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Changes in Mechanical Properties of Armoured UHSLA Steel ARMOX 500 After Over Tempering

100%

Barényi I. , Híreš O. , Lipták P.

Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa

2013

tom Vol. 4, Nr 4 (14)

7-13

ARMOX steel is an armoured steel with excellent mechanical properties as well as dense hardness, tensile strength and a high level of toughness. These properties result from specific production processes finished with rolling quenching and tempering. The producer of ARMOX steel recommends their secondary processing (cutting, welding, shaping) at temperatures lower than 200°C due to over tempering and the degradation of mechanical properties in heat affected areas. This paper describes the mechanisms and reasons for this degradation including the simulation of the cooling processes concerning ARMOX 500 steel.

Investigate the Possibility of Tekcast Methods Used for Casting Polymeric Resin Materials

100%

Mäsiar H. , Repka L. , Lipták P. , Híreš O.

Archives of Foundry Engineering

2014

tom Vol. 14, iss. 2

116--122

Contribution gives an overview of knowledge about the method of centrifugal casting with orientate on Tekcast system. Company Tekcast Industries has developed a device for centrifugal casting, extending the area of production of castings or prototyping of metal or plastic. Materials suitable for the centrifugal casting with flexible operating parameters may include non-ferrous metal alloy based on zinc or aluminum or non-metallic materials such as polyester resins, polyurethane resins, epoxy resins, waxes and the like. The casting process is particularly suitable for a wide range of commercial castings and decorative objects.