List of Articles Experimental Test Open Access Article Abstract Page Full-Text 1 - Study of the Early Development Factors of Failure in Valves of Reciprocating Compressors by Experimental and Numerical Simulation Mostafa Sayahbadkhor Ali Mozafari Alireza Naddaf Oskouei Open Access Article Abstract Page Full-Text 2 - The Effect of Polyurethane Mandrels and NBR in the Bending Process of Steel Pipe with using the Numerical Simulation and Experimental Test Seyed Ali Poursayed Rezaee majid jabbari Open Access Article Abstract Page Full-Text 3 - An Investigation of Using RCS-processed Intramedullary Stainless Steel 316L Nail in the Treatment of Diaphyseal Bone Fractures Abdolreza Rastitalab Salar Khajehpour Ahmad Afsari Shahin Heidari Javad Dehghani Open Access Article Abstract Page Full-Text 4 - Experimental and FEM Analysis of Ribs Defects on Composite Lattice Cylindrical Shells Amin Kolahdooz Seyyed Ali Latifi Rostami Open Access Article Abstract Page Full-Text 5 - طراحی، ساخت و شبیهسازی خودروی کارتینگ احمد کشاورزی علی اکبر صالحی