Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides

Pure Ti and Ti-6Al-4V alloy show high specific strength, excellent fatigue strength and good corrosion resistance; however, their poor wear resistance limits potentially wider application. To improve the wear resistance of pure Ti and Ti-6Al-4V alloy, they were reinforced with two types of titanium...

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Autores principales:	Hiroshi IZUI, Kotaro HATTORI, Yoshiki KOMIYA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2020
Materias:	pure titanium ti-6al-4v alloy titanium carbonitrides (tic1-xnx) tic0.3n0.7 tic0.7n0.3 titanium matrix composites dry sliding wear resistance Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/e78379831d0e4daabcd8d3821aa02fd1
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spelling	oai:doaj.org-article:e78379831d0e4daabcd8d3821aa02fd12021-11-29T06:01:25ZDry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides2187-974510.1299/mej.20-00029https://doaj.org/article/e78379831d0e4daabcd8d3821aa02fd12020-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/7/5/7_20-00029/_pdf/-char/enhttps://doaj.org/toc/2187-9745Pure Ti and Ti-6Al-4V alloy show high specific strength, excellent fatigue strength and good corrosion resistance; however, their poor wear resistance limits potentially wider application. To improve the wear resistance of pure Ti and Ti-6Al-4V alloy, they were reinforced with two types of titanium carbonitrides (TiC1-xNx), TiC0.3N0.7 (N rich) and TiC0.7N0.3 (C rich). The composites with 2.5, 5.0, 7.5 and 10.0 vol.% reinforcement were fabricated by spark plasma sintering (SPS). Dry wear tests of the composites were performed against a 10 mm-diameter high-carbon-chromium steel ball under 23 N normal load, at a sliding speed of 100 mm/s and a sliding distance of 500 m using a ball-on-disk configuration. The pure Ti and Ti-6Al-4V alloy matrix composites with TiC0.3N0.7 showed good wear resistance compared to the composites with TiC0.7N0.3. For the TiC0.3N0.7 reinforcement, the pure Ti matrix composite showed better wear resistance than the Ti-6Al-4V alloy matrix composite. The specific wear rate of the pure Ti matrix composite containing 10 vol.% TiC0.3N0.7 was almost zero. The amount of nitrogen diffused into the titanium matrix was higher than that of carbon diffused into the matrix. The Vickers hardnesses of the composites with TiC0.3N0.7 were higher than those of the composites with TiC0.7N0.3, due to the solid solution strengthening of the nitrogen in the Ti matrix. Therefore, the dry sliding wear characteristics of the titanium matrix composites depended on the amount of nitrogen diffused into the Ti matrix.Hiroshi IZUIKotaro HATTORIYoshiki KOMIYAThe Japan Society of Mechanical Engineersarticlepure titaniumti-6al-4v alloytitanium carbonitrides (tic1-xnx)tic0.3n0.7tic0.7n0.3titanium matrix compositesdry sliding wear resistanceMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 7, Iss 5, Pp 20-00029-20-00029 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	pure titanium ti-6al-4v alloy titanium carbonitrides (tic1-xnx) tic0.3n0.7 tic0.7n0.3 titanium matrix composites dry sliding wear resistance Mechanical engineering and machinery TJ1-1570
spellingShingle	pure titanium ti-6al-4v alloy titanium carbonitrides (tic1-xnx) tic0.3n0.7 tic0.7n0.3 titanium matrix composites dry sliding wear resistance Mechanical engineering and machinery TJ1-1570 Hiroshi IZUI Kotaro HATTORI Yoshiki KOMIYA Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
description	Pure Ti and Ti-6Al-4V alloy show high specific strength, excellent fatigue strength and good corrosion resistance; however, their poor wear resistance limits potentially wider application. To improve the wear resistance of pure Ti and Ti-6Al-4V alloy, they were reinforced with two types of titanium carbonitrides (TiC1-xNx), TiC0.3N0.7 (N rich) and TiC0.7N0.3 (C rich). The composites with 2.5, 5.0, 7.5 and 10.0 vol.% reinforcement were fabricated by spark plasma sintering (SPS). Dry wear tests of the composites were performed against a 10 mm-diameter high-carbon-chromium steel ball under 23 N normal load, at a sliding speed of 100 mm/s and a sliding distance of 500 m using a ball-on-disk configuration. The pure Ti and Ti-6Al-4V alloy matrix composites with TiC0.3N0.7 showed good wear resistance compared to the composites with TiC0.7N0.3. For the TiC0.3N0.7 reinforcement, the pure Ti matrix composite showed better wear resistance than the Ti-6Al-4V alloy matrix composite. The specific wear rate of the pure Ti matrix composite containing 10 vol.% TiC0.3N0.7 was almost zero. The amount of nitrogen diffused into the titanium matrix was higher than that of carbon diffused into the matrix. The Vickers hardnesses of the composites with TiC0.3N0.7 were higher than those of the composites with TiC0.7N0.3, due to the solid solution strengthening of the nitrogen in the Ti matrix. Therefore, the dry sliding wear characteristics of the titanium matrix composites depended on the amount of nitrogen diffused into the Ti matrix.
format	article
author	Hiroshi IZUI Kotaro HATTORI Yoshiki KOMIYA
author_facet	Hiroshi IZUI Kotaro HATTORI Yoshiki KOMIYA
author_sort	Hiroshi IZUI
title	Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
title_short	Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
title_full	Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
title_fullStr	Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
title_full_unstemmed	Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
title_sort	dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
publisher	The Japan Society of Mechanical Engineers
publishDate	2020
url	https://doaj.org/article/e78379831d0e4daabcd8d3821aa02fd1
work_keys_str_mv	AT hiroshiizui dryslidingwearresistancecharacterizationoftitaniummatrixcompositesreinforcedwithtitaniumcarbonitrides AT kotarohattori dryslidingwearresistancecharacterizationoftitaniummatrixcompositesreinforcedwithtitaniumcarbonitrides AT yoshikikomiya dryslidingwearresistancecharacterizationoftitaniummatrixcompositesreinforcedwithtitaniumcarbonitrides
_version_	1718407618663284736

Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides

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