Powder Mixed Micro Electro Discharge Machining of Aluminium Nitride Ceramic A. Bilal, A. Rashid, C. Liu, M. P. Jahan, D. Talamona and A. Perveen MATEC Web Conf., 303 (2019) 06002 Published online: 12 December 2019 DOI: 10.1051/matecconf/201930306002