In-Situ Laser Spectroscopic Studies of Boundary Lubricant Films

边界润滑膜的原位激光光谱研究

• 批准号: 9313820
• 负责人: Ronald Neuman
• 金额: $ 4万
• 依托单位: Auburn University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-09-01 至 1998-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9313820&HistoricalAwards=false
• 关键词: Situ; Laser; Spectroscopic; Studies; Boundary

9313820 Neuman A Surface force microscope equipped with silica surfaces and laser spectroscopic attachments will be used to simultaneously study the tribological properties of molecularly thin liquid films and the behavior of the molecules in the liquid. The techniques of sum-frequency generation and flourescence recovery after photobleaching will be used to independently measure molecular orientation, mobility, interacions with the surface, and relaxation. These properties will be correlated with stick- slip transitions, shear stress and rheology of the thin film. The liquids to be tested include perflouropolyether and n- hexadecane with and without phisisorbed and chemisorbed additives. Part of the work will be performed in cooperation with the Swedish Institute for Surface Chemistry in Stockholm. ***

9313820 Neuman A表面显微镜和配备有二氧化硅表面的表面力显微镜和激光光谱附着将用于同时研究分子稀薄液体膜的摩擦学特性以及液体中分子的行为。 光漂白后总频率产生和粉料恢复的技术将用于独立测量分子取向，迁移率，表面与弛豫的相互作用。 这些特性将与薄膜的棍子滑移过渡，剪切应力和流变学相关。 要测试的液体包括有或没有质感和化学吸附添加剂的Perfloulopolyether和N-六烷。 部分工作将与斯德哥尔摩的瑞典地面化学研究所合作进行。 ***