Materials Processing Initiative: New Ion Implantation Technique for Improved Performance of Cutting Tools and Dies

材料加工计划：提高切削工具和模具性能的新离子注入技术

• 批准号: 8712461
• 负责人: John Conrad
• 金额: $ 76.79万
• 依托单位: University of Wisconsin-Madison
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1988
• 资助国家: 美国
• 起止时间: 1988-05-01 至 1991-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8712461&HistoricalAwards=false
• 关键词: Materials; Processing; Initiative; New; Ion

This grant is an award by the National Science Foundation under the Materials Processing Joint Initiative. The objective of the research is to study the effects of plasma source ion implantation on the microstructural, mechanical, and tribological properties of hard materials. The research emphasizes investigation of plasma physics scaling laws (for example, variation of plasma density, implantation energy, pulse length, and spatial uniformity of dose), characterization of the micro chemical composition and microstructure of the implanted materials (for example, electron microscopy, energy dispersive x-ray analysis, and Auger electron spectroscopy), characterization of the mechanical properties (for example, hardness), and tribological evaluation (for example, wear resistance, wear damage mechanisms, coefficient of friction). The program includes preparation of cutting tools for field testing in an industrial environment to determine the effectiveness of ion implantation in increasing the hardness and wear resistance of the materials for cutting tool applications. The research program represents an innovative and cost- effective approach to improving the wear resistance of materials via modification of the surface of the material using plasma source ion implantation. Ion implantation has been used routinely by the semiconductor industry to improve the electronic properties of integrated circuits. The implantation techniques and equipment used in the electronics industry is too expensive and impractical for scale-up for use on large area manufacturing of parts such as cutting tools. This program is to investigate the effectiveness of plasma source ion implantation for treating the surface of parts having large surface area and complex shapes. The effectiveness of modification of the hardness and wear resistance of metals, ceramics and polymers has been shown for small specimens, and this program will investigate the fundamental aspects of large area plasma sources.

这项资助是国家科学基金会在材料加工联合倡议下的一项奖励。本研究的目的是研究等离子体源离子注入对硬质材料的组织、力学和摩擦学性能的影响。研究侧重于研究等离子体物理标度规律(例如，等离子体密度、注入能量、脉冲长度和剂量的空间均匀性的变化)，表征注入材料的微观化学成分和微观结构(例如，电子显微镜、能量色散X射线分析和俄歇电子能谱)，表征机械性能(例如，硬度)，以及摩擦学评价(如耐磨性、磨损损伤机理、摩擦系数)。该计划包括准备在工业环境中进行现场测试的刀具，以确定离子注入在提高刀具应用材料的硬度和耐磨性方面的有效性。该研究计划代表了一种创新的、具有成本效益的方法，通过使用等离子体源离子注入对材料表面进行改性来提高材料的耐磨性。离子注入已被半导体工业用来改善集成电路的电子性能。电子工业中使用的注入技术和设备过于昂贵和不切实际，无法扩大用于大规模制造刀具等部件的规模。本课题旨在研究等离子体源离子注入对大表面积、复杂形状零件表面处理的效果。金属、陶瓷和聚合物的硬度和耐磨性的改善在小样品上表现出了有效性，这个项目将研究大面积等离子体源的基本方面。