Structure of orthorhombic martensitic phase in binary Ti-Nb alloys

被引：0
|
作者：
Banumathy, S. [1 ]
Mandal, R.K. [2 ]
Singh, A.K. [1 ]
机构：
[1] Defence Metallurgical Research Laboratory, Kanchanabgh P.O., Hyderabad 500 058, India
[2] Department of Metallurgical Engineering, Institute of Technology, Banaras Hindu University, Varanasi 221 005, India
来源：
Journal of Applied Physics | 2009年 / 106卷 / 09期
关键词：
The structure of orthorhombic (α″) martensitic phase of Ti-8Nb; Ti-12Nb; and Ti-16Nb alloys has been investigated using Rietveld refinement of x-ray diffraction data. The chemical analysis data have been used to determine the site occupancy of initial models. A limit of the Wyckoff positions has been proposed based on the symmetry of the Cmcm space group; which allows the movement of atoms without breaking the space group symmetry. This has also been incorporated in the initial models of experimental alloys; and accordingly Wyckoff positions have been refined. It has been observed that the atoms move along the Y-axis (parallel to the b-axis) and the movement of atoms increases with increase in Nb concentration. The formation of orthorhombic (α″) phase has been explained based on the movement of atoms along the Y-axis. This in turn breaks the hexagonal symmetry and forms an orthorhombic phase. © 2009 American Institute of Physics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Journal article (JA)
引用
收藏
相关论文
共 50 条
  • [31] DEFORMATION CHARACTERISTICS IN BETA-PHASE TI-NB ALLOYS
    HANADA, S
    OZEKI, M
    IZUMI, O
    METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1985, 16 (05): : 789 - 795
  • [32] Phase transformation of quenched α" martensite by aging in Ti-Nb alloys
    Mantani, Y.
    Tajima, M.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2006, 438 : 315 - 319
  • [33] INFLUENCE OF ELECTRON-IRRADIATION ON STRUCTURE OF TI-NB ALLOYS
    BYSTROV, LN
    PETROVA, VV
    USTINOVSHCHIKOV, VM
    BYCHKOVA, MI
    FIZIKA METALLOV I METALLOVEDENIE, 1986, 62 (05): : 970 - 973
  • [34] DIFFUSION OF CARBON IN TI-NB ALLOYS
    ZHARINOV, VP
    ZOTOV, VS
    NIKOLAYEV, NA
    SUKHAREV, VI
    PHYSICS OF METALS, 1985, 5 (04): : 743 - 750
  • [35] Features of Martensitic Transformation and Shape-Memory Effect in Alloys of Ti-Nb System
    Koval, Yu. M.
    Kovbosha, S. S.
    Odnosum, V. V.
    Slepchenko, V. M.
    Firstov, G. S.
    METALLOFIZIKA I NOVEISHIE TEKHNOLOGII, 2010, 32 (12): : 1681 - 1690
  • [36] In-situ investigation of stress-induced martensitic transformation in Ti-Nb binary alloys with low Young's modulus
    Chang, L. L.
    Wang, Y. D.
    Ren, Y.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2016, 651 : 442 - 448
  • [37] STRUCTURE AND PHASE-TRANSFORMATIONS DURING AGING OF COLD-WORKED TI-NB ALLOYS
    KADYKOVA, GN
    METAL SCIENCE AND HEAT TREATMENT, 1976, 18 (11-1) : 1023 - 1026
  • [38] Deformation Textures of β Phase and α" Phase in Cold-Rolled Ti-Nb Alloys
    Tobe, Hirobumi
    Kim, Hee Young
    Inamura, Tomonari
    Hosoda, Hideki
    Nam, Tae-hyun
    Miyazaki, Shuichi
    TI-2011: PROCEEDINGS OF THE 12TH WORLD CONFERENCE ON TITANIUM, VOL I, 2012, : 683 - 684
  • [39] OXIDATION OF TI-TA AND TI-NB ALLOYS
    VOYTOVICH, RF
    GOLOVKO, EI
    RUSSIAN METALLURGY, 1979, (01): : 183 - 187
  • [40] Phase constitution, mechanical property and corrosion resistance of the Ti-Nb alloys
    Wang, B. L.
    Wang, Y. B.
    Zheng, Y. F.
    FRACTURE AND DAMAGE MECHANICS V, PTS 1 AND 2, 2006, 324-325 : 655 - +
12345