Experimental investigation of the fatigue of closed-cell aluminum alloy foam
| Autor: | M.D. Zhao, Tong Wang, Xueling Fan, Qin-Zhi Fang |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Materials science
Mechanical Engineering Alloy chemistry.chemical_element Metal foam engineering.material Condensed Matter Physics chemistry Mechanics of Materials Aluminium Fracture (geology) Closed cell engineering lipids (amino acids peptides and proteins) General Materials Science Statistical analysis Cell structure Composite material |
| Zdroj: | Materials Letters. 160:68-71 |
| ISSN: | 0167-577X |
| DOI: | 10.1016/j.matlet.2015.07.040 |
| Popis: | Tension–tension fatigue tests are carried out to investigate the fatigue of closed-cell aluminum alloy foam. The stress–life (S–N) curve of the foam is obtained, in which large scatter is observed and discussed in detail. To understand the scatter of fatigue life of the foam, fracture surface is examined. The fatigue life decreases as the number and the size of large cells increase. The irregularity of inner cell structure of the foam attributes to the scatter of fatigue life. Then, a statistical stress–life model is developed, and a series of statistical probability–stress–life (P–S–N) curves are obtained. The P–S–N curve is efficient in describing the fatigue of foam materials. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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