1. Key Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of education, School of Mechanical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
2. Department of Electrical and Computer Engineering, Penn State Behrend, Erie, Pennsylvania 16563, United States
3. Center for Materials for Information Technology, The University of Alabama, Tuscaloosa, Alabama 35487, United States