On grain refinement of a γ-TiAl alloy using cryo-milling followed by spark plasma sintering

被引：23
|
作者：
Shanmugasundaram, T. [1 ,2 ]
Guyon, J. [1 ,2 ]
Monchoux, J. P. [3 ]
Hazotte, A. [1 ,2 ]
Bouzy, E. [1 ,2 ]
机构：
[1] Univ Lorraine, LEM3, CNRS, UMR 7239, F-57045 Metz 1, France
[2] Univ Lorraine, DAMAS Lab Excellence Design Alloy Met Low mAss St, F-57045 Metz 1, France
[3] Univ Toulouse, CEMES, CNRS, UPR 8011, F-31055 Toulouse 04, France
来源：
INTERMETALLICS | 2015年 / 66卷
关键词：
Titanium aluminides; Phase transformation; Cryo-milling; Spark plasma sintering; Microstructure; MECHANICAL-PROPERTIES; SIZE REFINEMENT; HIGH NB; MICROSTRUCTURE; TEMPERATURE; DEFORMATION; STRENGTH; FRACTURE; NIOBIUM; STATE;
D O I：
10.1016/j.intermet.2015.07.007
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A fully dense fine-grained gamma-TiAl based alloy was fabricated by cryo-milling pre-alloyed powders followed by spark plasma sintering. The consolidation was performed at 1050 or 1200 degrees C. The effect of cryomilling on the densification kinetics and final microstructure was studied. Results indicate that cryomilled (8 h) powder is fully densified at a temperature nearly 125 degrees C lower than that of un-milled powder. The microstructure of the alloy fabricated at different temperatures consisted of fine grains of gamma-TiAl and alpha(2) (Ti3Al) phases in different volume fractions. The average grain size of cryo-milled powders compacted at 1050 and 1200 degrees C were determined as 0.6 and 0.9 gm, respectively. It is inferred that the reduction in crystallite and particle size induced by cryo-milling is the likely reason for such enhancement in densification and grain refinement. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：141 / 148
页数：8
相关论文
共 50 条
  • [21] Microstructural evolution and mechanical properties of a β-solidifying γ-TiAl alloy densified by spark plasma sintering
    Niu, H. Z.
    Su, Y. J.
    Zhang, Y. S.
    Zhang, D. L.
    Lu, J. W.
    Zhang, W.
    Zhang, P. X.
    INTERMETALLICS, 2015, 66 : 96 - 102
  • [22] Preparation of bulk Ti-15Mo alloy using cryogenic milling and spark plasma sintering
    Veverkova, Anna
    Kozlik, Jiri
    Bartha, Kristina
    Kosutova, Tereza
    Correa, Cinthia Antunes
    Becker, Hanka
    Chraska, Tomas
    Janecek, Milos
    Strasky, Josef
    MATERIALS CHARACTERIZATION, 2021, 171
  • [23] Grain Refinement of B319 Alloy Using Spark Plasma Sintered Al–Ti–C Grain Refiners
    Anil Prasad
    Justin Mok
    Levi Lafortune
    Lukas Bichler
    Transactions of the Indian Institute of Metals, 2018, 71 : 2759 - 2763
  • [24] Refinement of lamellar microstructures by boron incorporation in GE-TiAl alloys processed by Spark Plasma Sintering
    Luo, J. S.
    Voisin, T.
    Monchoux, J. P.
    Couret, A.
    INTERMETALLICS, 2013, 36 : 12 - 20
  • [25] A titanium-nitrogen alloy with ultrahigh strength by ball milling and spark plasma sintering
    Chen, Jiayin
    Cai, Zeyun
    Xiang, Tao
    Du, Peng
    Xie, Guoqiang
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2022, 848
  • [26] Hardness and Corrosion Behavior of CrMnFeCoNi Alloy Fabricated by Ball Milling and Spark Plasma Sintering
    Wang, Rongguang
    Kamada, Sohei
    MATERIALS, 2024, 17 (19)
  • [27] The Influence of Milling and Spark Plasma Sintering on the Microstructure and Properties of the Al7075 Alloy
    Molnarova, Orsolya
    Malek, Premysl
    Vesely, Jozef
    Minarik, Peter
    Lukac, Frantisek
    Chraska, Tomas
    Novak, Pavel
    Prusa, Filip
    MATERIALS, 2018, 11 (04):
  • [28] Microstructural Evolution and Mechanical Properties of an Advanced -TiAl Based Alloy Processed by Spark Plasma Sintering
    Wimler, David
    Lindemann, Janny
    Clemens, Helmut
    Mayer, Svea
    MATERIALS, 2019, 12 (09)
  • [29] Microstructures and deformation mechanisms of a G4 TiAl alloy produced by spark plasma sintering
    Jabbar, H.
    Monchoux, J. -P.
    Thomas, M.
    Couret, A.
    ACTA MATERIALIA, 2011, 59 (20) : 7574 - 7585
  • [30] PREPARATION OF TiAl15Si15 ALLOY BY HIGH PRESSURE SPARK PLASMA SINTERING
    Knaislova, Anna
    Novak, Pavel
    Prusa, Filip
    Cygan, Slawomir
    Jaworska, Lucyna
    ACTA METALLURGICA SLOVACA, 2018, 24 (02): : 174 - 180
12345