SBIR Phase II: Temperature-Adaptive Nano-Crystalline Combinatorial Self-Lubricating Coating

SBIR第二期：温度自适应纳米晶组合自润滑涂层

• 批准号: 0422080
• 负责人: Wenping Jiang
• 金额: --
• 依托单位: NANOMECH, LLC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-09-15 至 2007-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0422080&HistoricalAwards=false
• 关键词: SBIR; Phase; II; Temperature; Adaptive

This Small Business Innovation Research (SBIR) Phase II research project develops a temperature-adaptive nanoparticles-based solid lubricant coating (ZnO and MoS2 and their metastable forms) on textured cBN/TiN for hard turning and dry machining applications. The uniquely coated tool inserts are able to constantly release the lubricants out of reservoirs on the textured cBN/TiN surface. Currently available solid lubricant coatings do not offer temperature-adaptive properties and are NOT suitable for hard turning applications. Hard turning can offer manufacturers large cost savings compared to grinding. However, the achievable surface finish is critical. The preliminary results indicate that the proposed solid lubricant coating will enhance hard turning surface finish and provide greater consistency. In addition, both environmental and competitive cost issues are causing manufacturers to migrate toward dry machining. Solid lubricant coatings can both improve surface finish and extend the tool life in dry machining applications by lowering the friction at the interface between the tool and the workpiece. Commercially available solid lubricants are primarily configured in layered structures. As wear progresses, the lubrication layer wears away and leaves the hard layer behind. Thus, the proposed novel configuration that provides temperature adaptability while also offering continuous long lasting lubrication has great potential. The proposed research is an excellent example of adding value to industrial products from the investment in nano science and engineering. The project will provide improved understanding of how the tribo-chemistry of nanoparticle coatings can offer temperature adaptive properties and affect machining performance. Also, it will provide insights regarding the micro tribology along the boundary of the particles and binder(s). The primary application of the coating will be for cutting tools in hard turning and dry machining. These are very important and growing commercial markets. Additional markets could be for rotating machinery, dies and molds, and other wear parts. The successful development of the proposed coating will help reduce environmental waste and contaminants from the usage of coolants. The disposal of both the used cutting fluid and the contaminated metal chips that were removed during the cutting process is becoming harder and more costly. The cost of the coolant has been widely estimated as contributing over 15% of a typical part.s machining costs. The project will help facilitate the adoption of high speed machining techniques, which is considered a key factor for the United States maintaining its manufacturing base in the face of strong competition from low labor rate countries.

这项小型企业创新研究（SBIR）二期研究项目开发了一种基于温度自适应纳米颗粒的固体润滑剂涂层（ZnO和MoS2及其亚稳态形式），用于织体cBN/TiN的硬车削和干加工应用。独特的涂层工具刀片能够不断地将润滑油从cBN/TiN表面的储层中释放出来。目前可用的固体润滑剂涂层不提供温度适应性，不适合硬车削应用。与磨削相比，硬车削可以为制造商节省大量成本。然而，可实现的表面光洁度至关重要。初步结果表明，所提出的固体润滑涂层可以提高硬车削表面的光洁度，并提供更好的一致性。此外，环境和竞争成本问题都导致制造商向干式加工迁移。固体润滑剂涂层既可以改善表面光洁度，又可以通过降低工具和工件之间的摩擦来延长干式加工应用中的工具寿命。市售的固体润滑剂主要配置为分层结构。随着磨损的进行，润滑层磨损并留下硬层。因此，在提供温度适应性的同时提供连续持久润滑的新型配置具有巨大的潜力。这项提议的研究是通过对纳米科学和工程的投资来增加工业产品价值的一个很好的例子。该项目将使人们更好地了解纳米颗粒涂层的摩擦化学如何提供温度自适应特性并影响加工性能。此外，它将提供关于沿颗粒和粘合剂边界的微摩擦学的见解。该涂层的主要应用将是硬车削和干式加工的刀具。这些都是非常重要且不断增长的商业市场。其他市场可能是旋转机械、模具和其他易损件。该涂层的成功开发将有助于减少使用冷却剂造成的环境浪费和污染物。在切削过程中，处理使用过的切削液和被污染的金属屑变得越来越困难，成本也越来越高。据广泛估计，冷却剂的成本占一个典型部件的15%以上。S加工成本。该项目将有助于促进高速加工技术的采用，这被认为是美国在面对来自低劳动力率国家的激烈竞争时保持其制造业基础的关键因素。