The effect of surface oxidation behavior on the fracture toughness of Ti-5Al-5Mo-5V-1Cr-1Fe titanium alloy

被引：15
作者：
Shi, Xiaohui [1 ]
Zeng, Weidong [1 ]
Zhao, Qinyang [2 ]
机构：
[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 647卷
基金：
中国国家自然科学基金;
关键词：
Surface oxidation; Ti-5Al-5Mo-5V-1Cr-1Fe; Fracture toughness; Vacuum annealing; MECHANICAL-PROPERTIES; MICROSTRUCTURE; FATIGUE; INTERRELATIONSHIP;
D O I：
10.1016/j.jallcom.2015.05.211
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：
In this study, the effect of surface oxidation behavior on the fracture toughness of Ti-5Al-5Mo-5V-1Cr -1Fe alloy suffered oxidation treatments at the temperatures of 500 degrees C, 600 degrees C, 700 degrees C and 800 degrees C is studied by means of OM, SEM and EDS analysis. For comparison, the fracture toughness of this alloy suffered vacuum annealing treatments at the temperatures of 550 degrees C, 600 degrees C, 650 degrees C and 700 degrees C are also investigated. The results show that at the heating temperatures below 600 degrees C, the fracture toughness values of Ti-5Al-5Mo-5V-1Cr-1Fe alloy suffered vacuum annealing treatments and oxidation treatments show no obvious difference. However, at the heating temperature of 700 degrees C, the fracture toughness of Ti-5Al-5Mo-5V-1Cr-1Fe alloy undergone oxidation treatment is almost 50 MPa m(1/2) lower than that undergone vacuum annealing treatment. This is due to that at the oxidation temperature of 700 degrees C, the oxide layer thickness is above 5 mm. In this situation, its influence on the fracture toughness of Ti-5Al-5Mo-5V-1Cr-1Fe alloy cannot be ignored. The existence of oxide layer can decrease the total area of shear lips on the fracture surface, decrease the crack propagation tortuosity and limit the formation of secondary cracks on the side surface of K-IC specimen. This can result in a big decrease of fracture resistance, which is detrimental to the fracture toughness of Ti-5Al-5Mo-5V-1Cr-1Fe alloy. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：740 / 749
页数：10
相关论文
共 26 条
  • [1] Al-based metal matrix composites reinforced with Al-Cu-Fe quasicrystalline particles: Strengthening by interfacial reaction
    Ali, F.
    Scudino, S.
    Anwar, M. S.
    Shahid, R. N.
    Srivastava, V. C.
    Uhlenwinkel, V.
    Stoica, M.
    Vaughan, G.
    Eckert, J.
    [J]. JOURNAL OF ALLOYS AND COMPOUNDS, 2014, 607 : 274 - 279
  • [2] Fracture of 6056 aluminum sheet materials: effect of specimen thickness and hardening behavior on strain localization and toughness
    Asserin-Lebert, A
    Besson, J
    Gourgues, AF
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2005, 395 (1-2): : 186 - 194
  • [3] Influence of β grain size on tensile behavior and ductile fracture toughness of titanium alloy Ti-10V-2Fe-3Al
    Bhattacharjee, A.
    Varma, V. K.
    Kamat, S. V.
    Gogia, A. K.
    Bhargava, S.
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2006, 37A (05): : 1423 - 1433
  • [4] Campbell FC, 2012, PHASE DIAGRAMS: UNDERSTANDING THE BASICS, P1
  • [5] Effect of different surface oxidation treatments on structural, mechanical and tribological properties of ultrafine-grained titanium
    Celik, Ilhan
    Alsaran, Akgun
    Purcek, Gencaga
    [J]. SURFACE & COATINGS TECHNOLOGY, 2014, 258 : 842 - 848
  • [6] Microstructural morphology effects on fracture resistance and crack tip strain distribution in Ti-6Al-4V alloy for orthopedic implants
    Cvijovic-Alagic, I.
    Gubeljak, N.
    Rakin, M.
    Cvijovic, Z.
    Geric, K.
    [J]. MATERIALS & DESIGN, 2014, 53 : 870 - 880
  • [7] EYLON D, 1976, METALL TRANS A, V7, P1817, DOI 10.1007/BF02654976
  • [8] The interrelationship of fracture toughness and microstructure in a new near β titanium alloy Ti-7Mo-3Nb-3Cr-3Al
    Fan, J. K.
    Li, J. S.
    Kou, H. C.
    Hua, K.
    Tang, B.
    [J]. MATERIALS CHARACTERIZATION, 2014, 96 : 93 - 99
  • [9] Microstructure-fracture toughness correlation in an aircraft structural component alloy Ti-5Al-5V-5Mo-3Cr
    Ghosh, Atasi
    Sivaprasad, S.
    Bhattacharjee, Amit
    Kar, Sujoy Kumar
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2013, 568 : 61 - 67
  • [10] INTERRELATIONSHIP OF FRACTURE TOUGHNESS AND MICROSTRUCTURE IN A TI-5.25AL-5.5V-0.9FE-0.5CU ALLOY
    GREENFIELD, MA
    MARGOLIN, H
    [J]. METALLURGICAL TRANSACTIONS, 1971, 2 (03): : 841 - +
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