Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque
In the present study the effect of electrode size and discharge current on material removal rate (MRR) and wear ratio (WR) during electrical discharge machining has been investigated. The work and electrode materials were mild steel and copper respectively. The diameters of the cylindrical electrod...
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| Format: | Article |
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UiTM Press
2010
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| Online Access: | https://ir.uitm.edu.my/id/eprint/13732/ |
| _version_ | 1848803304347271168 |
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| author | Khan, Ahsan Ali Ali, Mohammad Yeakub Haque, Md. Mohafizul |
| author_facet | Khan, Ahsan Ali Ali, Mohammad Yeakub Haque, Md. Mohafizul |
| author_sort | Khan, Ahsan Ali |
| building | UiTM Institutional Repository |
| collection | Online Access |
| description | In the present study the effect of electrode size and discharge current on material removal rate (MRR) and wear ratio (WR) during electrical discharge machining has been investigated. The work and electrode materials were mild
steel and copper respectively. The diameters of the cylindrical electrodes were 9, 15, 20 and 30 mm. Experiments were conducted for three current values of 2.5, 3.5, and 6.5 A. MRR and WR were analyzed with respect to current density. Both MRR and WR were found to increase with the increase of current density. The trend lines are also expressed by two degree parabolic plots and equations.
The models were found to be significant with the R-squared and p-values of 0.95 and 0.0001 respectively. Higher current density produces sparks of higher thermal energy which increases MRR and WR. For a constant current, an
electrode of smaller diameter exhibited a higher MRR as well as WR. |
| first_indexed | 2025-11-14T21:37:07Z |
| format | Article |
| id | uitm-13732 |
| institution | Universiti Teknologi MARA |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T21:37:07Z |
| publishDate | 2010 |
| publisher | UiTM Press |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | uitm-137322016-07-25T03:15:14Z https://ir.uitm.edu.my/id/eprint/13732/ Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque jmeche Khan, Ahsan Ali Ali, Mohammad Yeakub Haque, Md. Mohafizul Production of electric energy or power In the present study the effect of electrode size and discharge current on material removal rate (MRR) and wear ratio (WR) during electrical discharge machining has been investigated. The work and electrode materials were mild steel and copper respectively. The diameters of the cylindrical electrodes were 9, 15, 20 and 30 mm. Experiments were conducted for three current values of 2.5, 3.5, and 6.5 A. MRR and WR were analyzed with respect to current density. Both MRR and WR were found to increase with the increase of current density. The trend lines are also expressed by two degree parabolic plots and equations. The models were found to be significant with the R-squared and p-values of 0.95 and 0.0001 respectively. Higher current density produces sparks of higher thermal energy which increases MRR and WR. For a constant current, an electrode of smaller diameter exhibited a higher MRR as well as WR. UiTM Press 2010 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/13732/1/AJ_AHSAN%20ALI%20KHAN%20JME%2010.pdf Khan, Ahsan Ali and Ali, Mohammad Yeakub and Haque, Md. Mohafizul (2010) Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque. (2010) Journal of Mechanical Engineering (JMechE) <https://ir.uitm.edu.my/view/publication/Journal_of_Mechanical_Engineering_=28JMechE=29.html>, 7 (1). pp. 81-90. ISSN 1823-5514 ; 2550-164X https://jmeche.uitm.edu.my/ |
| spellingShingle | Production of electric energy or power Khan, Ahsan Ali Ali, Mohammad Yeakub Haque, Md. Mohafizul Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque |
| title | Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque |
| title_full | Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque |
| title_fullStr | Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque |
| title_full_unstemmed | Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque |
| title_short | Effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / Ahsan Ali Khan, Mohammad Yeakub Ali and Md. Mohafizul Haque |
| title_sort | effect of discharge current and electrode size on material removal rate and wear ratio in electrical discharge machining / ahsan ali khan, mohammad yeakub ali and md. mohafizul haque |
| topic | Production of electric energy or power |
| url | https://ir.uitm.edu.my/id/eprint/13732/ https://ir.uitm.edu.my/id/eprint/13732/ |