Electric discharge machining on stainless steel using a blend of copper and fly ash as the electrode material
Authors:
- Ponnambalam Balamurugan,
- Marimuthu Uthayakumar,
- Manickaraj Pethuraj,
- Dariusz Mierzwiński,
- Kinga Korniejenko,
- Mohd Shukry Abdul Majid
Abstract
In the current work, several composites made with fly ash reinforcements are used to conduct electrical discharge machining (EDM) on stainless steel that is commercially accessible. Four composites were prepared with 2.5 to 10% reinforcement of fly ash with steps of 2.5%, copper is used as the matrix material. The specimens were created using the powder metallurgy method, which involved compaction pressures of 450 MPa and 900 °C for 90 min of sintering. The prepared composites are used as the electrode tool for EDM. EDM studies were carried out at two different current amplitudes (5A and 15A) by maintaining the Pulse on time (100 µs), Pulse off time (50 µs), and the depth of machining as 2 mm. The findings show that the addition of more fly ash to the copper matrix increased the material removal rate when cutting the SS304 plate and had a negative impact on the tool. The composite loses its ability to transfer heat during machining as the level of fly ash increases, raising the temperature in the copper matrix and causing the copper to melt more quickly at the electrode interface during machining, leading to increased electrode wear. While tool life was reduced because of the increase in current amplitude, machinability was enhanced.
- Record ID
- CUTd4a3e0c05ed94e59be80e42ecc5152a2
- Publication categories
- ;
- Author
- Journal series
- Materials, ISSN , e-ISSN 1996-1944, Biweekly
- Issue year
- 2022
- Vol
- 15
- No
- 19
- Pages
- [1-10]
- Article number
- 6735
- Other elements of collation
- rys.; tab.; wykr.; Bibliografia (na s.) - 9-10; Bibliografia (liczba pozycji) - 39; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 15, Iss. 19, Spec. Iss.
- Substantive notes
- Special Issue: Non-conventional Machining of Hard Materials
- Keywords in English
- electric discharge machining (EDM), copper, fly ash, tool wear
- ASJC Classification
- DOI
- DOI:10.3390/ma15196735 Opening in a new tab
- URL
- https://www.mdpi.com/1996-1944/15/19/6735 Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 140
- Score source
- journalList
- Score
- Publication indicators
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTd4a3e0c05ed94e59be80e42ecc5152a2/
- URN
urn:pkr-prod:CUTd4a3e0c05ed94e59be80e42ecc5152a2
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.