| Effect of Trace Element Content on Adhesion of CR-Brass Bonding Interface |
| Received:April 27, 2018 Revised:April 27, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.08.0573 |
| Key Words: CR；brass；bonding interface；trace elements；adhesion；chemical bonding；physical bonding |
| Author Name | Affiliation | E-mail | | LI li | Qingdao University of Science and Technology | 15610059638@163.com | | WANG Chengcheng* | Qingdao University of Science and Technology | 15610059638@163.com | | YANG Linbin | Qingdao University of Science and Technology | | | XIE Tian | Qingdao University of Science and Technology | |
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| Abstract: |
| The relationship between trace element content in the bonding interface of chloroprene rubber （CR）（vulcanizate） filled with different carbon black varieties-brass and adhesion was analyzed.The changes of trace element content in the CR-brass bonding interface before aging，after thermal aging and after water immersion were investigated，and the effects of trace element content in the CR-brass bonding interface by chemical bonding and physical bonding on adhesion were studied.The results showed that，after thermal aging，the S element mass fraction，Cu element mass fraction and S element/Cu element mass fraction ratio of CR-brass bonding interface by chemical bonding increased，and the adhesion increased.After water immersion，the S element mass fraction of CR-brass bonding interface by chemical bonding was decreased，the Cu element mass fraction increased，and the adhesion decreased.After thermal aging and water immersion，the trace elements mass fraction of CR-brass bonding interface by physical bonding had little change，and the trace elements mass fraction could not be used to characterize the adhesion strength. |
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