Adhesive contacts of a rigid sphere and an elastic–perfectly plastic half-space

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Adhesive contacts of a rigid sphere and an elastic–perfectly plastic half-space. / Gu, JZ; Li, Long-yuan.

In: Computational Materials Science, Vol. 48, No. 4, 01.06.2010, p. 848-853.

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@article{48682457c3d944019df8988dce027122,
title = "Adhesive contacts of a rigid sphere and an elastic–perfectly plastic half-space",
abstract = "This paper presents a study on the adhesive contact of a rigid sphere with an elastic perfectly plastic half-space. Analytical solutions for contact force and contact radius relation, contact force and contact displacement relation during both loading and unloading are derived. From the present solutions the plastic pull-off force can be calculated analytically. The present study shows that the plastic pull-off force calculated with considering the variation of curvature within the contacted surface is higher than that calculated based on a constant curvature taken at the contact centre, and specially if the contact radius is calculated based on the Hertzian solution for elastic contacts then the obtained plastic pull-off force will be less than a half of the present plastic pull-off force. (C) 2010 Elsevier B.V. All rights reserved.",
keywords = "Loading and unloading, Contact mechanics, Adhesive contact, Plastic pull-off force, Elastic-plastic material",
author = "JZ Gu and Long-yuan Li",
year = "2010",
month = jun,
day = "1",
doi = "10.1016/j.commatsci.2010.04.006",
language = "English",
volume = "48",
pages = "848--853",
journal = "Computational Materials Science",
issn = "0927-0256",
publisher = "Elsevier",
number = "4",

}

RIS

TY - JOUR

T1 - Adhesive contacts of a rigid sphere and an elastic–perfectly plastic half-space

AU - Gu, JZ

AU - Li, Long-yuan

PY - 2010/6/1

Y1 - 2010/6/1

N2 - This paper presents a study on the adhesive contact of a rigid sphere with an elastic perfectly plastic half-space. Analytical solutions for contact force and contact radius relation, contact force and contact displacement relation during both loading and unloading are derived. From the present solutions the plastic pull-off force can be calculated analytically. The present study shows that the plastic pull-off force calculated with considering the variation of curvature within the contacted surface is higher than that calculated based on a constant curvature taken at the contact centre, and specially if the contact radius is calculated based on the Hertzian solution for elastic contacts then the obtained plastic pull-off force will be less than a half of the present plastic pull-off force. (C) 2010 Elsevier B.V. All rights reserved.

AB - This paper presents a study on the adhesive contact of a rigid sphere with an elastic perfectly plastic half-space. Analytical solutions for contact force and contact radius relation, contact force and contact displacement relation during both loading and unloading are derived. From the present solutions the plastic pull-off force can be calculated analytically. The present study shows that the plastic pull-off force calculated with considering the variation of curvature within the contacted surface is higher than that calculated based on a constant curvature taken at the contact centre, and specially if the contact radius is calculated based on the Hertzian solution for elastic contacts then the obtained plastic pull-off force will be less than a half of the present plastic pull-off force. (C) 2010 Elsevier B.V. All rights reserved.

KW - Loading and unloading

KW - Contact mechanics

KW - Adhesive contact

KW - Plastic pull-off force

KW - Elastic-plastic material

U2 - 10.1016/j.commatsci.2010.04.006

DO - 10.1016/j.commatsci.2010.04.006

M3 - Article

VL - 48

SP - 848

EP - 853

JO - Computational Materials Science

JF - Computational Materials Science

SN - 0927-0256

IS - 4

ER -