Enhanced Adhesion Properties of Polymer-Metal Interfaces via Nano-injection Molding: A Study on Molecular Kinematic Mechanisms
RESEARCH ARTICLE|Updated:2023-05-26
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Enhanced Adhesion Properties of Polymer-Metal Interfaces via Nano-injection Molding: A Study on Molecular Kinematic Mechanisms
Enhanced Adhesion Properties of Polymer-Metal Interfaces via Nano-injection Molding: A Study on Molecular Kinematic Mechanisms
高分子科学(英文版)2023年41卷第6期 页码:981-993
Affiliations:
School of Advanced Manufacturing, Nanchang University, Nanchang 330031, China
Author bio:
dlliu@ncu.edu.cn
Funds:
This work was financially supported by the National Natural Science Foundation of China (No. 52165046). We thank the anonymous reviewers, whose comments have helped improve the presentation of our work.
Li, H. C.; Liu, D. L.; Luo, X.; Yuan, T.; Zhan, K.; Gan, J. Enhanced adhesion properties of polymer-metal interfaces via nano-injection molding: a study on molecular kinematic mechanisms. Chinese J. Polym. Sci. 2023, 41, 981–993
Hong-Chen Li, Dong-Lei Liu, Xin Luo, et al. Enhanced Adhesion Properties of Polymer-Metal Interfaces via Nano-injection Molding: A Study on Molecular Kinematic Mechanisms[J]. Chinese Journal of Polymer Science, 2023, 41(6): 981-993. DOI: 10.1007/s10118-023-2906-6.
Li, H. C.; Liu, D. L.; Luo, X.; Yuan, T.; Zhan, K.; Gan, J. Enhanced adhesion properties of polymer-metal interfaces via nano-injection molding: a study on molecular kinematic mechanisms. Chinese J. Polym. Sci. 2023, 41, 981–993DOI: 10.1007/s10118-023-2906-6.
Hong-Chen Li, Dong-Lei Liu, Xin Luo, et al. Enhanced Adhesion Properties of Polymer-Metal Interfaces via Nano-injection Molding: A Study on Molecular Kinematic Mechanisms[J]. Chinese Journal of Polymer Science, 2023, 41(6): 981-993. DOI: 10.1007/s10118-023-2906-6.DOI:
Enhanced Adhesion Properties of Polymer-Metal Interfaces via Nano-injection Molding: A Study on Molecular Kinematic Mechanisms
PPS-Cu and PPS-Fe interfacial models with pyramidal nano-slots were modeled. The multiple-anchor-point slipping phenomenon was in nano-injection molding revealed. And the molecular kinematic mechanisms of polymer-metal interface interactive were studied.
Abstract
Nano-injection molding enables the formation of nano-scale anchors to connect heterogeneous material surfaces to achieve the required mechanical properties. In this work
polyphenylene sulfide (PPS)
aluminum (Al)
copper (Cu)
and iron (Fe) were selected as candidate polymer and metal materials. Three kinds of polymer-metal interfacial models with pyramidal nano-slots were modeled. The molecular dynamics simulations were launched to investigate the adhesion properties and molecular kinematic mechanisms of heterogeneous interfaces in nano-injection molding. Results showed that the wall-slipping behavior of PPS at the interface slot was obvious
it was easy to form multiple-anchor-points in the central area of substrates
and these anchor points were easily slipping along the wall
different from the de Gennes model. The atomic lattice and atomic band gap of metal affected the adhesion strength. The BCC lattice of Fe was more suitable for nano-injection molding process than the FCC lattice of Al and Cu. The filling rate
interfacial energy
the tensile and shear failures data revealed that the interfacial adhesion performances decreased according to the following order
Fe-PPS
Cu-PPS and Al-PPS components
respectively
and the interface failure mode was closely related to the stress loading mode.
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Keywords
references
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