2 – The Effect of Multi-Walled Carbon Nanotubes Additives on the Tribological Properties of Austempered AISI 4340 Steel

3- The Effect of Carburization and Repeated Heat Treatment with Different Solutions on the

4- Study the Machining Accuracy in Hole Reaming of Medium Carbon Steel Using Ultrasonic Vibration Method

5- Study the Machining Accuracy in Hole Reaming of Medium Carbon Steel Using Ultrasonic Vibration Method –

6- A Comparison Between a Solid Block Made of Concrete and Others Made of Different Composite Materials

7- EFFECT OF CHANGE IN SULFURIC ACID CONCENTRATIONS AND DIFFERENT TEMPERTATURES ON CORROSION OF HEAT-TREATED MODERATE CARBON STEEL