Fuzzy Logic Enhancement of Material Strain Hardening Data Obtained in the Heyer's Test

• Autorzy: Skrzat A. , Wójcik M. , Bąk Ł.

Identyfikatory

DOI

10.24425/amm.2019.129495

• Języki publikacji: EN

Abstrakty

EN

Fuzzy logic determination of the material hardening parameters based on the Heyer’s method was applied in this research. As the fuzzy input variables, the length of two measuring bases and the maximum force registered in the Heyer's test were used. Firstly, the numerical experiment (the simulation of the fuzzification of the input data) with the assumed disturbance of input variables was performed. Next, on the basis of experimental investigations (eleven samples made from the same material), the membership functions associated with the input data were created. After that, the fuzzy analysis was examined. Fuzzy material hardening constants obtained by means of the α-level optimization and the extension principle methods were compared. Discrete values of the hardening data are found in the defuzzification process, by application of the mass center method.

Słowa kluczowe

EN

fuzzy logic; plasticity; material hardening parameters; Heyer's method

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 3
• Strony: 1059--1065
• Opis fizyczny: Bibliogr. 17 poz., fot., rys., tab., wzory

Twórcy

autor

Skrzat A.

• Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics, Department of Materials Forming and Processing, 8 Powstańców Warszawy Ave., 35-959 Rzeszów, Poland

autor

Wójcik M.

• Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics, Department of Materials Forming and Processing, 8 Powstańców Warszawy Ave., 35-959 Rzeszów, Poland

autor

Bąk Ł.

• Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics, Department of Materials Forming and Processing, 8 Powstańców Warszawy Ave., 35-959 Rzeszów, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).