A Two-Dimensional Piezoresistivity Model for Anisotropic Materials and its Application in Self-Sensing of Carbon Fiber Reinforced Plastics
This thesis works on the topic of fiber-reinforced plastics and discusses the measurement of strain with embedded sensors. Embedding sensors into a structure fundamentally poses challenges arising from the differences in mechanical properties of sensor and structure. This thesis works on the researc...
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| Awdur Corfforaethol: | |
| Fformat: | Electronig eLyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Cham :
Springer Nature Switzerland : Imprint: Springer,
2023.
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| Rhifyn: | 1st ed. 2023. |
| Cyfres: | Mechanics and Adaptronics,
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| Pynciau: | |
| Mynediad Ar-lein: | https://doi.org/10.1007/978-3-031-23766-9 |
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| LEADER | 00000nam a22000005i 4500 | ||
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| 001 | 978-3-031-23766-9 | ||
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| 005 | 20230810181026.0 | ||
| 007 | cr nn 008mamaa | ||
| 008 | 230302s2023 sz | s |||| 0|eng d | ||
| 020 | |a 9783031237669 |9 978-3-031-23766-9 | ||
| 024 | 7 | |a 10.1007/978-3-031-23766-9 |2 doi | |
| 050 | 4 | |a TA401-492 | |
| 072 | 7 | |a TGM |2 bicssc | |
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| 072 | 7 | |a TGM |2 thema | |
| 082 | 0 | 4 | |a 620.11 |2 23 |
| 100 | 1 | |a Scholle, Patrick. |e author. |4 aut |4 http://id.loc.gov/vocabulary/relators/aut | |
| 245 | 1 | 2 | |a A Two-Dimensional Piezoresistivity Model for Anisotropic Materials and its Application in Self-Sensing of Carbon Fiber Reinforced Plastics |h [electronic resource] / |c by Patrick Scholle. |
| 250 | |a 1st ed. 2023. | ||
| 264 | 1 | |a Cham : |b Springer Nature Switzerland : |b Imprint: Springer, |c 2023. | |
| 300 | |a XV, 196 p. 159 illus., 146 illus. in color. |b online resource. | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 347 | |a text file |b PDF |2 rda | ||
| 490 | 1 | |a Mechanics and Adaptronics, |x 2731-622X | |
| 505 | 0 | |a 1. Introduction -- 2. State of the Art of Embedded Strain Sensors for Fiber Reinforced Plastics -- 3. Electrical Homogeneity and Fiber Waviness: Predominant Factors for Self-Strain-Sensing Carbon Fiber Structures – A Literature Study -- 4. Concerning the Influence of Current Inhomogeneity on Self-Strain-Sensing Properties of Carbon Fiber Reinforced Plastics -- 5. Direct Measurement of the Potential Distribution on Conducting Surfaces -- 6. Implementation Aspects of Self-Strain-Sensing Carbon Fiber Rods -- 7. Summary Conclusions and Outlook. | |
| 520 | |a This thesis works on the topic of fiber-reinforced plastics and discusses the measurement of strain with embedded sensors. Embedding sensors into a structure fundamentally poses challenges arising from the differences in mechanical properties of sensor and structure. This thesis works on the research area of Self-Sensing, where these challenges are overcome by using carbon fibers for both load-carrying and strain-sensing functions. Starting with a literature review, this thesis proposes three research hypotheses, which are targeted to describe the Self-Sensing properties of unidirectional carbon fiber reinforced plastics (CFRPs) for strain measurements. These hypotheses assume, that the electric anisotropy of the material results in a complex voltage distribution within a Self-Sensing specimen. In order to discuss this point further, a two-dimensional piezoresistivity model based on the Laplace equation is introduced. The developed model newly allows to quantify the electric potential changes in specimens with arbitrary geometrical dimensions and electric anisotropy. Furthermore, this thesis discusses a set of experimental results on the piezoresistive properties of unidirectional CFRP made with the pultrusion process. Overall, the results of the experiments indicate that the most repeatable results are obtained for specimens with electric contacts at their cut-end. This approach allows to manufacture Self-Strain-Sensing rods with a gauge factor of approximately 1.9 that can be used in a multifunctional manner for both load-carrying and strain-sensing purposes. Furthermore, a novel measurement setup is developed, which allows to acquire the electric potential distribution on the surface of electrical conductors with very high spacial resolution. This experimental setup newly reveals that the current flow in specimens can be more complex than assumed in a two-dimensional model. | ||
| 650 | 0 | |a Materials. | |
| 650 | 0 | |a Engineering design. | |
| 650 | 0 | |a Engineering mathematics. | |
| 650 | 0 | |a Engineering |x Data processing. | |
| 650 | 1 | 4 | |a Materials Engineering. |
| 650 | 2 | 4 | |a Engineering Design. |
| 650 | 2 | 4 | |a Mathematical and Computational Engineering Applications. |
| 710 | 2 | |a SpringerLink (Online service) | |
| 773 | 0 | |t Springer Nature eBook | |
| 776 | 0 | 8 | |i Printed edition: |z 9783031237652 |
| 776 | 0 | 8 | |i Printed edition: |z 9783031237676 |
| 776 | 0 | 8 | |i Printed edition: |z 9783031237683 |
| 830 | 0 | |a Mechanics and Adaptronics, |x 2731-622X | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/978-3-031-23766-9 |
| 912 | |a ZDB-2-ENG | ||
| 912 | |a ZDB-2-SXE | ||
| 950 | |a Engineering (SpringerNature-11647) | ||
| 950 | |a Engineering (R0) (SpringerNature-43712) | ||