Effect of heat treatment on tensile and fracture toughness properties of 6082 alloy

• Autorzy: Mrówka-Nowotnik G. , Sieniawski J. , Nowotnik A.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The present study investigates the effect of heat treatment parameters (temperature and time) on the tensile properties and fracture toughness of 6082 aluminium alloy. Design/methodology/approach: Tensile strength - Rm, yield strength - Rp0.2 and elongation - A of the 6082 aluminium alloy were determined by uniaxial tensile test at room temperature. Furthermore, the aged alloy was tested in tension in order to evaluate its fracture toughness. Therefore, according to ASTM standard tests were performed on fatigue precracked compact tension (KIc) and sharp-notched specimens ( ) in both the longitudinal and transverse orientation with respect to the rolling direction. Findings: The results show that the microstructure, mechanical properties and fracture toughness changes during artificial aging due to the precipitation strengthening process. Practical implications: This paper is the part of previous authors’ investigations which results in modification of the heat treatment parameters that may lead to the most favorable mechanical properties and fracture toughness of 6082 alloy. Originality/value: Paper contains a broad spectrum of experimental data including uniaxial tensile test and fracture toughness investigation based on two various technique and as well as a new ideas concerning aging parameters and their effect on the mechanical properties and ductility of the 6082 alloy.

Słowa kluczowe

EN

metallic alloy; fracture mechanics; mechanical properties; heat treatment

PL

stop metalowy; mechanika pękania; właściwości mechaniczne; obróbka cieplna

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2009
• Tom: Vol. 32, nr 2
• Strony: 162--170
• Opis fizyczny: Bibliogr. 23 poz., rys., tabl.

Twórcy

autor

Mrówka-Nowotnik G.

autor

Sieniawski J.

autor

Nowotnik A.

• Department of Materials Science, Rzeszow University of Technology, ul. W. Pola 2, 35-959 Rzeszów, Poland,

Bibliografia

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