Preparation and Performance of Conductive Composites Embedded in Honeycomb-Like Graphite Skeletons

Wu Haihua; Xiao Linnan; Wang Jun; Wang Yadi

doi:10.3788/LOP55.011417

Laser & Optoelectronics Progress, Volume. 55, Issue 1, 11417(2018)

Preparation and Performance of Conductive Composites Embedded in Honeycomb-Like Graphite Skeletons

Wu Haihua^*, Xiao Linnan, Wang Jun, and Wang Yadi

Hubei Key Laboratory of Hydroelectric Machinery Design and Maintenance, China Three Gorges University,Yichang, Hubei 443002, China

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Figures & Tables(9)

Fig. 1. Schematics of spatial decomposition and assembly process of (a) Y-type and (b) parallel-edge-type honeycomb-like structures

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Fig. 2. Models of (a) Y-type and (b) parallel-edge-type honeycomb-like porous skeleton structures

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Fig. 3. Schematic of volume resistivity measuring devices

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Fig. 4. Photographs of (a) Y-type and (b) parallel-edge-type honeycomb-like graphite skeletons

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Fig. 5. Photographs of (a) new conductive composite and (b) its cross-section

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Fig. 6. Internal micro-morphologies of graphite skeletons under different post-treatment processes. (a) Untreated condition; (b) impregnation; (c) impregnation and carbonization

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Fig. 7. Effect of number of honeycombs on mechanical and electrical properties of new conductive composites

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Table 1. Effect of post-treatment process on electrical and mechanical properties of new conductive composites
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Table 1. Effect of post-treatment process on electrical and mechanical properties of new conductive composites
Post-treatmentprocess Untreatedcondition Impregnation Impregnationandcarbonation
Conductivity /(S·cm^-1) 7.80×10^-4 7.47×10^-4 0.104
Bendingstrength /MPa 18.75 31.33 20.61

Table 2. Effect of porous graphite skeleton structure on mechanical and electrical properties of conductive composites
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Table 2. Effect of porous graphite skeleton structure on mechanical and electrical properties of conductive composites
Honeycomb-likeskeleton type Ordinarytype Parallel-edge-type Y-type
Conductivity /(S·cm^-1) 9.13×10^-3 1.52×10^-3 7.80×10^-4
Bendingstrength /MPa 13.94 14.90 18.75

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Wu Haihua, Xiao Linnan, Wang Jun, Wang Yadi. Preparation and Performance of Conductive Composites Embedded in Honeycomb-Like Graphite Skeletons[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11417

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Paper Information

Category: Lasers and Laser Optics

Received: Jul. 24, 2017

Accepted: --

Published Online: Sep. 10, 2018

The Author Email: Wu Haihua (652146213@qq.com)

DOI:10.3788/LOP55.011417

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Effect of post-treatment process on electrical and mechanical properties of new conductive composites

Table 1. Effect of post-treatment process on electrical and mechanical properties of new conductive composites

Table 2. Effect of porous graphite skeleton structure on mechanical and electrical properties of conductive composites

Table 2. Effect of porous graphite skeleton structure on mechanical and electrical properties of conductive composites