Surface Morphology and Microhardness Behavior of 316l in Hap-Pmedm

Singh, Gurpreet; Lamichhane, Yubraj; Bhui, Amandeep Singh; Sidhu, Sarabjeet Singh; Bains, Preetkanwal Singh; Mukhiya, Prabin

doi:10.22190/fume190510040s

Cited by 19 publications

(17 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This non-traditional machining technique showed its proficiency for the applications in the manufacturing of aerospace products, moulds, dies, etc [ 3 , 4 ]. The process is also recommended to fabricate the bio-implants owing to its favorable results in orthopedic fields [ 5 , 6 , 7 ]. The input process parameters namely pulse-on-time, pulse-off-time, current, dielectric medium, spark gap voltage, type of electrode and polarity (negative or positive) play a momentous role in the machining of diverse materials [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Surface Characterization and Tribological Performance Analysis of Electric Discharge Machined Duplex Stainless Steel

et al. 2020

Self Cite

View full text Add to dashboard Cite

The present article focused on the surface characterization of electric discharge machined duplex stainless steel (DSS-2205) alloy with three variants of electrode material (Graphite, Copper-Tungsten and Tungsten electrodes). Experimentation was executed as per Taguchi L18 orthogonal array to inspect the influence of electric discharge machining (EDM) parameters on the material removal rate and surface roughness. The results revealed that the discharge current (contribution: 45.10%), dielectric medium (contribution: 18.24%) majorly affects the material removal rate, whereas electrode material (contribution: 38.72%), pulse-on-time (contribution: 26.11%) were the significant parameters affecting the surface roughness. The machined surface at high spark energy in EDM oil portrayed porosity, oxides formation, and intermetallic compounds. Moreover, a pin-on-disc wear analysis was executed and the machined surface exhibits 70% superior wear resistance compared to the un-machined sample. The surface thus produced also exhibited improved surface wettability responses. The outcomes depict that EDMed DSS alloy can be considered in the different biomedical and industrial applications.

show abstract

Section: Introductionmentioning

confidence: 99%

Surface Characterization and Tribological Performance Analysis of Electric Discharge Machined Duplex Stainless Steel

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

“…During the EDT process, the particles of desired coating powder, added in the dielectric medium suspended around the discharge column, accelerated and gained sufficient velocity to penetrate to the molten pool before solidification by means of electrophoresis and negative pressure. This was induced after cessation of a discharge, which leads a surface embedded with added fine particles [ 12 ]. This technique significantly affects the surface characteristics of the modified surface, such as morphological structure and chemical compositional analysis [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Enhancing Corrosion and Wear Resistance of Ti6Al4V Alloy Using CNTs Mixed Electro-Discharge Process

Singh¹,

Ablyaz

Шлыков

et al. 2020

Micromachines

Self Cite

View full text Add to dashboard Cite

This paper presents wear and corrosion resistance analysis of carbon nanotubes coated with Ti-6Al-4V alloy processed by electro-discharge treatment. The reported work is carried out using Taguchi’s L18 orthogonal array to design the experimental matrix by varying five input process parameters i.e., dielectric medium (plain dielectric, multi-walled carbon nanotubes (MWCNTs) mixed dielectric), current (1–4 A), pulse-on-time (30–60 µs), pulse-off-time (60–120 µs), and voltage (30–50 V). The output responses are assessed in terms of microhardness and surface roughness of the treated specimen. X-ray diffraction (XRD) spectra of the coated sample reveal the formation of intermetallic compounds, oxides, and carbides, whereas surface morphology is observed using scanning electron microscopy (SEM) analysis. For the purpose of the in-vitro wear behavior of treated samples, the surface with superior microhardness values in plain dielectric and MWCNTs mixed dielectric is compared using a pin-on-disc type wear test. Furthermore, electrochemical corrosion test is also conducted to portray the dominance of treated substrate of Ti-6Al-4V alloy for biomedical applications. It is concluded that the wear-resistant and the corrosion protection efficiency of the MWCNTs treated substrate enhanced to 95%, and 96.63%, respectively.

show abstract

“…In addition, various researchers have experimented with EDM to improve for its low MRR, and enhance the surface properties of workpiece by mixing various types of powders in dielectric fluid (known as powder mixed EDM), which has proved to be a major breakthrough [13][14][15]. Likewise, an increased MRR and micro-hardness of machined surface along with reduced roughness has been witnessed in powder mixed hybrid EDM by researchers [16]. The research community has also been successful in achieving mirror-finish surfaces with a powder-mixed dielectric [17,18].…”

Section: Introductionmentioning

confidence: 99%

Impact of Magnetic Field Environment on the EDM Performance of Al-SiC Metal Matrix Composite

Ablyaz

Bains

Sidhu³

et al. 2021

Micromachines

Self Cite

View full text Add to dashboard Cite

In the present work, a hybrid magnetic field assisted powder mixed electrical discharge machining had been carried out on the Aluminum-Silicon Carbide (Al-SiC) metal matrix composite. The aim of the study was to obtain higher surface finish, and enhanced material removal rate. The dielectric mediums employed were plain EDM oil, SiCp mixed and graphite powder mixed EDM oil for flushing through the tube electrode. The magnetic field intensity, discharge current, T-on/off duration and type of dielectric were the control variables used for present investigation. From the results, it was observed that the machining variables for instance, discharge current, T-on/off duration and type of dielectric conditions remarkably affected the material removal rate, micro-hardness and surface roughness of the machined composite material. The MRR augmented considerably with an increase in the magnetic field intensity along with peak current. Subsequently, the composite with lesser vol.% of SiC particulates witnessed sharp rise in MRR in maximum magnetic field environment (0.66T). In addition, quality of the machined surface improved significantly in graphite powder mixed dielectric flushing condition with intermediate external magnetic field environment. Besides, an enhancement of micro-hardness was quantified as compared to base material due to the transfer of the material (SiCp) during powder mixed ED machining.

show abstract

Surface Morphology and Microhardness Behavior of 316l in Hap-Pmedm

Cited by 19 publications

References 28 publications

Surface Characterization and Tribological Performance Analysis of Electric Discharge Machined Duplex Stainless Steel

Surface Characterization and Tribological Performance Analysis of Electric Discharge Machined Duplex Stainless Steel

Enhancing Corrosion and Wear Resistance of Ti6Al4V Alloy Using CNTs Mixed Electro-Discharge Process

Impact of Magnetic Field Environment on the EDM Performance of Al-SiC Metal Matrix Composite

Contact Info

Product

Resources

About