research of surface integrity of an EDMed cobalt-base superalloy(Elgiloy)

• Main Authors: Tsai, Dir-Don, 蔡德東
• Other Authors: Biing Haw YAN
• Format: Others
• Language: zh-TW
• Published: 1997
• Online Access: http://ndltd.ncl.edu.tw/handle/02775698302213862024

碩士 === 國立中央大學 === 機械工程學系 === 85 === ABSTRACTan advanced adaptive control cnc edmmachine is adopted in this research,and keroseneis used as a primary working fluid( dielectric). a minute energy edm machining is operatedin this experiment through various settings ofworking conditions(such as change of electrodepalarity,electrode material,discharge duration,discharge current,planetary motion of electrode, aluminum powderaddition in dielectric and Elgiloy workpiece material status etc)and an optimal edm working condition is obtainedthrough analyzing the results of working efficiency(such as material removal rate and relativeelectrode wear ratio)and surface integrity(such as surface roughness,microcrack,EDAX,EPMA and sectionalmicrohardness etc)