CHARACTERISTIC MICROSTRUCTURES ASSOCIATED WITH ORDER-DISORDER TRANSITION IN Au-Cu-Pd TERNARY ALLOYS

Department of Dental Materials Engineering, Faculty of Dentistry,Kyushu University, Fukuoka 812-8582, Japan(Received February 24, 2000)(Accepted in revised form March 28, 2000)Keywords: Transmission electron microscopy; Gold alloy; OrderingIntroductionBinary Au-Cu alloys undergo order-disorder transition in some compositional regions. At lowertemperatures, they form a cubic L1