THE DYNAMIC MECHANISM OF LOW-TEMPERATURE INSTABILITY OF PLASTIC DEFORMATION IN METALS

被引：0
|
作者：
Sarafanov, G. F. [1 ]
机构：
[1] RAS, Inst Mech Engn Problems, Belinskogo 85, Nizhnii Novgorod 603024, Russia
来源：
MATERIALS PHYSICS AND MECHANICS | 2020年 / 46卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
low-temperature deformation; kinetic instability; dynamic pile-up of dislocations; FLOW;
D O I：
10.18149/MPM.4612020_6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Under the assumption of structural softening of plastic deformation in metals, a solution of the system of equations for the ensemble of dislocations is obtained describing a running front for the dislocation density (soliton). Such dislocation charge is able to destroy deformation barriers and cause an athermal mechanism of the instability of the low-temperature plastic deformation.
引用
收藏
页码：57 / 63
页数：7
相关论文
共 50 条
  • [1] Low-temperature instability of the plastic deformation of aluminum
    Lebedev, V. P.
    Krylovskii, V. S.
    Lebedev, S. V.
    Savich, S. V.
    [J]. PHYSICS OF THE SOLID STATE, 2007, 49 (11) : 2091 - 2098
  • [2] Low-temperature instability of the plastic deformation of aluminum
    V. P. Lebedev
    V. S. Krylovskiĭ
    S. V. Lebedev
    S. V. Savich
    [J]. Physics of the Solid State, 2007, 49 : 2091 - 2098
  • [3] MECHANISM OF LOW-TEMPERATURE THERMALLY ACTIVATED PLASTIC-DEFORMATION OF METALS
    YAROSHEV.VD
    [J]. PHYSICS OF METALS AND METALLOGRAPHY-USSR, 1971, 31 (04): : 182 - &
  • [4] LOW-TEMPERATURE INSTABILITY OF PLASTICAL DEFORMATION OF METALS
    MALYGIN, GA
    [J]. FIZIKA METALLOV I METALLOVEDENIE, 1975, 40 (01): : 21 - 28
  • [5] CRITERION FOR THERMOMECHANICAL INSTABILITY OF LOW-TEMPERATURE PLASTIC-DEFORMATION
    ESTRIN, Y
    KUBIN, LP
    [J]. SCRIPTA METALLURGICA, 1980, 14 (12): : 1359 - 1364
  • [6] AUTOWAVE MECHANISM OF LOCALIZATION OF LOW-TEMPERATURE PLASTIC DEFORMATION
    Sarafanov, G. F.
    Shodin, Yu G.
    [J]. MATERIALS PHYSICS AND MECHANICS, 2020, 46 (01): : 64 - 69
  • [7] CHARACTER OF LOW-TEMPERATURE DISCONTINUOUS PLASTIC-DEFORMATION OF METALS
    MEDVEDEV, EM
    [J]. CRYOGENICS, 1976, 16 (09) : 533 - 536
  • [8] HEAT DOMAINS AND THE LOW-TEMPERATURE INSTABILITY OF PLASTIC-DEFORMATION OF CRYSTALS
    MALYGIN, GA
    [J]. FIZIKA TVERDOGO TELA, 1987, 29 (06): : 1633 - 1639
  • [9] LOW-TEMPERATURE PLASTIC-DEFORMATION OF METALS AND THE BIFURCATION-THEORY
    KUBIN, LP
    ESTRIN, Y
    SPIESSER, P
    [J]. RES MECHANICA, 1984, 10 (01): : 25 - 38
  • [10] STATISTICS OF DYNAMIC PROCESSES IN THE LOW-TEMPERATURE DISCONTINUOUS DEFORMATION OF METALS
    BOBROV, VS
    ZAITSEV, SI
    LEBEDKIN, MA
    [J]. FIZIKA TVERDOGO TELA, 1990, 32 (10): : 3060 - 3065
12345