Article ; Online: On the utility of hierarchical self-healing fiber bundle materials under different environments.
Biomechanics and modeling in mechanobiology
2022 Volume 21, Issue 3, Page(s) 1021–1028
Abstract: Bio-materials use a hierarchical structure to optimize their self-healing mechanical behavior. However, the utility may be restricted by different environments. In this paper, based on the previous work in Ji and Li (J Mater Sci 53:14858-14870, 2018) on ... ...
| Abstract | Bio-materials use a hierarchical structure to optimize their self-healing mechanical behavior. However, the utility may be restricted by different environments. In this paper, based on the previous work in Ji and Li (J Mater Sci 53:14858-14870, 2018) on the constitutive relation of hierarchical self-healing fiber bundle materials (FBMs), the stability is investigated for the mechanical-environmental interaction system established in Ji and Li (Int J Fract 212:105-112, 2018). With the principle of total potential, the stability criterion is proposed. The critical environment stiffness is derived and the system is therefore classified into the absolutely stable one and the conditionally stable one. For the conditionally stable system, the applied strain of FBMs reduces to be [0,[Formula: see text]], where [Formula: see text] is the cutoff strain. Finally, the toughness of hierarchical self-healing FBMs is studied for different interaction systems. The results show that in the absolutely stable system there exists a critical healing rate across which the toughness benefits from a hierarchical structure. In the conditionally stable system, the toughness is significantly affected by the environment stiffness, i.e., the toughness of a FBM increases with a rising hierarchical level, whereas it decreases with a rising healing rate. Moreover, the critical healing rate for toughness becomes greater compared to that in an absolutely stable system. |
|---|---|
| Language | English |
| Publishing date | 2022-04-07 |
| Publishing country | Germany |
| Document type | Journal Article |
| ZDB-ID | 2093052-5 |
| ISSN | 1617-7940 ; 1617-7959 |
| ISSN (online) | 1617-7940 |
| ISSN | 1617-7959 |
| DOI | 10.1007/s10237-022-01576-3 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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