We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Experimental research on electrical discharge machining characteristics of engineering ceramics with different electrical resistivities.
- Authors
Ji, Renjie; Liu, Yonghong; Diao, Ruiqiang; Zhang, Yanzhen; Wang, Fei; Cai, Baoping; Xu, Chenchen
- Abstract
Electrical discharge machining (EDM) is the extensively used nonconventional material removal process for machining engineering ceramics provided they are electrically conductive. However, the electrical resistivity of the popular engineering ceramics is higher, and there has been no research on the relationship between the EDM parameters and the electrical resistivity of the engineering ceramics that can be machined effectively by EDM. This paper investigates the effects of the electrical resistivity and the EDM parameters on the EDM performance of ZnO/AlO ceramic in terms of the machining efficiency and the quality. The experimental results showed that the electrical resistivity and the EDM parameters such as pulse on-time, pulse off-time, and peak current had the great influence on the machining efficiency and the quality during electrical discharge machining of ZnO/AlO ceramic. Moreover, the electrical resistivity of the ZnO/AlO ceramic, which could be effectively machined by EDM, increased with increasing the pulse on-time and peak current and with decreasing the pulse off-time, respectively. Furthermore, the ZnO/AlO ceramic with the electrical resistivity up to 3,410 Ω cm could be effectively machined by EDM with the appropriate machining condition.
- Subjects
ELECTRIC metal-cutting; CERAMIC materials; ELECTRIC discharges; ELECTRICAL resistivity; ZINC oxide; ELECTRIC conductivity
- Publication
International Journal of Advanced Manufacturing Technology, 2014, Vol 75, Issue 9-12, p1743
- ISSN
0268-3768
- Publication type
Article
- DOI
10.1007/s00170-014-6258-9