Investigation of surface integrity in dry machining of Inconel 718

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[1] Umbrello, Domenico

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Umbrello, D. (d.umbrello@unical.it) | 1600年 / Springer London卷 / 69期

关键词：

Machining of advanced aerospace materials have grown in the recent years although the diffucult-to-machine characteristics of alloys like titanium or nickel-based alloys cause higher cutting forces; rapid tool wear; and more heat generation. Therefore; machining with the use of cooling lubricants is usually carried out. To reduce the production costs and to make the processes environmentally safe; the goal is to move toward dry cutting by eliminating cutting fluids. This objective can be achieved by using coated tool; by increasing cutting speed; and by improving the product performance in term of surface integrity and product quality. The paper addresses the effects of cutting speed and feed on the surface integrity during dry machining of Inconel 718 alloy using coated tools. In particular; the influence of the cutting conditions on surface roughness; affected layer; microhardness; grain size; and microstructural alteration was investigated. Results show that cutting conditions have a significant effect on the parameters related to the surface integrity of the product affecting its overall performance. © Springer-Verlag London 2013;

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页码：9 / 12