##
**Analytical investigations and fuzzy logic-based modeling of the impact resistance of aluminum-epoxy laminated composites.**
*(English)*
Zbl 1239.74101

Summary: The Charpy impact resistance of aluminum-epoxy laminated composites in both crack divider and crack arrester configurations has been investigated. In both configurations, an analytical investigation has been carried out to evaluate the effects of layers thickness on impact resistance of the specimens. A model based on fuzzy logic for predicting impact resistance of the specimens has been presented. For purpose of building the model, training and testing using experimental results from 126 specimens produced from two basic composites were conducted. The data used for the input data in fuzzy logic models are arranged in a format of 7 input parameters that cover the thickness of layers, the number of layers, the adhesive type, the crack tip configuration, the content of SiC particles, the content of methacrylated butadiene-styrene particles and the number of test trial. According to these input parameters, in the fuzzy logic model, the impact resistance of each specimen was predicted. The training and testing results in the fuzzy logic model have shown a strong potential for predicting impact resistance of aluminum-epoxy laminated composites.

### MSC:

74S30 | Other numerical methods in solid mechanics (MSC2010) |

74E30 | Composite and mixture properties |

74M20 | Impact in solid mechanics |

93C42 | Fuzzy control/observation systems |

### Keywords:

aluminum-epoxy laminated composite; Charpy impact resistance; analytical investigation; fuzzy logic; crack divider; crack arrester### Software:

Uncertainty Machine
PDF
BibTeX
XML
Cite

\textit{A. Nazari} and \textit{N. Didehvar}, Sci. China, Technol. Sci. 54, No. 10, 2785--2794 (2011; Zbl 1239.74101)

Full Text:
DOI

### References:

[1] | Vaziri R, Quan X, Olson M D. Impact analysis of laminated composite plates and shells by super finite elements. Int J Impact Eng, 1996, 18: 765–782 |

[2] | Liu D, Raju B B, Dang X. Impact perforation resistance of laminated and assembled composite plates. Int J Impact Eng, 2000, 24: 764–773 |

[3] | Howard S J, Pateras S K, Clyne T W. Effect of interfacial adhesion on toughness of metal/ceramic laminates. Mater Sci Technol, 1998, 14: 535–541 |

[4] | Xiao L, Abbaschian R. Role of matrix/reinforcement interfaces in the fracture toughness of brittle materials toughened by ductile reinforcements. Metal Trans A, 1992, 23A: 2863–2872 |

[5] | Lu T C, Evans A G, Hecht R J, et al. Toughening of MoSi2 with a ductile (niobium) reinforcement. Acta Metall Mater, 1991, 39: 1853–1862 |

[6] | Ellis LY, Lewandowski J J. Effects of layer thickness on impact toughness of Al/Al-SiCp laminates. Mater Sci Eng A, 1994, 183: 59–67 |

[7] | McLelland A R A, Atkinson H V, Anderson P R G. Thixoforming of a novel layered metal matrix composite. Mater Sci Technol, 1999, 15: 939–945 |

[8] | Tekyeh-Marouf B, Bagheri R, Mahmudi R. Effects of number of layers and adhesive ductility on impact behavior of laminates. Mater Lett, 2004, 58: 2721–2724 |

[9] | Kaufman J G. Fracture toughness of 7075-T6 and -T651 sheet, plate and multilayered adhesive-bonded panels. J Basic Eng Trans ASME, 1967, 89: 503–507 |

[10] | Goolsby R D. Fracture of crack divider Al/Al laminates. In: International Conference on Composite Materials, TMS, Warrendale, PA, 1978. 941–960 |

[11] | Manoharan M, Ellis L, Lewandowski J J. Laminated composites with improved toughness. Scr Metall Mater, 1990, 24: 1515–1519 |

[12] | Laliberte J F, Poon C, Straznicky P V, et al. Applications of fibermetal laminates. Polym Comp, 2000, 21: 558–567 |

[13] | Akkurt S, Tayfur G, Can S. Fuzzy logic model for prediction of cement compressive strength. Cement Concr Res, 2004, 34(8): 1429–1433 |

[14] | Baykasoglu A, Dereli T, Tanis S. Prediction of cement strength using soft computing techniques. Cement Concr Res, 2004, 34(11): 2083–2090 |

[15] | ASTM E23, Standard test methods noteched bar impact testing of metallic materials. FLual Book of ASTM Standards, ASTM, Philadelphia, PA, 2001 |

[16] | NIST Recommended Practice Guide: Computing Uncertainty for Charpy Impact Machine Test Results, National Institute of Standards and Technology, Boulder, Colorado 80305, 2008 |

[17] | He M Y, Heredia F E, Wissuchek D J, et al. The mechanics of crack growth in layered materials. Acta Metall Mater, 1993, 41: 1223–1238 |

[18] | Cao H C, Evans A G. On crack extension in ductile/brittle laminates. Acta Metall Mater, 1991, 39: 2997–3005 |

[19] | Osman T M, Lewandowski J J. Influence of thickness in the fracture resistance of conventional and laminated materials. Scr Metall Mater, 1994, 31: 191–195 |

[20] | Pandey A B, Majumdar B S, Miracle D B. Laminated particulate-reinforced aluminum composites with improved toughness. Acta Mater, 2001, 49: 405–417 |

[21] | Anderson T L. Fracture Mechanics: Fundamentals and Applications. Boston: CRC press, 1991 · Zbl 0999.74001 |

[22] | Zadeh L A. Fuzzy set. Inform Control, 1965, 8: 338–353 · Zbl 0139.24606 |

[23] | Mamdani E H. Application of fuzzy algorithms for control of simple dynamic plants. Proc IEEE, 1976, 121(12): 1585–1588 |

[24] | Topcu I B, Sarıdemir M. Prediction of compressive strength of concrete containing fly ash using artificial neural network and fuzzy logic. Comp Mater Sci, 2008, 41(3): 305–311 |

This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.