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    The movement and settlement behaviour of cyprids of Balanus reticulatus on the surfaces of the titanium alloys

    Year: 2022

    Journal: Biofouling, Volume 38, NOV 11, page 824–836

    Authors: Chai, Ke; Wu, Yaohua; Shi, Wei; Duan, Dongxia; Wu, Jinyi; Han, Enhou

    Organizations: Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) [311020012]; Guangzhou Basic and Applied Basic Research Foundation [202102080638]

    Keywords: Balanus reticulatus; cyprids; settlement; titanium alloys

    The motion paths of Balanus reticulatus cyprids were similar on all the titanium alloys surfaces. On the parallel grinding surfaces, the temporary attachment duration and the settlement ratio of the cyprids were influenced by the roughness and the composition of the surfaces and correlated positively. The surface roughness could also change the contact area and the numbers of the attachment points of the cyprids in the similar pattern. Consequently, the roughness and the composition of the surfaces regulated the cyprid settlement by the temporary attachment duration. The cross grinding increased the temporary attachment duration but drastically decreased the settlement ratio to 0 compared to the parallel grinding, possibly due to the voids and the drastic decrease of the contact area and the numbers of the attachment points of the cyprids on the cross grinding surface, respectively. The cross grinding therefore significantly reduced the cyprid settlement compared to the parallel grinding.
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