JIA Chuan-bao(賈傳寶)1, WU Chuan-song(武傳松)1, ZHANG Yu-ming(張裕明)2 1. Institute for Materials Joining, Shandong University, Jinan 250061, China; 2. Center for Manufacturing, University of Kentucky, Lexington, KY 40506, USA Received 25 April 2008; accepted 25 August 2008 報告人:游騰勇 日期:3/15