Inventor
CHANG KEH-MINN
US32 patents
Patents
32 patentsUS4981644AJan 1, 1991
Nickel-base superalloy systems
GEN ELECTRIC87 citations96
US5161950ANov 10, 1992
Dual alloy turbine disk
GEN ELECTRIC77 citations94
US5662749ASep 2, 1997
Supersolvus processing for tantalum-containing nickel base superalloys
GEN ELECTRIC23 citations92
US5393483AFeb 28, 1995
High-temperature fatigue-resistant nickel based superalloy and thermomechanical process
GEN ELECTRIC35 citations92
US5087305AFeb 11, 1992
Fatigue crack resistant nickel base superalloy
GEN ELECTRIC30 citations92
US5061324AOct 29, 1991
Thermomechanical processing for fatigue-resistant nickel based superalloys
GEN ELECTRIC42 citations92
US4820358AApr 11, 1989
Method of making high strength superalloy components with graded properties
GEN ELECTRIC51 citations92
US4814023AMar 21, 1989
High strength superalloy for high temperature applications
GEN ELECTRIC33 citations92
US4685977AAug 11, 1987
Fatigue-resistant nickel-base superalloys and method
GEN ELECTRIC50 citations92
US4478791AOct 23, 1984
Method for imparting strength and ductility to intermetallic phases
GEN ELECTRIC40 citations92
US5143563ASep 1, 1992
Creep, stress rupture and hold-time fatigue crack resistant alloys
GEN ELECTRIC44 citations91
US4820353AApr 11, 1989
Method of forming fatigue crack resistant nickel base superalloys and product formed
GEN ELECTRIC20 citations82
US4793868ADec 27, 1988
Thermomechanical method of forming fatigue crack resistant nickel base superalloys and product formed
GEN ELECTRIC19 citations82
US4676829AJun 30, 1987
Cold worked tri-nickel aluminide alloy compositions
GEN ELECTRIC20 citations82
US4613368ASep 23, 1986
Tri-nickel aluminide compositions alloyed to overcome hot-short phenomena
GEN ELECTRIC22 citations82
US4911884AMar 27, 1990
High strength non-magnetic alloy
GEN ELECTRIC9 citations74
US4888064ADec 19, 1989
Method of forming strong fatigue crack resistant nickel base superalloy and product formed
GEN ELECTRIC14 citations74
US4816084AMar 28, 1989
Method of forming fatigue crack resistant nickel base superalloys
GEN ELECTRIC12 citations74
US4764226AAug 16, 1988
Ni3 A1 alloy of improved ductility based on iron and niobium substituent
GEN ELECTRIC9 citations74
US4725322AFeb 16, 1988
Carbon containing boron doped tri-nickel aluminide
GEN ELECTRIC7 citations74
US4710247ADec 1, 1987
Rapidly solidified tri-nickel aluminide base alloy
GEN ELECTRIC10 citations74
US4661156AApr 28, 1987
Nickel aluminide base compositions consolidated from powder
GEN ELECTRIC7 citations74
US4650519AMar 17, 1987
Nickel aluminide compositions
GEN ELECTRIC11 citations74
US4613480ASep 23, 1986
Tri-nickel aluminide composition processing to increase strength
GEN ELECTRIC10 citations74
US4609528ASep 2, 1986
Tri-nickel aluminide compositions ductile at hot-short temperatures
GEN ELECTRIC17 citations74
US4985201AJan 15, 1991
Generator rotor steels
GEN ELECTRIC12 citations66
US5160557ANov 3, 1992
Method for improving low temperature ductility of directionally solidified iron-aluminides
GEN ELECTRIC5 citations63
US4743316AMay 10, 1988
Rapidly solidified zirconium modified nickel aluminide of improved strength
GEN ELECTRIC5 citations63
US4743315AMay 10, 1988
Ni3 Al alloy of improved ductility based on iron substituent
GEN ELECTRIC5 citations63
US4668311AMay 26, 1987
Rapidly solidified nickel aluminide alloy
GEN ELECTRIC3 citations63
US4642139AFeb 10, 1987
Rapidly solidified nickel aluminide of improved stoichiometry and ductilization and method
GEN ELECTRIC4 citations63
US4606888AAug 19, 1986
Inhibition of grain growth in Ni3 Al base alloys
GEN ELECTRIC5 citations63