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Wear of the ultrahard B4C–SiC–TiB2 ceramic composite in unlubricated sliding contact with ceramic counter-parts.

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Title: Wear of the ultrahard B4C–SiC–TiB2 ceramic composite in unlubricated sliding contact with ceramic counter-parts.
Authors: Rodríguez-Rojas, Fernando1 (AUTHOR), Zamora, Victor1 (AUTHOR), Guiberteau, Fernando1 (AUTHOR), Ortiz, Angel L.1 (AUTHOR) alortiz@unex.es
Source: Journal of the European Ceramic Society. Aug2024, Vol. 44 Issue 10, p5555-5568. 14p.
Subjects: Tribological ceramics, Aluminum oxide, Borosilicates, Ceramics
Abstract: The wear performance of the ultrahard B 4 C–SiC–TiB 2 ceramic composite was investigated in unlubricated sliding contact in various friction pairs with other ceramics of very different mechanical properties (diamond, Y 2 O 3 -stabilised ZrO 2 , Al 2 O 3 , Si 3 N 4 , and borosilicate glass) under otherwise identical contact conditions. It was found that this composite is, due to its ultra-high hardness (∼35(1) GPa), a promising material for tribological applications (sliding-wear resistance of the order of 105–108 (N·m)/mm3) that undergoes only very mild two-body abrasion against diamond (∼6.5(7)·10−9 mm3/(N·m)) and mild three-body abrasion against ZrO 2 , Al 2 O 3 , Si 3 N 4 , and borosilicate glass (10−6–10−7 mm3/(N·m)). It was also found that the B 4 C–SiC–TiB 2 composite wore faster against Si 3 N 4 (∼3.1(3)·10−6 mm3/(N·m)) than against Al 2 O 3 (∼1.8(3)·10−6 mm3/(N·m)), next against borosilicate glass (∼1.1(1)·10−6 mm3/(N·m)), and finally slowest against ZrO 2 (∼7.2(6)·10−7 mm3/(N·m)), a trend that was justified based on the consideration that its three-body abrasion is a complex phenomenon conditioned by the abundance and hardness of the wear debris, the formation and coherence of protective tribolayers (either oxide or material transfer), and the effective contact pressure acting on the wear debris. Finally, implications arising from the study are presented. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the European Ceramic Society is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Wear of the ultrahard B4C–SiC–TiB2 ceramic composite in unlubricated sliding contact with ceramic counter-parts.
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  Data: <searchLink fieldCode="AR" term="%22Rodríguez-Rojas%2C+Fernando%22">Rodríguez-Rojas, Fernando</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zamora%2C+Victor%22">Zamora, Victor</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guiberteau%2C+Fernando%22">Guiberteau, Fernando</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ortiz%2C+Angel+L%2E%22">Ortiz, Angel L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alortiz@unex.es</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+European+Ceramic+Society%22">Journal of the European Ceramic Society</searchLink>. Aug2024, Vol. 44 Issue 10, p5555-5568. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Tribological+ceramics%22">Tribological ceramics</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+oxide%22">Aluminum oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Borosilicates%22">Borosilicates</searchLink><br /><searchLink fieldCode="DE" term="%22Ceramics%22">Ceramics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The wear performance of the ultrahard B 4 C–SiC–TiB 2 ceramic composite was investigated in unlubricated sliding contact in various friction pairs with other ceramics of very different mechanical properties (diamond, Y 2 O 3 -stabilised ZrO 2 , Al 2 O 3 , Si 3 N 4 , and borosilicate glass) under otherwise identical contact conditions. It was found that this composite is, due to its ultra-high hardness (∼35(1) GPa), a promising material for tribological applications (sliding-wear resistance of the order of 105–108 (N·m)/mm3) that undergoes only very mild two-body abrasion against diamond (∼6.5(7)·10−9 mm3/(N·m)) and mild three-body abrasion against ZrO 2 , Al 2 O 3 , Si 3 N 4 , and borosilicate glass (10−6–10−7 mm3/(N·m)). It was also found that the B 4 C–SiC–TiB 2 composite wore faster against Si 3 N 4 (∼3.1(3)·10−6 mm3/(N·m)) than against Al 2 O 3 (∼1.8(3)·10−6 mm3/(N·m)), next against borosilicate glass (∼1.1(1)·10−6 mm3/(N·m)), and finally slowest against ZrO 2 (∼7.2(6)·10−7 mm3/(N·m)), a trend that was justified based on the consideration that its three-body abrasion is a complex phenomenon conditioned by the abundance and hardness of the wear debris, the formation and coherence of protective tribolayers (either oxide or material transfer), and the effective contact pressure acting on the wear debris. Finally, implications arising from the study are presented. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the European Ceramic Society is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jeurceramsoc.2024.03.032
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        Text: English
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      – SubjectFull: Aluminum oxide
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      – SubjectFull: Borosilicates
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      – TitleFull: Wear of the ultrahard B4C–SiC–TiB2 ceramic composite in unlubricated sliding contact with ceramic counter-parts.
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            NameFull: Zamora, Victor
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              Text: Aug2024
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