National High-Tech Research and Development Program of China("863"program)(2015AA034304);Pivot Innovation Team of Shaanxi Electric Materials and Infiltration Technique(2012KCT-25);Special Foundation of Shaanxi Provincial Education Department(14JK1312);Shaanxi Provincial Natural Science Foundation(2015JM5228);Dr.Scientific Research Foundation of Xi’an Polytechnic University(BS13015);Discipline Construction of Xi’an Polytechnic University