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Review on role of electrical discharge drilling methods in fabricating micro holes: formation mechanism, defects characterization and mitigation strategies
Electrical discharge drilling (EDD), a non-contact manufacturing technology that brings the potential to fabricate microholes at low cost and relatively high efficiency, has aroused extensive attention at home and abroad. However, the surface/subsurface defects and forming accuracy inherited from the EDD process can significantly impede the mechanical properties and weaken the usage performance of as-micro holes parts and components, probably challenging this process’s reliability and reproducibility. The advancement of simulated technique and characterization detection currently opens up a more a more intuitive and deeper research of micro holes machined by the EDD process. Given that, the paper systematically states the material removal mechanism, debris escaping path, surface/subsurface defects formation, mitigation strategies and improved measures of micro holes fabricated by the EDD process. Consequently, based on current limitations and challenges, hybrid process and theoretical breakthrough play a significant role in future research on the microhole fabricated by the EDD process.
Review on role of electrical discharge drilling methods in fabricating micro holes: formation mechanism, defects characterization and mitigation strategies
Electrical discharge drilling (EDD), a non-contact manufacturing technology that brings the potential to fabricate microholes at low cost and relatively high efficiency, has aroused extensive attention at home and abroad. However, the surface/subsurface defects and forming accuracy inherited from the EDD process can significantly impede the mechanical properties and weaken the usage performance of as-micro holes parts and components, probably challenging this process’s reliability and reproducibility. The advancement of simulated technique and characterization detection currently opens up a more a more intuitive and deeper research of micro holes machined by the EDD process. Given that, the paper systematically states the material removal mechanism, debris escaping path, surface/subsurface defects formation, mitigation strategies and improved measures of micro holes fabricated by the EDD process. Consequently, based on current limitations and challenges, hybrid process and theoretical breakthrough play a significant role in future research on the microhole fabricated by the EDD process.
Review on role of electrical discharge drilling methods in fabricating micro holes: formation mechanism, defects characterization and mitigation strategies
Arch. Civ. Mech. Eng.
Sun, Yao (Autor:in) / Sun, Yirong (Autor:in) / Junyi, Dong (Autor:in) / Yin, Jun (Autor:in) / Li, Sihui (Autor:in) / Gong, Siqian (Autor:in) / Sun, Mingsheng (Autor:in) / Liu, Ming (Autor:in) / Li, Xiang (Autor:in)
06.05.2024
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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