基于纳米压痕技术的光子晶体薄膜实验研究与有限元模拟

doi:10.11896/cldb.18070010

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Abstract The photonic crystals thin films have been prepared for the investigation of their deformation behaviors by nanoindentation tests at the sub-microscale. The process of nanoindentation test was simulated by ABAQUS software. The results indicate that the prepared photonic crystals thin films is highly ordered and arranged closely,and the measured elastic modulus is 7.79 GPa and the hardness is 0.181 GPa. Through the simulation of the different indenting positions, it is concluded that both the hardness and the elastic modulus increase slightly with the transition of the indentation point from the spherical surface crown to the middle position of the two microspheres, but the average error can be ignored and points out the reasons of the errors via the energy distribution. The simulation curve is basically consistent with the experimental load-displacement curve so that it can effectively simulate the mechanical test of the photonic crystals material, thus laying the foundation for the further research.

Key words： photonic crystals thin films nanoindentation finite element method energy method indentation positions

Published: 20 June 2019

CLC number:

O341

Fund:This work was financially supported by the National Natural Science Foundation of China (51572058,91216123).

About author:: Yuemin Wang is a Ph.D. student at the school of Astronautics, Harbin Institute of Technology. His research interests focus on the functional composite materials, and carries out the basic theory and application research on the mechanics of micro/nano-materials based on the nanoindentation technology.Yao Li has been a professor of Materials Science in the Center for Composite Materials and Structure, Harbin Institute of Technology (HIT) and a council member of Chinese Materials Research Society. He was named as “New Century Excellent Talents Program Scholar” in 2006, “Youth leader in Science and Technology Innovation” in 2015, “Yangtze River Scholar” in 2016, and “Ten Thousand Talent Program Scholar” in 2017.

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	WANG Yuemin
	SHANG Lei
	YAN Xiangqiao
	LI Xingang
	LI Yao

Cite this article:

WANG Yuemin,SHANG Lei,YAN Xiangqiao, et al. Simulation of Nanoindentation Experiments of Photonic Crystals Thin Films Using Finite Element Method[J]. Materials Reports, 2019, 33(14): 2283-2286.

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http://www.mater-rep.com/EN/10.11896/cldb.18070010 OR http://www.mater-rep.com/EN/Y2019/V33/I14/2283

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