Research on Low-Temperature Plasma Surface Treatment Technology

QIAO Qiansen, BA Dema, LI Zhangqing, CUI Haichao

doi:10.16577/j.issn.1001-1560.2022.0339

Materials Protection >

2022 , Vol. 55 >Issue 12: 55 - 60

DOI: https://doi.org/10.16577/j.issn.1001-1560.2022.0339

Research on Low-Temperature Plasma Surface Treatment Technology

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(1. Department of Equipment Support and Remanufacturing， Army Academy of Armored Forces， Beijing 100072， China；2. No.32178， China People’s Liberation Army， Beijing 100012， China；3. AVIC Composite Technology Center， Beijing 101300， China)

Received date: 2022-06-30

Revised date: 2022-07-20

Accepted date: 2022-08-31

Online published: 2023-12-26

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Abstract

For improving the surface activity of lightweight materials， low-temperature plasma technology was used to modify the surface of aluminum alloy and carbon fiber composite materials. The physical and chemical properties such as contact angle， surface energy， surface micromorphology and surface oxygen content of the two materials were analyzed， and the bonding strength of the materials after treatment was tested. Results showed that after low-temperature plasma treatment，the surface water contact angle of the materials decreased significantly，and the surface energy increased， the oxygen element content and the number of oxygen-containing functional groups on the surface of the materials increased significantly， and the surface micromorphology of the carbon fiber composite material changed. After the low-temperature plasma treatment， the tensile-shear strength of aluminum alloy increased by 37.5%， and the tensile-shear strength of composite material increased by 62.1%. Furthermore， the increase of surface energy and surface active groups were the important factors for the improvement of bonding strength.

Key words： low-temperature plasma; surface modification; surface energy; adhesive properties

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QIAO Qiansen, BA Dema, LI Zhangqing, CUI Haichao . Research on Low-Temperature Plasma Surface Treatment Technology[J]. Materials Protection, 2022 , 55(12) : 55 -60 . DOI: 10.16577/j.issn.1001-1560.2022.0339

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