Experimental investigation on surface characteristics of Ti6Al4V alloy during abrasive water jet machining process

AbuShanab, Waheed S.; Moustafa, Essam B.; Harish, Mooli; Shanmugan, S.; Elsheikh, Ammar H.

doi:10.1016/j.aej.2022.01.004

Cited by 34 publications

(9 citation statements)

References 31 publications

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“…The various machining experimentations conducted with the use of solid lubricants show that they exhibit superior lubricating properties than other forms of lubrication [28,29]. Moreover, mixture of solid particles in the base lubricant also exhibited better lubricating properties.…”

Section: Introductionmentioning

confidence: 99%

Modeling of Nanolubricant-Assisted Machining Process by using Multiple Regression Analysis

Srikiran

Pavani²,

Kumaran

2023

Journal of Nanomaterials

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Graphite, due to its hexagonally arranged crystal structure, is a preferred lubricant. The crystal structure within a planar condensed ring system indicates that the layers are stacked in a direction that is parallel to each other. Researchers have reported that the use of graphite powder as a lubricant during machining has exhibited promising results. Mixture of graphite in a carrying medium demonstrated multifunctional lubrication performance due to the separation of sliding surfaces by a liquid lubricant film and protected by solid powder. Scientific literature has pointed out that graphite powder at the nanoscale has been used in various mechanical operations exhibiting promising results. It is found that nanolevel graphite powder has been used previously by researchers in the metal-forming operations and tribological tests. This emphasizes the significance of the present work, which investigates the impact of nanoscale differences in the particle size of graphite powder has on the machining of hardened steel. With SAE 40 oil functioning as the carrying medium and nanocrystalline graphite of various size range performing as the lubricant, the current work attempts to determine the effects of solid-lubricant-assisted machining. It is observed experimentally that the machining parameters have improved with respect to the particle size of the nanopowder. The experimental results show that the cutting forces, tool temperatures, and surface roughness are found to increase as the size of the nanocrystalline graphite powder is reduced from 70–90 to 5–10 nm. Using the experimental values, regression analysis is carried out to develop nonlinear expressions between the input and output variables using SPSS statistical tool. The data are used to develop the models to predict cutting forces, tool temperatures, and surface roughness for the input parameters like size of the nanocrystalline graphite powder, depth of cut, feed rate, and cutting velocity for a considerably good range in a scientific way so that further researchers can use it. Further, the outputs obtained from the experimentation and the regression equations are compared and analysis is carried out in terms of the error percentage.

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Section: Introductionmentioning

confidence: 99%

Modeling of Nanolubricant-Assisted Machining Process by using Multiple Regression Analysis

Srikiran

Pavani²,

Kumaran

2023

Journal of Nanomaterials

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“…This causes less tool wear than conventional manufacturing processes. With the presence of the dielectric medium, the material is removed by producing precisely controlled electrical discharges that occur between tool and workpiece [27,28].…”

Section: Introductionmentioning

confidence: 99%

Multi-response optimization of machining parameters of Ti-6Al-2Sn-4Zr-2Mo alloy using EDM process through grey relational analysis

Perumal¹,

Rajkumar²,

Venkatesan

et al. 2023

Eng. Res. Express

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Due to its high corrosion resistance and low density, it is tedious to machine high strength materials such as titanium alloy for the manufacture of engineering products related to aerospace, automobiles, and medical applications. In this study, an attempt was made to consider the impact of tool electrodes in the electrical discharge machining method for successful machinability of titanium alloy. High temperatures are used during electrical discharge machining to melt and vaporise the hard titanium alloy. In the current work, an EDM machining method was used to machine a Ti-6Al-2Sn-4Zr-2Mo alloy while using the input parameters of pulse on time, voltage, and current as process parameters. The experiments were carried out based on the workpiece, and surface morphology was performed on the workpiece surface. The process parameters were optimised using the Multi-Response Grey Relation Analysis method, and a major effects plot was created to see how the factors affected the MRR and surface roughness. Surface finish and MRR have been discovered to be directly correlated with discharge current. These are the best process parameters for machining pulse on time (150 s), voltage (60 V), and discharge current (16 A).

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“…Many researchers have used the hybridization of nanoparticles with aluminum alloys due to the remarkable properties of the composites produced by this process. A composite material with exceptional strength, homogeneity, and refined grains Coatings 2023, 13, 142 2 of 15 can be produced by friction stir processing (FSP), stir casting, powder metallurgy, and laser melting [4][5][6][7][8][9]. FSP is one of the most promising new technologies for improving the properties of metal surfaces.…”

Section: Introductionmentioning

confidence: 99%

Influence of Vanadium and Niobium Carbide Particles on the Mechanical, Microstructural, and Physical Properties of AA6061 Aluminum-Based Mono- and Hybrid Composite Using FSP

et al. 2023

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The ceramic particle reinforcement process is one of the most utilized techniques to enhance the metal surface. The current investigation uses vanadium and niobium carbides to reinforce the AA6061 alloy using the friction stir process (FSP). The mechanical properties are evaluated using ultrasound and conventional compressive tests; furthermore, the microstructure and physical properties are carried out to show the effect of single and hybrid additives of ceramic particles on the surface composites of aluminum alloy. Scanning electron microscopy (SEM) is utilized to examine the presence and distribution of the reinforcement VC and NbC particles inside the composite matrix. The microstructure examination revealed a good dispersion and homogenized distribution of the reinforcement particles. The results indicated that reinforcement particles significantly enhanced the mechanical and physical properties. The VC and NbC particles play an important role in improving the surface hardening behavior and grain refinement by restricting grain growth during the dynamic recrystallization process in the FSP action. The hybrid composited AA6061/NbC + VC recorded an increase in the compressive stress, yield stress, and hardness of 25%, 20%, and 50%, respectively, relative to the base metal, in addition to a 55% decrease in the coefficient of the thermal expansion (CTE) was reported. Moreover, the hybrid composite AA6061/NbC + VC significantly affected the corrosion rate with a reduction of 45%.

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Experimental investigation on surface characteristics of Ti6Al4V alloy during abrasive water jet machining process

Cited by 34 publications

References 31 publications

Modeling of Nanolubricant-Assisted Machining Process by using Multiple Regression Analysis

Modeling of Nanolubricant-Assisted Machining Process by using Multiple Regression Analysis

Multi-response optimization of machining parameters of Ti-6Al-2Sn-4Zr-2Mo alloy using EDM process through grey relational analysis

Influence of Vanadium and Niobium Carbide Particles on the Mechanical, Microstructural, and Physical Properties of AA6061 Aluminum-Based Mono- and Hybrid Composite Using FSP

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