议的短期课程以及向 NSF 提交的报告进行传播。