FORMATION OF NEW METASTABLE TRANSITION METAL ALLOYS BY COMBINATION OF MECHANICAL ALLOYING AND CHEMICAL LEACHING

被引:9
作者
IVANOV, E [1 ]
SUZUKI, K [1 ]
SUMIYAMA, K [1 ]
MAKHLOUF, SA [1 ]
YAMAUCHI, H [1 ]
机构
[1] TOHOKU UNIV, INST MAT RES, SENDAI, MIYAGI 980, JAPAN
基金
日本学术振兴会;
关键词
D O I
10.1016/0167-2738(93)90007-P
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The leaching of Al atoms from B2 structures of mechanically alloyed Ni and Co aluminides led to the formation of metastable B2 Ni and Co. B2 Ni is strong paramagnet not stable above 470 K. The magnetic moment of Co atom in ferromagnetic B2 phase is smaller than in fcc one. B2 Ni demonstrates high catalytic activity in hydrogenation of organic compounds.
引用
收藏
页码:299 / 304
页数:6
相关论文
共 11 条
[1]  
BOLDYREV VV, 1991, SIBERIAN CHEM J, V5, P4
[2]  
GENGNAGEL H, 1968, J APPL PHYS, V39, P669
[3]   NANOCRYSTALLINE MATERIALS [J].
BIRRINGER, R .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1989, 117 :33-43
[4]   STRUCTURAL AND MAGNETIC-PROPERTIES OF NONEQUILIBRIUM BCC NICKEL PREPARED BY LEACHING OF MECHANICALLY ALLOYED NI35AL65 [J].
IVANOV, E ;
MAKHLOUF, SA ;
SUMIYAMA, K ;
YAMAUCHI, H ;
SUZUKI, K ;
GOLUBKUVA, G .
JOURNAL OF ALLOYS AND COMPOUNDS, 1992, 185 (01) :25-34
[5]   RANEY-NICKEL CATALYSTS FROM MECHANICAL NI-AL ALLOYS [J].
IVANOV, E ;
GRIGORIEVA, T ;
GOLUBKOVA, G ;
BOLDYREV, V ;
FASMAN, AB ;
MIKHAILENKO, SD ;
KALININA, OT .
MATERIALS LETTERS, 1988, 7 (1-2) :55-56
[6]   SYNTHESIS OF NICKEL ALUMINIDES BY MECHANICAL ALLOYING [J].
IVANOV, E ;
GRIGORIEVA, T ;
GOLUBKOVA, G ;
BOLDYREV, V ;
FASMAN, AB ;
MIKHAILENKO, SD ;
KALININA, OT .
MATERIALS LETTERS, 1988, 7 (1-2) :51-54
[7]  
MIKHAILENKO SD, 1991, SIBERIAN CHEM J, V5, P93
[8]   TOTAL ENERGY SURFACES IN THE M-V PLANE FOR BCC AND FCC COBALT [J].
MORUZZI, VL ;
MARCUS, PM ;
SCHWARZ, K ;
MOHN, P .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1986, 54-7 (Pt 2) :955-956
[9]   FERROMAGNETIC PHASES OF BCC AND FCC FE, CO, AND NI [J].
MORUZZI, VL ;
MARCUS, PM ;
SCHWARZ, K ;
MOHN, P .
PHYSICAL REVIEW B, 1986, 34 (03) :1784-1791
[10]  
PRINZ GA, 1985, PHYS REV LETT, V54, P8