... the erosion rate by 12%. Combined with surface roughness, particle rotation dominates material removal. 24 12 2023 13 04 2024 14 04 2024 30 08 2024 Graphical Abstract Figure erosion UDF-CFD sand particle erosion oil jet pump throat geometry cutting surface...

... a gap in the literature. The coatings produced were analyzed in terms of their composition, morphology, mechanical properties, oxidation resistance, and wear resistance. The parameters that were compared were cutting length and feed per tooth. Both coatings had a stoichiometric chemical composition...

... when the brittle fracture dominates. The means of material removal changes at a certain cutting depth for a particular material, the so-called transition depth of cut (TDoC). This article aims to predict the TDoC while including the effect of friction between the tool and workpiece. We propose...

...Shravan Kumar Yadav; Sudarsan Ghosh; Aravindan Sivanandam Rapid tool wear in machining difficult-to-cut material is a significant challenge since it is related to tool cost, surface integrity of machined components, and power consumption. The reduction in tool wear may be accomplished by cutting...

...Asif Israr; Muhammad Zubair Khan; Ruqia Ikram; Yumna Qureshi; Kashif Riaz Wattoo Nowadays, mixing nanoparticles into cutting fluids is much more common to improve lubrication and cooling properties. Many studies have been carried out in the past to assess the machining performance using nanofluids...

... are advantageous, they are not widely adopted in the industry. Recently, cutting fluids reinforced with nanoparticles has gained attention. The study investigates the machinability of Ti gr. 2 alloys with different cutting parameters and lubrication/cooling systems. Cutting fluids are essential in heat removal...

...Jyoti Prakash Nayak; Chetan In this research work, the turning of Inconel 825 has been carried out using uncoated and coated laser-textured hard tungsten carbide (WC) cutting inserts. The efficacy of uncoated textured inserts has been tried to improve by impregnating them with micro-sized MoS 2...

... but decreased tensile strengths after thermal treatment at 840 °C for 2 h. Sliding wearing tests and cutting experiments were conducted to further understand the effects of heat treatment on machinability. The results showed that as-built SLMed Ti-6Al-4V samples presented lower coefficients of friction...

... orthogonal cutting of annealed AISI 4340 steel (223 HV) with TiN-coated tungsten carbide inserts. Initially, pin-on-disc tests were performed, followed by orthogonal cutting tests. The components of the cutting force were used to calculate the coefficient of friction in orthogonal cutting, and its value...

... alloys. Also, time-dependent prediction of cutting tool wear has not been addressed adequately. In this study, a theoretical model to predict tool wear in drilling as a function of time and to evaluate tool life of anti-abrasion-, TiAlSiN-, and TiAlN-coated drills are presented. Considering feed rate...

...S. V. Sujith; Rahul S. Mulik Major cooling and lubricating properties such as conduction, convection, and lubricant stability at higher temperatures are improvised by the addition of nanoparticle into metal cutting fluids. The present investigation is mainly focused on the effects of pure coconut...

... Rail specimens for the erosion tests were taken from the heat-treated U75V rail. The mechanical properties and chemical compositions of the rail steel are detailed in Table 1 . All rail specimens were cut from the rail head and the dimensions of specimen are illustrated in Fig. 2( a ) . In order...

... to estimate the total erosion rate of all the three materials as a contribution of cutting and deformation wear. 1 Corresponding author. Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . Manuscript received March 23, 2019; final manuscript received May 24...

...Ranjan Das; Suhas S. Joshi; Harish C. Barshilia In multipoint operations like drilling, cutting velocities and cutting-edge geometries vary along cutting lips so is the rate of progression of flank wear. Analytical evaluation of flank wear land width in the case of complex tools has received...

... . Manuscript received March 11, 2017; final manuscript received October 13, 2017; published online December 6, 2017. Assoc. Editor: Nuria Espallargas. 11 03 2017 13 10 2017 Contact area Cutting Erosion Indentation Wear mechanisms Erosion wear is generally determined in terms...

... layer and cutting surface underneath, are studied. In the debris layer, the change of sp 2 carbon atoms is directly affected by impact, while underneath the cutting surface the changes of carbon atoms are almost not affected; the change speed of amorphous carbon atoms is higher than that of pristine...

...Zhengyang Kang; Yonghong Fu; Jinghu Ji; Liang Tian The aim of this technical brief is to provide a numerical approach to investigate the lubricity enhancement effect of microgrooves texture on tools' rake face. The key parameters related to cutting condition and grooves morphology were considered...

...Frédéric Cabanettes; Julian Rolland; Florian Dumont; Joël Rech; Zlate Dimkovski The possibility to reduce the amount of cutting fluids from machining processes is actively studied by the industrialists and researchers. Minimum quantity lubrication (MQL) is a solution toward cutting fluids reduction...

...Ho Yeung; Yang Guo; James B. Mann; W. Dale Compton; Srinivasan Chandrasekar The deformation field, material flow, and mechanics of chip separation in cutting of metals with superimposed low-frequency modulation (<1000 Hz) are characterized at the mesoscale using high-speed imaging and particle...

...Hamdi Ben Abdelali; Cedric Courbon; Joël Rech; Wacef Ben Salem; Abdelwaheb Dogui; Philippe Kapsa The characterization of frictional phenomena at the tool-chip-workpiece interface in metal cutting remains a challenge. This paper aims at identifying a friction model and a heat partition model...