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首页> 外文期刊>Production Engineering: Research and Development >Friction analysis of alternative tribosystems for a foil free forming of stainless steel using strip drawing test: analysis of physicochemical interactions between coatings and lubricants
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Friction analysis of alternative tribosystems for a foil free forming of stainless steel using strip drawing test: analysis of physicochemical interactions between coatings and lubricants

机译：使用带钢拉拔试验对不锈钢无箔成形的替代摩擦系统进行摩擦分析：分析涂层与润滑剂之间的物理化学相互作用

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摘要

Forming of stainless steel sheets with stringent requirements on surface quality is currently realized using protective foils as a separating agent between the tools and the sheet metal. The protective foils are applied with special machines and need to be removed after the forming process or at the end customer. This approach goes along with economic disadvantages. Alternative tribological systems for foil free forming are insufficiently researched and not yet reliably applicable in a production process. The performed research work is based on experimental analyses investigating the physicochemical properties of selected lubricants with regard to the contact angle, the wetting characteristic, the cohesion strength, and intermolecular forces. Additionally, the surface free energy and the wetting envelope of selected coatings and the sheet metal are investigated. The interactions between the tribological properties of the lubricants and the coatings are evaluated performing a strip drawing test. Finally, the performed work discusses and derives basic mechanisms enabling a foil free forming based on friction coefficients from strip drawing.
机译：目前，使用保护性箔作为工具和金属板之间的分离剂，可以对表面质量有严格要求的不锈钢板成形。保护膜是用特殊机器涂覆的，需要在成型过程之后或在最终客户处去除。这种方法伴随着经济劣势。对于无箔成型的替代摩擦系统，研究不足，并且尚未可靠地应用于生产过程中。进行的研究工作基于实验分析，该实验分析了所选润滑剂在接触角，润湿特性，内聚强度和分子间力方面的理化性质。此外，还研究了所选涂层和金属薄板的表面自由能和润湿范围。进行脱模试验，评估润滑剂和涂层的摩擦学性能之间的相互作用。最后，所进行的工作讨论并得出了基本原理，该原理使得能够基于带材拉拔的摩擦系数实现无箔成型。

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