1. Department of Mechanical Engineering Quzhou University 78 Jiuhuabei Road Quzhou Zhejiang 324000 P. R. China
2. Department of Mechanical Engineering University of Maine 75 Long Road Orono ME 04469 USA
3. Department of Mechanical Engineering George Mason University 4400 University Drive Fairfax VA 22030 USA
4. Department of Materials Science and Nanoengineering Rice University 6100 Main Street Houston TX 77005 USA
5. School of Forestry Resources University of Maine 5755 Nutting Hall Orono ME 04469 USA