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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

PRECIPITATION HARDENING OF ELINVAR ALLOY

LIU Zhiguo CHEN Yong CAO Yanni Nanjing University , Nanjing , ChinaZHU Zhengsheng Shaanxi Iron and Steel Institute , Xi'an , China Professor , Dept.of Physics , Nanjing , University , Nanjing 210008 , China

金属学报(英文版)

The microstructural evolution and precipitation hardening of an Elinvar alloy doped with Ti and Al during isothermal aging at 700℃ have been investigated by atom probe field ion microscopy and microhardness measurements.The γ′ precipiates are spherical and coherent with the matrix.The chemical compo...

关键词: Elinvar alloy , null , null , null , null

STRUCTURE AND MAGNETIC PROPERTIES OF Fe/Pd COMPOSITIONALLY MODULATED FILMS

ZHANG Lin , LIU Yihua Shandong University , Jinan , China WANG Hao Dongnan University , Nanjing , China engineer , Department of Physics , Shandong University , Jinan 250100 , China

金属学报(英文版)

Metal Fe/Pd compositionally modulated films(CMFs) were prepared by vapour depo- sition from two sources onto glass substrate under vacuum.The modulation and crystal structures of the films were examined by X-ray diffraction.The magnetic properties were determined by vibrating sample magnetometer.The...

关键词: compositionally modulated films , null , null

INTERGRANULAR CORROSION AND PHOSPHOR SEGREGATION AT GRAIN BOUNDAR1FS OF NON-SENSITIZED SUPERPURE AUSTENITIC STAINLESS STEEL 00Cr25Ni22Mo2N

FANG Yaohua Nanjing Institute of Chemical Technology , Nanjing , ChinaXU Yuan ZHANG Wenqi University of Science and Technology Beijing , Beijing , China FANG Yaohua Associate Professor , Dept.of Applied Chemistry , Nanjing Institute of Chemical Technology , Nanjing 210009 , China

金属学报(英文版)

The corrosion behaviour and mechanism of superpure austenitic stainless steel 00Cr25Ni22Mo2N in urea processing environment was studied using metallography,SEM, TEM,SIMS and AES techniques.The results show that the gas extraction tube made of non-sensitized 00Cr25Ni22Mo2N steel suffered intergranula...

关键词: superpure austenitic stainless steel , null , null

STUDY OF AMORPHOUS Fe-Zr-B-(Cu) ALLOYS BY MECHANICAL ALLOYING

ZHANG Jianqiang , WU Bingyao Southeast University , Nanjing , China WU Hiaohua , WANG Guiqin , ZHAO Jiwan Nanjing University , China Manuscript received 10 March 1995

金属学报(英文版)

The technique of mechanical alloying(MA) for preparing amorphous Fe-Zr-B-(Cu) alloys has been studied The structure of samples was analysed by X-ray diffractometry, electron microscopy and Mssbauer spectroscopy.The results show that Fe78Zr10B12 sample of a nearly complete amorphous phase may be prep...

关键词: : mechanical alloying , null , null

STRUCTUREAND PROPERTY OF DIRECTIONALLY SOLIDIFIED EUTECTIC Bi/MnBi ALLOY

FU Xuli , LI Jun , WANG Wu , YANG Yongqing , SHU Guangji Southeast University , Nanjing , China

金属学报(英文版)

Eutectic Bi/MnBi magnetic alloy was prepared by directional solidification.When the growth rate,R>2 cm/h,the MnBi fibre spacing,λ,distributed homogeneously in Bi matrix,follows λ~2R=constant.The thermal gradient.G_L,does not influence λ.The magnetic property,B_r of Bi/MnBi alloy decreases with th...

关键词: eutectic Bi/MnBi alloy , null , null , null , null

PREPARATION OF AMORPHOUS Ti-Pd ALLOYS AND THEIR PHYSICAL PROPERTIES

ZHANG Shengliang Nanjing University , Nanjing , ChinaSUMIYAMA Kenji NAKAMURA Yoji Kyoto University , Japan

金属学报(英文版)

The amorphous Ti_(l_x)Pd_x alloys within a wider composition range of 0.25

关键词: sputter-deposition , null , null , null

MAGNETIC ANISOTRIPY IN SPUTTERED NdFeB FILMS

Gu Benxi Zhai Hongru Nanjing University , Nanjing , ChinaH.Homburg S.Methfessel Ruhr-University Bochum , Germany

金属学报(英文版)

The amorphous and crystalline NdFeB films were prepared by RF sputtering at different substrate temperatures.The crystalline specimens,prepared at 600℃ have strong perpendicu- lar anisotropy and high coercivity.And the cystallized alloy from amorphous state also has strong perpendicular anisotripy....

关键词: NdFeB , null , null

MICROPLASTIC DEFORMATION BEHAVIOUR OF STEEL 1Cr18Ni9Ti

ZHU Ping ZHANG Lining Southeast University , Nanjing , China ZHANG Lining Professor , Department of Materials Science and Engineering.Southeast University , Nanjing 210018 , China

金属学报(英文版)

The regularity and mechanism of the microplastic deformation of steel 1Cr18Ni9Ti both solu- tion-treated and prestrained were investigated.In the different stages of microplastic deformation,stage 1 corresponds to the dislocation moving and exhausting in the regions near grain boundaries.Stage 2,bei...

关键词: microplasticity , null , null

CRYSTALLIZATION AND MAGNETIC PROPERTIES OF AMORPHOUS Nd_6Fe_(81)B_(13)ALLOY

GU Benxi ZHAI Hongru Nanjing University , Nanjing , ChinaSHEN Baogen Institute of Physics , Academia Sinica , Beijing , China

金属学报(英文版)

The magnetic properties and the crystallization and its influence on the magnetic and struc- tural properties for rapidly quenched amorphous Nd_6Fe_(81)B-(13) alloy have been studied.The low temperature magnetic properties,the Curie temperature and the crystallization behavior are discussed.A small ...

关键词: amorphous alloy , null , null

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