List of Articles Tool wear Open Access Article Abstract Page Full-Text 1 - Optimization The High Speed Machining of Hardened AISI 4140 Steel Using Vapor Deposited Cutting Tools (Wear and Roughness) Mehdi Jalali Azizpour Ata Fardaghaie Open Access Article Abstract Page Full-Text 2 - Tool Wear Modeling in Drilling Process of AISI1020 and AISI8620 Using Genetic Programming Vahid Zakeri Mehrabad Vahid Pourmostaghimi Open Access Article Abstract Page Full-Text 3 - Vibration based Assessment of Tool Wear in Hard Turning using Wavelet Packet Transform and Neural Networks vahid pourmostaghimi Mohammad Zadshakoyan Morteza Homayon Sadeghi