CHEMICALLY DISORDERED NI3AL SYNTHESIZED BY HIGH-VACUUM EVAPORATION

被引：46
作者：
HARRIS, SR
PEARSON, DH
GARLAND, CM
FULTZ, B
机构：
[1] Division of Engineering and Applied Science, California Institute of Technology, Pasadena, California, 91125
来源：
JOURNAL OF MATERIALS RESEARCH | 1991年 / 6卷 / 10期
关键词：
D O I：
10.1557/JMR.1991.2019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Films of chemically disordered fcc Ni3Al were synthesized by the vacuum evaporation of Ni3Al onto room temperature and liquid nitrogen temperature substrates. X-ray diffractometry and transmission electron microscopy showed the material to be single phase with an average grain size of about 4 nm. The formation of the equilibrium L1(2) ordered phase occurred simultaneously with grain growth at temperatures above 350-degrees-C. Differential scanning calorimetry provided ordering enthalpies of 7 kJ/mole and 9 kJ/mole for material evaporated onto room temperature and liquid nitrogen temperature substrates, respectively.
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页码：2019 / 2024
页数：6
相关论文
共 11 条
  • [1] [Anonymous], 1989, ADV POWDER METALLURG
  • [2] THE ORDER-DISORDER TRANSITION OF THE INTERMETALLIC PHASE NI3AL
    BREMER, FJ
    BEYSS, M
    WENZL, H
    [J]. PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 1988, 110 (01): : 77 - 82
  • [3] THE ORDER-DISORDER TRANSFORMATION IN NI3AL AND NI3AL-FE ALLOYS .2. PHASE-TRANSFORMATIONS AND MICROSTRUCTURES
    CAHN, RW
    SIEMERS, PA
    HALL, EL
    [J]. ACTA METALLURGICA, 1987, 35 (11): : 2753 - 2764
  • [4] THE ORDER-DISORDER TRANSFORMATION IN NI3AL AND NI3AL-FE ALLOYS .1. DETERMINATION OF THE TRANSITION-TEMPERATURES AND THEIR RELATION TO DUCTILITY
    CAHN, RW
    SIEMERS, PA
    GEIGER, JE
    BARDHAN, P
    [J]. ACTA METALLURGICA, 1987, 35 (11): : 2737 - 2751
  • [5] COREY CL, 1967, T METALL SOC AIME, V239, P239
  • [6] ANISOTROPIC ANTIPHASE BOUNDARIES IN RAPIDLY SOLIDIFIED NI3AL
    HORTON, JA
    LIU, CT
    [J]. ACTA METALLURGICA, 1985, 33 (12): : 2191 - 2198
  • [7] MICROSTRUCTURE AND MECHANICAL-PROPERTIES OF RAPIDLY QUENCHED L12 ALLOYS IN NI-AL-X SYSTEMS
    INOUE, A
    TOMIOKA, H
    MASUMOTO, T
    [J]. METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1983, 14 (07): : 1367 - 1377
  • [8] AMORPHIZATION AND DISORDERING OF THE NI3AL ORDERED INTERMETALLIC BY MECHANICAL MILLING
    JANG, JSC
    KOCH, CC
    [J]. JOURNAL OF MATERIALS RESEARCH, 1990, 5 (03) : 498 - 510
  • [9] Kissinger H., 1983, RAD EFFECTS, V77, P273
  • [10] WEST JA, 1991, MATER RES SOC S P PI, V213
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