A Study on the Impact Wear Behaviors of 40Cr Steel

In this study, using a self-made impact test rig controlled by the electromagnet and the time relay, a steel ball in an upper clamp is impacted on to 40Cr testing specimens fixed in a lower clamping fixture reciprocatingly. Three contact conditions are employed: dry contact and two lubricated contac...

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Main Authors:	Jing Wang, Leilei Lu, Zhikuan Ji
Format:	article
Language:	EN
Published:	Japanese Society of Tribologists 2015
Subjects:	impact wear plastic deformation 40cr steel Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Online Access:	https://doaj.org/article/094a905eb0c84d1296027900e6cda08b
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spelling	oai:doaj.org-article:094a905eb0c84d1296027900e6cda08b2021-11-05T09:22:20ZA Study on the Impact Wear Behaviors of 40Cr Steel1881-219810.2474/trol.10.273https://doaj.org/article/094a905eb0c84d1296027900e6cda08b2015-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/10/4/10_273/_pdf/-char/enhttps://doaj.org/toc/1881-2198In this study, using a self-made impact test rig controlled by the electromagnet and the time relay, a steel ball in an upper clamp is impacted on to 40Cr testing specimens fixed in a lower clamping fixture reciprocatingly. Three contact conditions are employed: dry contact and two lubricated contacts. One lubricant with lower viscosity and the other with higher viscosity were employed in the experiments to study the influence of the viscosity. After experiments, the impact dent is measured by SEM and a surface profiler. The results show that in the dry contact, the repeated impact firstly forms a hardened layer on the metal surface which is damaged in the following impacts. Using the low viscosity oil, the plastic deformation can be restrained effectively. Moreover, using high viscosity oil, the dent can be effectively protected from plastic deformation and impact wear if the lubricant is supplied fully. However, if the lubricant is not supplied fully, a long and sharp local dent is produced in the impact dent, resulting in further damage to the metal.Jing WangLeilei LuZhikuan JiJapanese Society of Tribologistsarticleimpact wearplastic deformation40cr steelPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 10, Iss 4, Pp 273-281 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	impact wear plastic deformation 40cr steel Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	impact wear plastic deformation 40cr steel Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Jing Wang Leilei Lu Zhikuan Ji A Study on the Impact Wear Behaviors of 40Cr Steel
description	In this study, using a self-made impact test rig controlled by the electromagnet and the time relay, a steel ball in an upper clamp is impacted on to 40Cr testing specimens fixed in a lower clamping fixture reciprocatingly. Three contact conditions are employed: dry contact and two lubricated contacts. One lubricant with lower viscosity and the other with higher viscosity were employed in the experiments to study the influence of the viscosity. After experiments, the impact dent is measured by SEM and a surface profiler. The results show that in the dry contact, the repeated impact firstly forms a hardened layer on the metal surface which is damaged in the following impacts. Using the low viscosity oil, the plastic deformation can be restrained effectively. Moreover, using high viscosity oil, the dent can be effectively protected from plastic deformation and impact wear if the lubricant is supplied fully. However, if the lubricant is not supplied fully, a long and sharp local dent is produced in the impact dent, resulting in further damage to the metal.
format	article
author	Jing Wang Leilei Lu Zhikuan Ji
author_facet	Jing Wang Leilei Lu Zhikuan Ji
author_sort	Jing Wang
title	A Study on the Impact Wear Behaviors of 40Cr Steel
title_short	A Study on the Impact Wear Behaviors of 40Cr Steel
title_full	A Study on the Impact Wear Behaviors of 40Cr Steel
title_fullStr	A Study on the Impact Wear Behaviors of 40Cr Steel
title_full_unstemmed	A Study on the Impact Wear Behaviors of 40Cr Steel
title_sort	study on the impact wear behaviors of 40cr steel
publisher	Japanese Society of Tribologists
publishDate	2015
url	https://doaj.org/article/094a905eb0c84d1296027900e6cda08b
work_keys_str_mv	AT jingwang astudyontheimpactwearbehaviorsof40crsteel AT leileilu astudyontheimpactwearbehaviorsof40crsteel AT zhikuanji astudyontheimpactwearbehaviorsof40crsteel AT jingwang studyontheimpactwearbehaviorsof40crsteel AT leileilu studyontheimpactwearbehaviorsof40crsteel AT zhikuanji studyontheimpactwearbehaviorsof40crsteel
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A Study on the Impact Wear Behaviors of 40Cr Steel

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