Modeling Approach for Determination of Backward Extrusion Strain Energy on AlCu5PbBi

Barišić, Branimir; Grizelj, Branko; Plancak, M.

doi:10.4028/0-87849-467-7.221

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“…Metod simpleks-planova omogućava dobijanje složenih modela istraživanih zavisnosti [7][8][9][10]. Ovo je naročito važno, jer su linearni ili kvadratni modeli retko kad adekvatni pri variranju temperature i vremena u širokim granicama, a primena faktornih planova u cilju dobijanja modela trećeg ili viših stepena zahteva suviše veliki broj eksperimenata [5,6,[13][14][15][16][17][18][19].…”

Section: Teorijske Postavkeunclassified

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Optimization of the aging regime of Al-based alloys

Ivanov

Ivanić

Gusković

et al. 2012

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Successful simulation of problems and phenomena related to the changes of the alloys composition is possible by applying simplex plans. The concentration (simplex) triangle application for the design of the optimal regime of Al-5wt%Cu-Pb-Bi alloy aging process is presented in this paper. The iso-lines of the given alloy’s mechanical properties in temperature-aging time coordinates were obtained by applying the mathematical models based of the given aging regimes, and the obtained results of changed properties. Regression polynomial of the fourth degree was used as the mathematical model, whereas the effect of the aging regime has been observed through the changes of tensile strength and contraction. Based on the obtained results, we have come to the conclusion that the simplex lattice method can be successfully applied to a great number of heat treatment aspects when with the increase of the temperature the duration time must be reduced, and vice versa (aging, annealing, homogenizing, etc.)

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Section: Teorijske Postavkeunclassified

“…a ispitivana veličina se tada može izraziti regresionim polinomom [5,6,[13][14][15][16][17][18][19]. Koristeći se ovim uslovom, regresioni polinom se može uprostiti smanjenjem broja koeficijenata regresije tako da će biti potreban manji broj rezultata za njihovo određivanje.…”

Section: Simplex Lattices and Experimental Scheffer's Planunclassified

Optimization of the aging regime of Al-based alloys

Ivanov

Ivanić

Gusković

et al. 2012

Hem Ind

View full text Add to dashboard Cite

show abstract

Modeling Approach for Determination of Backward Extrusion Strain Energy on AlCu5PbBi

Cited by 1 publication

References 0 publications

Optimization of the aging regime of Al-based alloys

Optimization of the aging regime of Al-based alloys

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