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Nanomechanical and angle-dependence optical properties in beetle popillia indgigonacea motsch (Coleoptera)
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Liu, Xianping, Zhang, Zhijun, Li, Na, Wu, Wei and Sun, Jiyu (2018) Nanomechanical and angle-dependence optical properties in beetle popillia indgigonacea motsch (Coleoptera). In: IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO) , Hangzhou, China, 13-17 Aug 2018 doi:10.1109/3M-NANO.2018.8552189
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Official URL: https://doi.org/10.1109/3M-NANO.2018.8552189
Abstract
The nanomechanical and angle-dependence optical properties of elytra of Popillia indgigonacea Motsch were studied in this paper. The surface morphology structure and interior microstructure of elytron are investigated by confocal laser scanning microscope (CLSM) and scanning electron microscopy (SEM), respectively. There are fish-like scales and pits on the surface of elytron. The interior microstructures are composed of multilayer of epicuticle, and then is feather-like units of exocuticle. The nanomechanical properties were got by nanoindentation technique. The values of reduced modulus (E r ) and hardness (H) of the transverse section display a declining tendency from endocuticleto endocuticle, and fluctuant variation for longitudinal section. The relatively higher E r and H of elytron surface play a role in resisting force, and the lower strength is to buffer. Additionally, the optical testing of elytron specimen was conducted by angle-resolved spectroscopy system in different angles from 0° to 60°. The reflectance peak gradually transfers from 588 to 510 nm showing colors of orange, yellow and green when the incidence angle switches from 0° to 60° in multilayer.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Official Date: | 29 November 2018 | ||||
Dates: |
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DOI: | 10.1109/3M-NANO.2018.8552189 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO) | ||||
Type of Event: | Conference | ||||
Location of Event: | Hangzhou, China | ||||
Date(s) of Event: | 13-17 Aug 2018 |
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