List of Articles Duty cycle Open Access Article Abstract Page Full-Text 1 - Experimental Investigation of the Pulse and Plasma Flushing Efficiency in Electrical Discharge Machining H Eivazi-Bagheri M.R Shabgard Open Access Article Abstract Page Full-Text 2 - Investigation nitride coating surface properties and wear on the hot work tool steel AISI H11 in the method pulsed plasma nitriding کیانوش طاهرخانی خیرالله محمدی حسین تارقلی زاده Open Access Article Abstract Page Full-Text 3 - The effect of parameters of pulse Electrodeposition and post annealing on properties of Cobalt-tungsten alloy coating سمیه اباذری سیوندی سعید رستگاری شهرام خیراندیش