Influence of portevin-le chatelier effect on rupture mode of alloy 718 specimens

被引：0
|
作者：
Garat, V. [1 ]
Cloue, J-M. [1 ]
Viguier, B. [1 ]
Andrieu, E. [1 ]
机构：
[1] Framatome ANP Fuel Div, F-69456 Lyon, France
来源：
Superalloys 718, 625, 706 and Derivatives, Proceedings | 2005年
关键词：
jerky flow; intergranular fracture; oxidation;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A set of tensile tests has been carried out under air environment in the temperature range [450 degrees C-700 degrees C] in order to characterize the interactions between oxidation assisted intergranular cracking and Portevin - Le Chatelier effect. It is shown that the occurrence of jerky flow stops the intergranular damaging mechanism. The construction of a Dynamic strain aging-Intergranular fracture-PLC instabilities map is then proposed. The surprising relation between crack initiation disappearance and PLC instabilities of type C in the temperature range explored is discussed. Finally the assumption of the occurrence of such phenomenon at the tip of a propagating crack is addressed.
引用
收藏
页码：551 / 557
页数：7
相关论文
共 50 条
  • [1] Influence of Portevin-Le Chatelier effect on rupture mode of alloy 718 specimens
    Garat, V.
    Cloue, J. -M.
    Poquillon, D.
    Andrieu, E.
    JOURNAL OF NUCLEAR MATERIALS, 2008, 375 (01) : 95 - 101
  • [2] The Influence of SPD on the Portevin-Le Chatelier Effect in an AlMgMnZr Alloy
    Borisova, Yuliya
    Yuzbekova, Diana
    Mogucheva, Anna
    PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019, 2019, 2167
  • [3] On the influence of precipitation on the Portevin-Le Chatelier effect
    Domaine Universitaire de Grenoble, Saint Martin d'Heres, France
    Acta Metall Mater, 3 (955-963):
  • [4] Portevin-Le Chatelier effect
    Franklin, SV
    Mertens, F
    Marder, M
    PHYSICAL REVIEW E, 2000, 62 (06): : 8195 - 8206
  • [5] ON THE INFLUENCE OF PRECIPITATION ON THE PORTEVIN-LE CHATELIER EFFECT
    BRECHET, Y
    ESTRIN, Y
    ACTA METALLURGICA ET MATERIALIA, 1995, 43 (03): : 955 - 963
  • [6] Numerical study on the influence of the Portevin-Le Chatelier effect on necking in an aluminium alloy
    Hopperstad, O. S.
    Borvik, T.
    Berstad, T.
    Lademo, O-G
    Benallal, A.
    MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, 2007, 15 (07) : 747 - 772
  • [7] A NOTE ON THE PORTEVIN-LE CHATELIER EFFECT
    COTTRELL, AH
    PHILOSOPHICAL MAGAZINE, 1953, 44 (355): : 829 - 832
  • [8] Chaos in the Portevin-Le Chatelier effect
    Noronha, SJ
    Ananthakrishna, G
    Quaouire, L
    Fressengeas, C
    Kubin, LP
    INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 1997, 7 (11): : 2577 - 2586
  • [9] ON THE THEORY OF THE PORTEVIN-LE CHATELIER EFFECT
    LOUAT, N
    SCRIPTA METALLURGICA, 1981, 15 (11): : 1167 - 1170
  • [10] The Portevin-Le Chatelier Effect in an Al-Mg Alloy
    Mogucheva, Anna
    Saenko, Mikhail
    Kaibyshev, Rustam
    ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2016, 2016, 1783
12345