Parametric optimization of graphite powder-mixed electrical discharge machining of Ni-Cr dental alloy by response surface methodology

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27230%2F25%3A10259223" target="_blank" >RIV/61989100:27230/25:10259223 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.webofscience.com/wos/woscc/full-record/WOS:001644850100001" target="_blank" >https://www.webofscience.com/wos/woscc/full-record/WOS:001644850100001</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s41598-025-32039-1" target="_blank" >10.1038/s41598-025-32039-1</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Parametric optimization of graphite powder-mixed electrical discharge machining of Ni-Cr dental alloy by response surface methodology

Popis výsledku v původním jazyce

In this study, the effects of machining parameters on material removal rate (MRR), electrode wear rate (EWR) and surface roughness (Ra) in the electrical discharge machining (EDM) of nickel-chromium-based alloy were investigated. Discharge current (I), pulse-on time (Ton), pulse-off time (Toff) and graphite powder concentration were selected as variable parameters in the study. An experimental setup was designed and manufactured for use in powder-mixed EDM experiments. Mathematical models were generated using response surface methodology (RSM), the most effective parameters on the results were determined and regression equations were obtained. Parameter optimization was performed with the highest MRR, lowest EWR, and lowest Ra performance targets. The ideal machining conditions were determined as I = 12.5 A, Ton=66 mu s, Toff=6 mu s and powder-mixed dielectric. Using the powder-mixed dielectric, 34.54% higher MRR, 20.01% lower EWR and 12.64% lower Ra were achieved on average. Using the created mathematical model, the result of the machining to be done with these parameters was predicted and the reliability of the model was tested by comparing the predicted results of the model and the results of the verification experiment.

Název v anglickém jazyce

Parametric optimization of graphite powder-mixed electrical discharge machining of Ni-Cr dental alloy by response surface methodology

Popis výsledku anglicky

In this study, the effects of machining parameters on material removal rate (MRR), electrode wear rate (EWR) and surface roughness (Ra) in the electrical discharge machining (EDM) of nickel-chromium-based alloy were investigated. Discharge current (I), pulse-on time (Ton), pulse-off time (Toff) and graphite powder concentration were selected as variable parameters in the study. An experimental setup was designed and manufactured for use in powder-mixed EDM experiments. Mathematical models were generated using response surface methodology (RSM), the most effective parameters on the results were determined and regression equations were obtained. Parameter optimization was performed with the highest MRR, lowest EWR, and lowest Ra performance targets. The ideal machining conditions were determined as I = 12.5 A, Ton=66 mu s, Toff=6 mu s and powder-mixed dielectric. Using the powder-mixed dielectric, 34.54% higher MRR, 20.01% lower EWR and 12.64% lower Ra were achieved on average. Using the created mathematical model, the result of the machining to be done with these parameters was predicted and the reliability of the model was tested by comparing the predicted results of the model and the results of the verification experiment.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20301 - Mechanical engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Scientific Reports

ISSN

2045-2322

e-ISSN

—

Svazek periodika

15

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

15

Strana od-do

nestránkováno

Kód UT WoS článku

001644850100001

EID výsledku v databázi Scopus

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