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金属成形工艺在很大程度上取决于工具材料和润滑剂的选择。为了选择合适的组合，我们开发了一种新的测试方法来测试摩擦系数，粘附和刀具磨损。本课题重点研究了（1）温度效应和（2）工具-工件界面尺寸效应对摩擦的影响，并对陶瓷材料作为金属拉丝成形工具的可行性进行了研究，从实验和理论上证实了温度效应和尺寸效应对工具-工件界面温升的影响。因此，开发了一种预测摩擦系数的分析方法;该分析涉及润滑剂粘度的温度和压力敏感性、工具和工件材料的热性能以及摩擦系数与引入工具和工件表面之间的差距中的润滑剂厚度之间的关系。这个项目的目标大体上达到了。然而，各种实际金属成形过程的模拟还有待于作为未来的工作进行;需要了解实际过程的热条件。此外，由于摩擦系数与润滑膜厚度的关系是一级近似，因此还需要进一步研究。陶瓷材料的可行性研究也相当令人满意。从摩擦系数、耐磨性和抗粘滞性等方面确定了碳化硅的最佳性能，氮化硅次之，氧化锆次之。在本项目中，拉丝被用作测试方法。它也是重要的，以检查在各种成型工艺的可行性。

Metal forming processes are quite dependent on the choice of tool material and lubricant. For choosing appropriate combination of them, we have developed a new testing method for testing friction coefficient, sticking and tool wear. In this project, particular attention was paid to (1) temperature effect and (2) size effect of tool-workpiece interface on friction and also to feasibility study of ceramic materials for metal forming tools by wiredrawing.For the temperature effect and size effect, it was experimentally and theoretically confirmed that the temperature rise at the tool-surface is dependent on the size of the interface. An analytical method of predicting friction coefficient was thus developed; the analysis involves temperature and pressure sensitivity of the viscosity of the lubricant, thermal properties of the tool and workpiece materials and also a relationship between the friction coefficient and the thickness of the lubricant introduced into the gap between the tool and workpiece surfaces. The objectives of the project were by and large reached. However, the simulation of the various actual metal forming processes has yet to be undertaken as a future work; the knowledge on the thermal conditions for actual processes will be needed. Also, since the relationship between the friction coefficient and the lubricant film thickness was a first approximation, this should be investigated further in detail.The feasibility study of ceramic materials was also quite satisfactory. It was confirmed that silicon carbide is the best in view of friction coefficient, antiwear and antisticking; silicon nitride follows nest and zirconia the third. In this project, wire drawing was employed as a test method. It is also of importance to examine the feasibility in various forming processes.