List of Articles Metal matrix composite Open Access Article Abstract Page Full-Text 1 - Design and Optimization of Metal Matrix Composite (MMC’S) Spur Gear Purushottam Karthik Janaswamy Rohith Sai Tunuguntla Sai Praneeth Singu Open Access Article Abstract Page Full-Text 2 - Effect of Rotational Speed on Wear Behavior and Mechanical Properties of Friction Stir Welded AA6061+15%Al2O3p Metal-Matrix Composite Moslem Paidar Mojtaba Jafarian Mohsen Salehi Mohammad Saeed Khakpash