About the physical-chemical theory dispersion hardening of metal-working tool working surfaces

Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369) Pub Date : 2000-03-03 DOI:10.1109/SPCMTT.2000.896104

M. N. Salmanov, N. Salmanov, V. B. Butigin

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Abstract

The research of tribotechnical phenomena occurring in a working area of the tool (punches of heat deforming press and cutting tool) under exploitation appears to be of great significance due to problems of its reliability and durability. These factors depend on properties of new phases which are formed in a working contact zone as a result of cyclical temperature and power effects, and also from interaction with products of tribodestruction of greasing-cooling liquids (GCL). Starting from the above, the purpose of research was the analysis of the origin of self-influence of chemical composition of the GCL. The tool reliability and durability depends on properties of chemical connections formed on working surfaces of the tool. The creation of more plastic and tear-proof chemical connections (phases) on working surface decreases chipping and wearing of the tool. Physico-chemical theory dispersion of hardening allows us to select the most effective fixed methods of chemical-thermal processing and depositions of coatings depending on conditions of activity of the tool.

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关于金属加工刀具工作面弥散硬化的物理化学理论

由于刀具(热变形压力机和刀具的冲头)的可靠性和耐用性问题，对其工作区域发生的摩擦技术现象进行研究具有重要意义。这些因素取决于在工作接触区形成的新相的性质，这些新相是由于周期性温度和功率效应，以及与润滑脂冷却液(GCL)摩擦破坏产物的相互作用而形成的。在此基础上，研究的目的是分析GCL化学成分自影响的来源。刀具的可靠性和耐用性取决于在刀具工作表面形成的化学连接的性能。在工作表面产生更多的塑料和防撕裂化学连接(相)，减少了工具的切屑和磨损。物理-化学理论的分散硬化使我们能够根据工具的活性条件选择最有效的化学-热加工和沉积涂层的固定方法。

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Proceedings of the 6th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists. Modern Techniques and Technology. MTT'2000 (Cat. No.00EX369)

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