On the phase transformations in Cr-FeB and Fe-CrB systems at high temperature

被引:8
作者
Carbucicchio, M [1 ]
Grazzi, C
Palombarini, G
Rateo, M
Sambogna, G
机构
[1] Univ Parma, Dept Phys, I-43100 Parma, Italy
[2] INFM, Parma, Italy
[3] Univ Bologna, Inst Met, Bologna, Italy
来源
HYPERFINE INTERACTIONS | 2002年 / 139卷 / 1-4期
关键词
D O I
10.1023/A:1021297709247
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
The solid state interactions occurring at high temperature in the Cr-FeB and Fe-CrB systems were studied by transmission Mossbauer and X-ray diffraction techniques on samples prepared by powders carefully mixed, cold-compacted and then treated at 1000degreesC for times up to 16 h. In the Cr-FeB system, iron atoms liberated by the substitutional diffusion of Cr into FeB lattice preferentially destabilize the iron monoboride with formation of Cr-containing Fe2B. In the Fe-CrB system, chromium atoms liberated by the substitutional diffusion of Fe into CrB lattice interacts with iron forming an Fe-Cr metal alloy. Moreover, zones of Cr-containing FeB and Fe2B form at the contact between metal iron and chromium monoboride, and tend to disappear as iron is consumed by the alloying process.
引用
收藏
页码:393 / 398
页数:6
相关论文
共 10 条
[1]   High temperature solid state reactivity between iron and chromium monoborides [J].
Carbucicchio, M ;
Palombarini, G ;
Rateo, M ;
Sambogna, G .
HYPERFINE INTERACTIONS, 1998, 116 (1-4) :143-148
[2]   ALLOYING OF FE-B COMPOUNDS WITH CR - EFFECTS OF FE LIBERATION AND COMPARISON WITH NI ALLOYING [J].
CARBUCICCHIO, M ;
PALOMBARINI, G ;
SAMBOGNA, G .
HYPERFINE INTERACTIONS, 1994, 92 (1-4) :993-999
[3]   INFLUENCE OF CHROMIUM ON BORIDE COATINGS PRODUCED ON IRON-ALLOYS [J].
CARBUCICCHIO, M ;
SAMBOGNA, G .
THIN SOLID FILMS, 1985, 126 (3-4) :299-305
[4]   EFFECTS OF ALLOYING ELEMENTS ON THE GROWTH OF IRON BORIDE COATINGS [J].
CARBUCICCHIO, M ;
PALOMBARINI, G .
JOURNAL OF MATERIALS SCIENCE LETTERS, 1987, 6 (10) :1147-1149
[5]  
CHATTERJEEFISCH.R, 1995, SURFACE MODIFICATION, P567
[6]  
GIANOGLIO C, 1983, METALL SCI TECHNOL, V1, P51
[7]   MOSSBAUER EFFECT IN IRON ALLOYS [J].
JOHNSON, CE ;
CRANSHAW, TE ;
RIDOUT, MS .
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON, 1963, 81 (524) :1079-&
[8]  
LIAO PK, 1992, ASM HDB ALLOY PHASE, V3, P81
[9]  
Pauleau Y, 1995, MAT PROCESSES SURFAC
[10]  
SUDARSHAN TS, 1999, REV SURFACE MODIFICA, V12