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ANALYSES OF CALCIUM INFLUENCE ON THE AlSi9CuMnNi ALLOY
 
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1
Jan Evangelista Purkyně University in Ústí nad Labem, Faculty of Production Technology and Management, Pasteurova 1, 400 96, Ústí nad Labem, Czech Republic
 
2
University of Žilina, Faculty of Mechanical Engineering, Univerzitna 1, 010 26, Žilina, Slovakia
 
3
Lublin University of Technology, ul. Nadbystrzycka 36, Lublin, Poland
 
 
Publication date: 2018-09-01
 
 
Corresponding author
Nataša Náprstková   

Jan Evangelista Purkyně University in Ústí nad Labem, Faculty of Production Technology and Management, Pasteurova 1, 400 96, Ústí nad Labem, Czech Republic
 
 
Adv. Sci. Technol. Res. J. 2018; 12(3):32-38
 
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ABSTRACT
Treatment of metal alloys is one of the ways to affect the properties of the material. The article describes an experiment realized at FPTM UJEP when was experimentally studied the influence of alloys AlSi9CuMnNi calcium modification on some of its properties. The alloy was modified with various amounts of calcium and subsequently machining. Also hardness was measured in the resulting alloys. Machining was performed under certain cutting conditions. After machining the obtained chip was evaluated. Chip was evaluated for its shape, length and amount of chips per 100 g. Devices in FPTM laboratories were used to prepare experimental casts and to evaluate hardness and chips, like the melting furnace LAC K70/13, hardness tester Ernst AT 250X or microscope Olympus SZX 10. Experimental quantities of calcium was 0.05, 0.1 and 0.15 wt. %. Presented experiments are part of the extensive research undertaken at Faculty of Production Technologies and Management at Jan Evangelista Purkyně University in Ústí nad Labem.
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