Low-Cycle Fatigue Characteristics of Selected Titanium, Magnesium and Aluminium Alloys

• Autorzy: Junak G.

Identyfikatory

DOI

10.24425/amm.2018.125129

• Języki publikacji: EN

Abstrakty

EN

In the paper, on the basis of the performed tests, low-cycle fatigue characteristics (LCF) of selected light metal alloys used among others in the automotive and aviation industries were developed. The material for the research consisted of hot-worked rods made of magnesium alloy EN-MAMgAl3Zn1, two-phase titanium alloy Ti6Al4V and aluminium alloy AlCu4MgSi(A). Alloys used in components of means of transport should have satisfactory fatigue, including low-cycle fatigue, characteristics. Low-cycle fatigue tests were performed on an MTS-810 machine at room temperature. Low-cycle fatigue tests were performed for three total strain ranges Δε_t = 0.8%, 1.0% and 1.2% with a cycle asymmetry coefficient R = –1. On the basis of the obtained results, characteristics of the fatigue life of materials, cyclic deformation σ_a = f(N) and cyclic deformation of the tested alloys were developed. The tests showed that titanium alloy Ti6Al4V was characterised by the highest fatigue life N_f , whereas the lowest fatigue life was found in the tests of the aluminium alloy AlCu4MgSi(A).

Słowa kluczowe

EN

fatigue life; low-cycle fatigue; light metal alloys

• 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: 2018
• Tom: Vol. 63, iss. 4
• Strony: 1949--1955
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Junak G.

• Silesian University of Technology, Institute of Materials Engineering, 8 Krasińskiego Str., 40-019 Katowice, Poland

Bibliografia

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Uwagi

EN

This work was supported by Polish Ministry for Science and Higher Education under internal grant BK-221/RM0/2018 for Silesian University of Technology, Poland.