%0 Conference Proceedings %T Application of Grey Relational Analysis and Simulated Annealing Algorithm for Modeling and Optimization of EDM Parameters on 40CrMnMoS86 Hot Worked Steel %A Azadi Moghaddam, Masoud %A Kolahan, Farhad %A Andalib, Morteza %J بیستمین کنفرانس بین المللی سالانه مهندسی مکانیک ایران- ISME 2012 %D 2012