Diffusion induced recrystallization of TiC

被引:12
作者
Chae, KW
Hwang, CS
Kim, DY
Cho, SJ
机构
[1] SEOUL NATL UNIV, COLL ENGN, DEPT INORGAN MAT ENGN, SEOUL 151742, SOUTH KOREA
[2] KOREA RES INST STAND & SCI, TAEJON 305606, SOUTH KOREA
关键词
D O I
10.1016/1359-6454(95)00325-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
When large TiC particles (30 mu m in average) are embedded in Cr3C2 powders and heat-treated at 1550 degrees C, recrystallization occurs from the surface of the TiC particles, and they are finally replaced by an entirely new set of (Ti,Cr)C alloy grains. The observed recrystallization is greatly suppressed when ZrC is added in the Cr3C2 matrix. The results are in agreement with the prediction that a lattice mismatch due to the diffusion of Cr and resultant formation of misfit dislocations are the major cause of recrystallization. The diffusion induced recrystallization (DIR) process is observed in detail by using a transmission electron microscope.
引用
收藏
页码:1793 / 1799
页数:7
相关论文
共 25 条
[1]   MICROSTRUCTURAL EVOLUTION DURING THE INFILTRATION TREATMENT OF TITANIUM CARBIDE IRON COMPOSITE [J].
CHAE, KW ;
CHUN, DI ;
KIM, DY ;
BAIK, YJ ;
EUN, KY .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1990, 73 (07) :1979-1982
[2]   ON THE NUCLEATION OF DIFFUSION INDUCED RECRYSTALLIZATION [J].
CHEN, FS ;
KING, AH .
SCRIPTA METALLURGICA, 1987, 21 (05) :649-652
[3]   MICROSTRUCTURAL EVOLUTION DURING THE SINTERING OF TIC-MO-NI CERMETS [J].
CHUN, DI ;
KIM, DY ;
EUN, KY .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1993, 76 (08) :2049-2052
[4]   MECHANICAL-PROPERTIES OF POLYCRYSTALLINE TIC [J].
DAS, G ;
MAZDIYASNI, KS ;
LIPSITT, HA .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1982, 65 (02) :104-110
[5]   A COMPARATIVE-STUDY OF DIFFUSION INDUCED GRAIN-BOUNDARY MIGRATION, RECRYSTALLIZATION AND VOLUME DIFFUSION DURING THE LOW-TEMPERATURE DIFFUSION OF AL INTO CU AND AU [J].
DENBROEDER, FJA ;
KLERK, M ;
VANDENBERG, JM ;
HAMM, RA .
ACTA METALLURGICA, 1983, 31 (02) :285-291
[6]   DIFFUSION INDUCED GRAIN-BOUNDARY MIGRATION AND RECRYSTALLIZATION IN THE CU-NI SYSTEM [J].
DENBROEDER, FJA ;
NAKAHARA, S .
SCRIPTA METALLURGICA, 1983, 17 (03) :399-404
[7]   THE DEVELOPMENT OF MICROSTRUCTURE IN A1-5-PERCENT-MG DURING HIGH-TEMPERATURE DEFORMATION [J].
DRURY, MR ;
HUMPHREYS, FJ .
ACTA METALLURGICA, 1986, 34 (11) :2259-2271
[8]  
GOLDSCHMIDT HJ, 1967, INTERSTITIAL ALLOYS, P151
[9]  
HANDWERKER CA, 1987, DIFFUSION PHENOMENA, P245
[10]   PLASTIC BEHAVIOR OF TITANIUM CARBIDE [J].
HOLLOX, GE ;
SMALLMAN, RE .
JOURNAL OF APPLIED PHYSICS, 1966, 37 (02) :818-&