Synergic effect of carbon black and short carbon fiber on shape memory polymer actuation by electricity
Abstract
This paper presents a study on the effect of carbon black (CB) and short carbon fibers (SCFs) on shape memory polymer (SMP) actuation by applying electric current. The coexistence of CB and SCF electrically conductive networks, supporting each other, resulting in significant improvement of electrical properties, was supported by optical microscopy, while the roles of particulate and fibrous fillers were distinguished by scanning electron microscopy. In sequence, the volume resistivity curves of one filler systems and two fillers systems were figured out and compared. Moreover, experimental results substantiated that the actuation voltage of two-filler SMP composites’ shape recovery was prominently lower in comparison with that of one-filler systems at the same filler content. Additional, the response of glass transition temperature (Tg) and thermomechanical properties to filler content and two fillers’ synergic effect were characterized and illuminated experimentally.
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Short carbon fibers and carbon blacks have good synergic effect on improving the electrical conductivity of the composite with short carbon fibers as conductive bridge to connect carbon blacks.
“Short carbon fibers and CBs have good synergic effect on improving the electrical conductivity of the composite with short carbon fibers as conductive bridge to connect CBs.”
From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [310]
Leng et al. demonstrated that the coexistence of CBs and short carbon fibers helped each other, resulting in significant improvement of electrical conductivity.
“Leng et al. [309,310] demonstrated that the coexistence of CBs and short carbon fibers helped each other, resulting in significant improvement of electrical conductivity.”
From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [310]
Application of 25 V to styrene-based SMP filled with 5 wt% carbon black and 2 wt% short carbon fibers resulted in shape recovery times of 50 s.
“The application of 25 V to styrene-based SMP, filled with 5 wt% of carbon black and 2 wt% of short carbon fibers, resulted in shape recovery times of 50 s.”
From Review on the Functional Determinants and Durability of Shape Memory Polymers (2010) · cites this paper as [207]
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- Authors
- Leng, J., Lv, H., Liu, Y., & Du, S.
- Affiliations
- Harbin Institute of Technology (CN)
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 2008-11-15
- Volume
- 104
- Issue
- 10
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W2074260498
- Cited by
- 135
- References
- 16
- Citations by year
- 2026: 2 · 2025: 5 · 2024: 3 · 2023: 2 · 2022: 8 · 2021: 11 · 2020: 6 · 2019: 7 · 2018: 4 · 2017: 9 · 2016: 6 · 2015: 6 · 2014: 14 · 2013: 18 · 2012: 1
- FWCI
- 7.29
- Type
- journal article
- Language
- en
- Update notices
- correction (2009-06-22)
- Open access
- closed
- Locations
- Journal of Applied Physics (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
- Keywords
- shape memory polymers, carbon black, short carbon fibers, electrical actuation, synergistic effect, conductive fillers, volume resistivity, actuation voltage, shape recovery, glass transition temperature, thermomechanical properties, polymer composites
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