Research Institute of Hydraulic Transmission;
Linde Hydraulics(China)Co.;
Ltd.;
Weifang 261061;
Shandong;
China;
National Engineering Research Center of Die&Mold CAD;
Shanghai Jiao Tong University;
Shanghai 200030;
China;
protective atmosphere casting process; lead bronze; bimetallic composite; microstructure; mechanical properties;