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Precise WEDM of micro-textured mould for micro-injection molding of hydrophobic polymer surface.

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Title: Precise WEDM of micro-textured mould for micro-injection molding of hydrophobic polymer surface.
Authors: Lu, Yanjun1 (AUTHOR), Chen, Fumin1 (AUTHOR), Wu, Xiaoyu1 (AUTHOR), Zhou, Chaolan1 (AUTHOR) zhouchaolan@szu.edu.cn, Zhao, Hang1 (AUTHOR), Li, Liejun1,2 (AUTHOR) liliejun@scut.edu.cn, Tang, Yong2 (AUTHOR)
Source: Materials & Manufacturing Processes. 2019, Vol. 34 Issue 12, p1342-1351. 10p.
Subjects: Hydrophobic surfaces, Contact angle, Injection molding, Surface topography, Surface roughness, Polymers
Abstract: In this paper, the hydrophobic polymer surface with regular and controllable micro-textured structures was effectively and rapidly fabricated by micro-injection molding using a novel micro-textured mold machined by wire electrical discharge machining (WEDM). The phase constitutions of smooth and micro-textured mold surfaces were compared along with machined surface roughness of molds. The surface topographies of micro-textured molds and micro-injection molded polymers were characterized. The machining accuracy of WEDM for micro-textured mold and the replication rate of micro-injection molding for micro-textured polymer were calculated and analyzed. The wetting behaviors of smooth and micro-textured polymer surface were investigated together with the static contact angle and contact angle evolution versus time. The experimental results show that the maximum contact angle on the micro-textured polymer surface can reach to 127.5°, which was improved by about 71.6% compared with smooth polymer surface. It is shown that the highest machining accuracy of mold and the maximum replication rate of micro-injection molding can reach to 0.153% and 99.455%, respectively. [ABSTRACT FROM AUTHOR]
Copyright of Materials & Manufacturing Processes is the property of Taylor & Francis Ltd 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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DbLabel: Engineering Source
An: 138754142
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PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Precise WEDM of micro-textured mould for micro-injection molding of hydrophobic polymer surface.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Lu%2C+Yanjun%22">Lu, Yanjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Fumin%22">Chen, Fumin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Xiaoyu%22">Wu, Xiaoyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Chaolan%22">Zhou, Chaolan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhouchaolan@szu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Hang%22">Zhao, Hang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Liejun%22">Li, Liejun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> liliejun@scut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Tang%2C+Yong%22">Tang, Yong</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%26+Manufacturing+Processes%22">Materials & Manufacturing Processes</searchLink>. 2019, Vol. 34 Issue 12, p1342-1351. 10p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Hydrophobic+surfaces%22">Hydrophobic surfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Contact+angle%22">Contact angle</searchLink><br /><searchLink fieldCode="DE" term="%22Injection+molding%22">Injection molding</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+topography%22">Surface topography</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+roughness%22">Surface roughness</searchLink><br /><searchLink fieldCode="DE" term="%22Polymers%22">Polymers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, the hydrophobic polymer surface with regular and controllable micro-textured structures was effectively and rapidly fabricated by micro-injection molding using a novel micro-textured mold machined by wire electrical discharge machining (WEDM). The phase constitutions of smooth and micro-textured mold surfaces were compared along with machined surface roughness of molds. The surface topographies of micro-textured molds and micro-injection molded polymers were characterized. The machining accuracy of WEDM for micro-textured mold and the replication rate of micro-injection molding for micro-textured polymer were calculated and analyzed. The wetting behaviors of smooth and micro-textured polymer surface were investigated together with the static contact angle and contact angle evolution versus time. The experimental results show that the maximum contact angle on the micro-textured polymer surface can reach to 127.5°, which was improved by about 71.6% compared with smooth polymer surface. It is shown that the highest machining accuracy of mold and the maximum replication rate of micro-injection molding can reach to 0.153% and 99.455%, respectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials & Manufacturing Processes is the property of Taylor & Francis Ltd 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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RecordInfo BibRecord:
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        Value: 10.1080/10426914.2019.1660784
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 1342
    Subjects:
      – SubjectFull: Hydrophobic surfaces
        Type: general
      – SubjectFull: Contact angle
        Type: general
      – SubjectFull: Injection molding
        Type: general
      – SubjectFull: Surface topography
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      – SubjectFull: Surface roughness
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      – SubjectFull: Polymers
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    Titles:
      – TitleFull: Precise WEDM of micro-textured mould for micro-injection molding of hydrophobic polymer surface.
        Type: main
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          Name:
            NameFull: Lu, Yanjun
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            NameFull: Chen, Fumin
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            NameFull: Wu, Xiaoyu
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            NameFull: Zhao, Hang
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            NameFull: Li, Liejun
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            NameFull: Tang, Yong
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            – D: 01
              M: 09
              Text: 2019
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