Research of the Cause Cracking Hot-Rolled Block Made of AlMg5 Alloys

Michna, Štefan; Cais, Jaromír; Michnová, Lenka

doi:10.21062/ujep/x.2015/a/1213-2489/mt/15/4/614

Cited by 5 publications

(2 citation statements)

References 2 publications

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“…Quantitative evaluations plasticity for given material is to obtain the most value of elongation for examined material, where is direct relation between elongation and deep-drawing where is validity that the highest value of elongation represents better deep-drawing of material. The main goal of this research work had been to obtain as high as is possible elongation for sheets made of AlMg3 alloy, and ascertained technological parameters production for this aim [10][11][12][13][14].…”

Section: Fig 1 Erichsen Test With the Fracture Formation [2]mentioning

confidence: 99%

The Research of the Different Properties and Production Parameters having Influence on Deep-Drawing Sheets made of AlMg3 Alloy

Michna¹,

Hren²,

Cais³

et al. 2020

Manufacturing Technology

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This work was focused on the research of the different variability production deep-drawing sheets made of AlMg3 alloy which could influence on their deep-drawing properties e.g. non alloying elements Fe, Mn, heat treatment parameters and structure with aim to judge ascertained and analyzed properties of the sheets. The mechanical properties, mainly the highest elongation, and the other parameters (grain size, metallurgical purity), were measured due to they had had the main influence on the deep-drawing properties of the sheets made of AlMg3 alloy. For this research work had been obtained 5 deep-drawing sheets made of AlMg3 alloy with different production than chemical composition and heat treatment with the aim to realized "complex analyze", and to find up the best variant for production technology with the high deep-drawing properties.

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Section: Fig 1 Erichsen Test With the Fracture Formation [2]mentioning

confidence: 99%

The Research of the Different Properties and Production Parameters having Influence on Deep-Drawing Sheets made of AlMg3 Alloy

Michna¹,

Hren²,

Cais³

et al. 2020

Manufacturing Technology

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“…On the other hand, the local company found cracks when bending these rods (at state T8). The occurrence of the cracks can be caused by both surface hardening by the rod manufacturing and the heat treatment [5,4]. The samples delivered for the analysis were cold drawn manufactured [9].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Artificial Ageing on the Mechanical Properties of the EN AW 2017 Alloy

Jirounkova

Vozka

Cais

2020

Adv. Sci. Technol. Res. J.

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This paper deals with different types of artificial ageing and its effect upon the mechanical properties of an aluminium alloy. For the purposes of this research, the EN AW 2017 alloy was subjected to different types of heat treatment. These samples were subjected to different analyses. The results of hardness measurements (HB and HV) revealed the highest values of the non-heat treated sample. The static tensile stress test proved the highest ductility of the heat treated samples. Overall, the best were revealed for the sample artificially aged at 160°C.

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INFLUENCE OF THE HOMOGENIZATION TEMPERATURE ON THE MICROSTRUCTURE AND PROPERTIES OF AlSi10CuNiMgMn ALLOY

Cais¹,

Kraus²,

Lysoňková³

2017

Adv. Sci. Technol. Res. J.

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The article examines the impact of changes in homogenization temperature in the hardening process on the microstructure of aluminum alloys. The research samples were cast from AlSi10CuNiMn alloy produced by gravity casting technology in metal mold. Subsequently, the castings were subjected to a heat treatment. In an experiment with changing temperature and staying time in the process of homogenization. The microstructure of the alloy was investigated by methods of light and electron microscopy. Examination of the microstructure has focused on changing the morphology of separated particles of eutectic silicon and intermetallic phases. The analysis of intermetallic phases was supplemented by an analysis of the chemical composition -EDS analysis. Effect of heat treatment on the properties investigated alloy was further complemented by Vickers microhardness. Investigated alloy is the result of longtime research conducted at the Faculty of Production Technology and Management.

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Research of the Cause Cracking Hot-Rolled Block Made of AlMg5 Alloys

Cited by 5 publications

References 2 publications

The Research of the Different Properties and Production Parameters having Influence on Deep-Drawing Sheets made of AlMg3 Alloy

The Research of the Different Properties and Production Parameters having Influence on Deep-Drawing Sheets made of AlMg3 Alloy

The Effect of Artificial Ageing on the Mechanical Properties of the EN AW 2017 Alloy

INFLUENCE OF THE HOMOGENIZATION TEMPERATURE ON THE MICROSTRUCTURE AND PROPERTIES OF AlSi10CuNiMgMn ALLOY

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