The problem issues of piston wear ring of high Ni austenitic cast iron in manufacturing process have been introduced with analysis on the relation between machinablity and microstructure of high Ni austenitic cast iron as well as influencing factors of microstructure of high Ni austenitic cast iron.

The common casting-defects of wear-resisting ring inlaid in aluminum alloy piston was analyzed and summed up,and the corresponding settlement measure in accordance with the different defect forms was put forward.

Finite Element Analysis of Broken Ring Carrier in the Piston of High-Power Medium Speed Diesel Engines;