Acta Metallurgica Sinica (English Letters) ›› 1992, Vol. 5 ›› Issue (6): 454-458.

• Research paper • Previous Articles     Next Articles

TEM STUDY OF TWINNING ORIENTATION RELATIOSHIP BETWEEN A AND B MARTENSITE VARIANTS IN A CuZnAl SHAPE MEMORY ALLOY

SHEN Guangjun WANG shidong ZHANG Jinping Lab.of Solid State Microstructure,Nanjing University;Analysis and Testing Centre,Southeast University,Nanjing,China Associate Professor,Analysis and Testing Centre,Southeast University,Nanjing,210018,China   

  • Received:1992-12-25 Revised:1992-12-25 Online:1992-12-25 Published:2009-10-10

Abstract: A secondary twinning orientation relationship between A and B martensite variants in a CuZnAl shape memory alloy was confirmed under TEM observation.The twin plane, (50),is a linear combination of (8)and(1 0 10)planes,which are twin planes of A:C and A:D type pair respectively.

Key words: shape memory alloy, martensite variant, secondary twin, Cu ZnAl alloy