Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation

Abstract This report explores the effects of machining depth, velocity, temperature, multi-machining, and grain size on the tribological properties of a diamond substrate. The results show that the appearance of graphite atoms can assist the machining process as it reduces the force. Moreover, the n...

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Autores principales:	Van-Thuc Nguyen, Te-Hua Fang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/da8a7d0b72a242c8b4640a56fb75db78
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spelling	oai:doaj.org-article:da8a7d0b72a242c8b4640a56fb75db782021-12-02T14:58:46ZPhase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation10.1038/s41598-021-97419-92045-2322https://doaj.org/article/da8a7d0b72a242c8b4640a56fb75db782021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97419-9https://doaj.org/toc/2045-2322Abstract This report explores the effects of machining depth, velocity, temperature, multi-machining, and grain size on the tribological properties of a diamond substrate. The results show that the appearance of graphite atoms can assist the machining process as it reduces the force. Moreover, the number of graphite atoms relies on the machining speed and substrate temperature improvement caused by the friction force. Besides, machining in a machined surface for multi-time is affected by its rough, amorphous, and deformed surface. Therefore, machining in the vertical direction for multi-time leads to a higher rate of deformation but a reduction in the rate of graphite atoms generation. Increasing the grain size could produce a larger graphite cluster, a higher elastic recovery rate, and a higher temperature but a lower force and pile-up height. Because the existence of the grain boundaries hinders the force transformation process, and the reduction in the grain size can soften the diamond substrate material.Van-Thuc NguyenTe-Hua FangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Van-Thuc Nguyen Te-Hua Fang Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
description	Abstract This report explores the effects of machining depth, velocity, temperature, multi-machining, and grain size on the tribological properties of a diamond substrate. The results show that the appearance of graphite atoms can assist the machining process as it reduces the force. Moreover, the number of graphite atoms relies on the machining speed and substrate temperature improvement caused by the friction force. Besides, machining in a machined surface for multi-time is affected by its rough, amorphous, and deformed surface. Therefore, machining in the vertical direction for multi-time leads to a higher rate of deformation but a reduction in the rate of graphite atoms generation. Increasing the grain size could produce a larger graphite cluster, a higher elastic recovery rate, and a higher temperature but a lower force and pile-up height. Because the existence of the grain boundaries hinders the force transformation process, and the reduction in the grain size can soften the diamond substrate material.
format	article
author	Van-Thuc Nguyen Te-Hua Fang
author_facet	Van-Thuc Nguyen Te-Hua Fang
author_sort	Van-Thuc Nguyen
title	Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
title_short	Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
title_full	Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
title_fullStr	Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
title_full_unstemmed	Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
title_sort	phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/da8a7d0b72a242c8b4640a56fb75db78
work_keys_str_mv	AT vanthucnguyen phasetransformationandsubsurfacedamageformationintheultrafinemachiningprocessofadiamondsubstratethroughatomisticsimulation AT tehuafang phasetransformationandsubsurfacedamageformationintheultrafinemachiningprocessofadiamondsubstratethroughatomisticsimulation
_version_	1718389294510374912

Phase transformation and subsurface damage formation in the ultrafine machining process of a diamond substrate through atomistic simulation

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