Contact geometry during indentation of a sphere into an elastoplastic half-space

The indentation of a sphere into an elastoplastic half-space is considered, which is accompanied by pile-up / sink-in effects, extrusion of material around a sphere (formation of a bulk) and elastic sinking of the material. The evolution of studies of the indicated phenomena is shown. Based on the s...

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Main Authors:	Ogar Peter, Gorokhov Denis, Zhuk Artem, Kushnarev Vladislav
Format:	Article
Language:	English
Published:	EDP Sciences 2019-01-01
Series:	MATEC Web of Conferences
Online Access:	https://www.matec-conferences.org/articles/matecconf/pdf/2019/47/matecconf_icmtmte18_00093.pdf

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spelling	doaj-ce494bbbbdba4faeb3eea224474d94512021-02-02T08:24:27ZengEDP SciencesMATEC Web of Conferences2261-236X2019-01-012980009310.1051/matecconf/201929800093matecconf_icmtmte18_00093Contact geometry during indentation of a sphere into an elastoplastic half-spaceOgar Peter0Gorokhov Denis1Zhuk Artem2Kushnarev Vladislav3Bratsk State UniversityBratsk State UniversityBratsk State UniversityBratsk State UniversityThe indentation of a sphere into an elastoplastic half-space is considered, which is accompanied by pile-up / sink-in effects, extrusion of material around a sphere (formation of a bulk) and elastic sinking of the material. The evolution of studies of the indicated phenomena is shown. Based on the similarity of the deformation characteristics, expressions are obtained for determining the indentation depth, the depth of the residual crater, and the contact depth depending on the degree of loading. In this case, the influence of the characteristics of the hardened material — the yield strength and the hardening exponent — were taken into account. The radial boundary of the bulk is determined from the volume of the displaced material. Expressions are obtained for describing the profile of a loaded and unloaded crater.https://www.matec-conferences.org/articles/matecconf/pdf/2019/47/matecconf_icmtmte18_00093.pdf
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Ogar Peter Gorokhov Denis Zhuk Artem Kushnarev Vladislav
spellingShingle	Ogar Peter Gorokhov Denis Zhuk Artem Kushnarev Vladislav Contact geometry during indentation of a sphere into an elastoplastic half-space MATEC Web of Conferences
author_facet	Ogar Peter Gorokhov Denis Zhuk Artem Kushnarev Vladislav
author_sort	Ogar Peter
title	Contact geometry during indentation of a sphere into an elastoplastic half-space
title_short	Contact geometry during indentation of a sphere into an elastoplastic half-space
title_full	Contact geometry during indentation of a sphere into an elastoplastic half-space
title_fullStr	Contact geometry during indentation of a sphere into an elastoplastic half-space
title_full_unstemmed	Contact geometry during indentation of a sphere into an elastoplastic half-space
title_sort	contact geometry during indentation of a sphere into an elastoplastic half-space
publisher	EDP Sciences
series	MATEC Web of Conferences
issn	2261-236X
publishDate	2019-01-01
description	The indentation of a sphere into an elastoplastic half-space is considered, which is accompanied by pile-up / sink-in effects, extrusion of material around a sphere (formation of a bulk) and elastic sinking of the material. The evolution of studies of the indicated phenomena is shown. Based on the similarity of the deformation characteristics, expressions are obtained for determining the indentation depth, the depth of the residual crater, and the contact depth depending on the degree of loading. In this case, the influence of the characteristics of the hardened material — the yield strength and the hardening exponent — were taken into account. The radial boundary of the bulk is determined from the volume of the displaced material. Expressions are obtained for describing the profile of a loaded and unloaded crater.
url	https://www.matec-conferences.org/articles/matecconf/pdf/2019/47/matecconf_icmtmte18_00093.pdf
work_keys_str_mv	AT ogarpeter contactgeometryduringindentationofasphereintoanelastoplastichalfspace AT gorokhovdenis contactgeometryduringindentationofasphereintoanelastoplastichalfspace AT zhukartem contactgeometryduringindentationofasphereintoanelastoplastichalfspace AT kushnarevvladislav contactgeometryduringindentationofasphereintoanelastoplastichalfspace
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Contact geometry during indentation of a sphere into an elastoplastic half-space

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