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  • 论文(3)

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

金属学报(英文版)

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....

关键词: shape memory alloy , null , null , null

SCALING LAW OF IRREGULAR EUTECTIC IN DIRECTIONAL SOLIDIFICATION

LIU Junming LIU Zhiguo WU Zhuangchun Nanjing University , China LIU Junming , lecturer , National Laboratory of Solid State Microstructuros , Nanjing University , Nanjing 210008 , China

金属学报(英文版)

The profile features of the solidifying interface of the irregular Al-Si eutectic during directional solidification are studied by numerically solving a nonlinear coupling equation of directional solidification of this eutectic.The critical splitting point of the solidifying interface coincides with...

关键词: irregular Al-Si eutectic , null , null

Dendritic Deposition of NH_4CI Crystals with Free Surface as Simulations of Surface Solidification of Materials

Junming LIU Zhiguo LIU Zhuangchun WU National Lab.of Solid State Microstructures , Nanjing University , Nanjing 210008 , China

材料科学技术(英文)

As a simulation of surface solidification of materials,quasi-two dimensional dendritic deposition of ammonium chloride(NH_4Cl)crystals from an aqueous solution film with free surface by vapourization was investigated by the in- situ observation technique.The depositing morphologies of NH_4Cl crystal...

关键词: surface deposition , null , null , null