LIQUIDUS TEMPERATURES IN THE TI-AL SYSTEM

被引:25
作者
ANDERSON, CD [1 ]
HOFMEISTER, WH [1 ]
BAYUZICK, RJ [1 ]
机构
[1] INTERSON INC,NORTHBROOK,IL 60062
来源
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1993年 / 24卷 / 01期
关键词
D O I
10.1007/BF02669603
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Liquidus temperatures were determined for the titanium-aluminum system at compositions ranging from 41 to 62 at. pct Al. The measurements were obtained by inducing solidification of slightly undercooled melts under containerless processing conditions using electromagnetic levitation. Absolute temperatures were determined by optical pyrometry in combination with independent measurements of spectral emissivities by laser polarimetry. The present liquidus temperatures are in agreement with two sets of literature values and are consistent with a set of solid-state literature data. These values exceed those selected in one recent proposed phase diagram revision by about 30 K and are as much as 40 to 60 K higher than those in another proposed revision.
引用
收藏
页码:61 / 66
页数:6
相关论文
共 34 条
[1]  
ABDELHAMID A, 1984, Z METALLKD, V76, P455
[2]   SOLIDIFICATION KINETICS AND METASTABLE PHASE FORMATION IN BINARY TI-AL [J].
ANDERSON, CD ;
HOFMEISTER, WH ;
BAYUZICK, RJ .
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1992, 23 (10) :2699-2714
[3]  
BERTERO GA, 1989, MATER SCI FORUM, V50, P173
[4]  
BLACKBURN MJ, 1967, T METALL SOC AIME, V239, P1200
[5]  
BUMPS ES, 1952, T AM I MIN MET ENG, V194, P609
[6]  
CHASE MW, 1985, J PHYS CHEM REF DATA, V14
[7]   MAGNETIC STUDIES OF PHASE-EQUILIBRIA IN TI-AL (30 TO 57 AT PCT) ALLOYS [J].
COLLINGS, EW .
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1979, 10 (04) :463-474
[8]  
CROSSLEY FA, 1966, T TMS AIME, V263, P1174
[9]  
FINK WL, 1939, T AIME, V93, P421
[10]  
HECKLER M, 1974, ALUMINIUM, V50, P405