Modified automotive organic friction materials through infiltration of liquid carbon precursors

Lee Kuo-Jung (이규정); Wu Ting-Yu; Lin Hsun-Yu; Cheng Huy-Zu (Cheng Huy-Zuㅍ); Wang Chih-Feng

doi:10.1007/s42823-019-00015-1

Modified automotive organic friction materials through infiltration of liquid carbon precursors

Carbon Letters
Abbr : Carbon Lett.
2019, 29(4), pp.359-368
DOI : 10.1007/s42823-019-00015-1
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : May 28, 2018
Accepted : May 24, 2019
Published : August 1, 2019

Lee Kuo-Jung ¹, Wu Ting-Yu ¹, Lin Hsun-Yu ¹, Cheng Huy-Zu ¹, Wang Chih-Feng ¹

¹I-SHOU University

Accredited

ABSTRACT

This research combines the liquid carbon precursor infiltration process for carbon/carbon composites with the fabrication procedure for organic, carbon-matrix friction materials in automotive. In the densification process, different liquid carbon precursors and numbers of densification cycle are adopted to investigate the influence on physical and mechanical properties, microstructure and tribological behavior. Experimental results indicate that the infiltration of liquid carbon precursors could improve the physical, mechanical properties and tribological performances of organic friction materials. The open porosity decreases with the number of densification cycle. Both bulk density and hardness increase with the number of densification cycle. The resin-based specimens show higher hardness and lower open porosity than those of the pitch-based specimens after each densification cycle. The tribological measurement of specimens with different carbon precursors shows that the pitch-based specimen shows lower and more stable friction coefficients and exhibits lower weight losses in comparison with other carbon precursors. Morphological observations show that a large area of smooth lubricative film was easily presented on the worn surfaces of the pitch-based specimens, whereas it was seldom observed on the worn surfaces of the preform specimen and resin-based specimens.

KEYWORDS

Organic friction material Liquid carbon precursor Infiltration Densification Wear

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Total Citation Counts(KCI+WOS) (1) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

Modified automotive organic friction materials through infiltration of liquid carbon precursors

ABSTRACT

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Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (1) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (1) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

Modified automotive organic friction materials through infiltration of liquid carbon precursors

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KEYWORDS

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WoS Citation Counts (1) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (1) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (1) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

* References for papers published after 2023 are currently being built.