1. Department of Manufacturing Engineering, College of Technological StudiesP.A.A.E.T P.O. Box 42325 Shuwaikh 70654 Kuwait
2. Department of Aerospace & Mechanical EngineeringUniversity of Southern California Los Angeles CA 90089-1453 USA
3. Department of Materials ScienceUniversity of Southern California Los Angeles CA 90089-1453 USA
4. Department of Design and EngineeringFaculty of Science and TechnologyBournemouth University Poole Dorset BH12 5BB UK
5. Materials Research GroupDepartment of Mechanical EngineeringUniversity of Southampton Southampton SO17 1BJ UK