Yield Strength of Metal–Graphene Composites with a Homogeneous and Bimodal Grain Structure

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Yield Strength of Metal–Graphene Composites with a Homogeneous and Bimodal Grain Structure. / Бобылев, Сергей Владимирович ; Гуткин, Михаил Юрьевич ; Шейнерман, Александр Григорьевич.

In: Mechanics of Solids, Vol. 55, No. 1, 01.01.2020, p. 22-31.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{0d149c2fa0cb45ec9f9208ca6c7e9ca5,

title = "Yield Strength of Metal–Graphene Composites with a Homogeneous and Bimodal Grain Structure",

abstract = "Abstract—Theoretical models are proposed that describe the initial stage of plastic deformation in metal–graphene composites with a homogeneous ultrafine-grained metal matrix, as well as with a bimodal grain size distribution. The models take into account both dislocation mechanisms of plasticity and the processes of structural transformations of grain boundaries associated with grain-boundary sliding. As a result of the calculations, the dependences of the yield strength on the grain size of the matrix and the volume fraction of graphene were obtained. Models allow one to find the optimal graphene content to achieve maximum material strength.",

keywords = "composites, grain boundaries, graphene, yield strength, STEEL, SIZE, DUCTILITY SYNERGY, STRESS, MECHANICAL-PROPERTIES, STRAIN",

author = "Бобылев, {Сергей Владимирович} and Гуткин, {Михаил Юрьевич} and Шейнерман, {Александр Григорьевич}",

note = "Publisher Copyright: {\textcopyright} 2020, Allerton Press, Inc.",

year = "2020",

month = jan,

day = "1",

doi = "10.3103/S0025654420010069",

language = "English",

volume = "55",

pages = "22--31",

journal = "Mechanics of Solids",

issn = "0025-6544",

publisher = "Allerton Press, Inc.",

number = "1",

}

RIS

TY - JOUR

T1 - Yield Strength of Metal–Graphene Composites with a Homogeneous and Bimodal Grain Structure

AU - Бобылев, Сергей Владимирович

AU - Гуткин, Михаил Юрьевич

AU - Шейнерман, Александр Григорьевич

PY - 2020/1/1

Y1 - 2020/1/1

N2 - Abstract—Theoretical models are proposed that describe the initial stage of plastic deformation in metal–graphene composites with a homogeneous ultrafine-grained metal matrix, as well as with a bimodal grain size distribution. The models take into account both dislocation mechanisms of plasticity and the processes of structural transformations of grain boundaries associated with grain-boundary sliding. As a result of the calculations, the dependences of the yield strength on the grain size of the matrix and the volume fraction of graphene were obtained. Models allow one to find the optimal graphene content to achieve maximum material strength.

AB - Abstract—Theoretical models are proposed that describe the initial stage of plastic deformation in metal–graphene composites with a homogeneous ultrafine-grained metal matrix, as well as with a bimodal grain size distribution. The models take into account both dislocation mechanisms of plasticity and the processes of structural transformations of grain boundaries associated with grain-boundary sliding. As a result of the calculations, the dependences of the yield strength on the grain size of the matrix and the volume fraction of graphene were obtained. Models allow one to find the optimal graphene content to achieve maximum material strength.

KW - composites

KW - grain boundaries

KW - graphene

KW - yield strength

KW - STEEL

KW - SIZE

KW - DUCTILITY SYNERGY

KW - STRESS

KW - MECHANICAL-PROPERTIES

KW - STRAIN

UR - http://www.scopus.com/inward/record.url?scp=85090020590&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/6349e1e8-cbaa-303f-8cfd-875defa57d50/

U2 - 10.3103/S0025654420010069

DO - 10.3103/S0025654420010069

M3 - Article

VL - 55

SP - 22

EP - 31

JO - Mechanics of Solids

JF - Mechanics of Solids

SN - 0025-6544

IS - 1

ER -

ID: 62432755