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Mechanics of magnet-controlled transfer printing

Changhong Linghu, Haodong Zhu, Jinye Zhu, Chenglong Li, Jizhou Song

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

A recently developed magnet-controlled dry adhesive, which offers rapidly tunable and highly reversible adhesion in both air and vacuum, is valuable to develop the magnet-controlled transfer printing for heterogeneous materials integration. An analytical mechanics model based on the energy method is developed to identify the underlying mechanism of the magnet-controlled transfer printing and to predict the interfacial delamination between the magnet-controlled stamp and the ink in the applied magnetic field. The analytical predictions agree well with experiments. The influences of the magnetic pressure, material properties, and geometric parameters of the stamp on the adhesion strength are fully investigated. The critical condition for non-contact printing, validated by experiments, is obtained to eliminate the constraints from the receiver substrate. These results may serve as the theoretical basis for stamp optimization, especially for determining optimal condition for the magnet-controlled transfer printing. © 2019 Elsevier Ltd
Original languageEnglish
Pages (from-to)76-82
JournalExtreme Mechanics Letters
Volume27
DOIs
Publication statusPublished - 1 Feb 2019
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

Funding

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11872331 , 11622221 , and 11621062 ), the National Basic Research Program (Grant No. 2015CB351901 ), the Zhejiang Provincial Natural Science Foundation of China (Grant No. LR15A020001 ), the Shenzhen Science and Technology Program (Grant No. JCY20170816172454095 ), and the Fundamental Research Funds for the Central Universities .

Research Keywords

  • Adhesion strength
  • Energy method
  • Magnet-controlled
  • Transfer printing

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