Effect of cutting fluid on precision machined surface integrity of heat-resistant stainless steel

Abstract

The machined surface integrity of blades is of utmost importance in the power equipment manufacturing industry. Recently, many blade accidents have been attributable to the misuse of cutting fluids that were necessary in the actual machining of difficult-to-cut materials, but the effect of the cutting fluid on surface integrity and service performance has been persistently neglected. In this article, an investigation into the effect of cutting fluids on the surface quality of a typical blade material was undertaken, combined with properties of two universal cutting fluids. Element composition, surface morphology, residual stress and hardness of the machined surfaces were investigated. The results indicated that cutting fluids could not reduce cutting forces in precision machining. There were some places where local and irregular elemental Cr loss was incurred when machined with the additive Cl, and the depth of Cr loss was 1-2 mm. The machined surface under CF-206 was smooth, and the roughness of CF-210 was the highest. The tensile residual stresses of dry cutting were the highest, whereas those of CF-210 were the lowest. Surface work hardening under cutting fluids was higher, with depths of 20-30 mm. These results are significant for the control of precision machined surfaces and subsurfaces of blades with high integrity and service performance.

Passivation Effect of the Chlorinated Paraffin Added in the Cutting Fluid on the Surface Corrosion Resistance of the Stainless Steel

“…The results show significant corrosion of Fe-based superalloy after prolonged Molecules 2023, 28, 3648 2 of 17 exposure to cutting fluid. Yan P. et al [8] studied the effect of cutting fluid on stainless steel material. The results indicated that corrosion occurred related to the local loss of elemental chromium by using cutting fluid.…”

Effect of Cutting Fluid on Machined Surface Integrity and Corrosion Property of Nickel Based Superalloy

“…Based on the actual machining process in industry, two universal micro-emulsified cutting fluids, denoted as E709 (Master brand, TRIM ® E709 soluble oil) and Blasocut (Blaser Brand, Blasocut 4000 strong mineral oil base high performance cutting fluid), were selected and researched. In order to make sure the cooling, lubricating and corrosion properties of these two cutting fluids, the physical and chemical properties, including viscosity, friction coefficient, surface tension, cooling performance, and pH, were examined, similar to the previous research [ 28 ]. Each test was repeated three times, and then, the average was obtained.…”

Analysis of the minimum chip thickness during turning of duplex stainless steel

“…The effects of the cutting process on the surface integrity of the finished part have gained significant interest during latter years. 21–25 Several studies have been published on the size and influence of h 1 min for different machining operations. Yuan et al 13 conclude that the tool edge radius r β has a major influence on the size of h 1 min .…”