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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Nanotextured Mold Surface with DLC Coating for Reduction in Residual Ceramic Particles

http://hdl.handle.net/2237/0002001976
http://hdl.handle.net/2237/0002001976
63ffdd33-f90a-4990-bfd5-54a0da04627b
名前 / ファイル ライセンス アクション
Langmuir.pdf Langmuir.pdf (2.1 MB)
Item type itemtype_ver1(1)
公開日 2022-01-19
タイトル
タイトル Nanotextured Mold Surface with DLC Coating for Reduction in Residual Ceramic Particles
言語 en
著者 Murashima, Motoyuki

× Murashima, Motoyuki

en Murashima, Motoyuki

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Hojo, Koki

× Hojo, Koki

en Hojo, Koki

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Ito, Shigehiro

× Ito, Shigehiro

en Ito, Shigehiro

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Umehara, Noritsugu

× Umehara, Noritsugu

en Umehara, Noritsugu

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Tokoroyama, Takayuki

× Tokoroyama, Takayuki

en Tokoroyama, Takayuki

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Takahashi, Tomonori

× Takahashi, Tomonori

en Takahashi, Tomonori

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Imaeda, Minoru

× Imaeda, Minoru

en Imaeda, Minoru

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This document is the Accepted Manuscript version of a Published Work that appeared in final form in [Langmuir], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [https://pubs.acs.org/articlesonrequest/AOR-2UESCC94EN2V3K4RC8RM].”
内容記述
内容記述 In the ceramic industry, ceramic particles remain on a mold surface due to which the mold requires frequent cleaning during press molding, reducing productivity. Surface texturing and tetrahedral amorphous carbon (ta-C) coatings are well-known surface-energy controllable treatments developed for low adhesion, low friction, and high wear resistance. In the present paper, we demonstrate the effect of reducing ceramic residues using nanotexturing, ta-C coatings, and their combination. We compare two surface morphologies (i.e., 770 nm pitch nanotexturing and flat) and five materials (i.e., nonhardened steel, hardened steel, ta-C, and two types of nitrogen-doped ta-C (ta-CNx). Molding test results show that the ta-C coating on flat surfaces with the highest hardness of 30 GPa shows the lowest residual amount of 5.9 μg for Al2O3 ceramic particles. The amount is 82% less than that of the nonhardened steel. The ta-CNx20, made with a nitrogen flow rate of 20 sccm, shows the lowest residual amount of 234 μg for SiO2 ceramic particles, which is 81% less than that of the nontextured ta-CNx20. In conclusion, we provide design guidelines for nanotextured mold surfaces including the texturing pitch should be small enough for ceramic particles; the mold surface should be sufficiently hard; the lower the surface energy per unit area, the less residues of ceramic particles.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 ACS Publications
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1021/acs.langmuir.0c03435
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0743-7463
書誌情報 en : Langmuir

巻 37, 号 12, p. 3563-3574, 発行日 2021-03-30
ファイル公開日
日付 2022-03-30
日付タイプ Available
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