Ultrafine Spheroidal Graphite Iron Castings

INFLUENCE OF Al AND Ti ON MICROSTRUCTURE AND QUALITY OF COMPACTED GRAPHITE IRON CASTINGS

Compacted graphite cast iron is a material that again comes forward of the interest of designers and foundries acquiring or improving manufacture of castings from that material. From many publications let us quote three of them from last year 1, 2, 3 . According to the European standard ISO 16 112 this material is called „compacted (vermicular) graphite cast iron“ (the abbreviation CGI that wil...

On the Effect of Pouring Temperature on Spheroidal Graphite Cast Iron Solidification

This work is focused on the effect of pouring temperature on the thermal-microstructural response of an eutectic spheroidal graphite cast iron (SGCI). To this end, experiments as well as numerical simulations were carried out. Solidification tests in a wedge-like part were cast at two different pouring temperatures. Five specific locations exhibiting distinct cooling rates along the sample were...

Thermal Plasma Synthesis of Ultrafine Iron Particles

Abstraet--Ultrafine iron powder was synthesized in an atmospheric-pressure radio-frequency plasma reactor by injecting relatively course iron powder into the plasma, where it evaporated. The renucleated iron particles were characterized by means of a sampling capillary and dilution system interfaced to an electrical aerosol analyzer, a condensation nucleus counter and an electrostatic aerosol s...

Undercooling and nodule count in thin walled ductile iron castings

Effect of Melting Techniques on Ductile Iron Castings Properties

Ductile iron is one of the most important engineering materials, in view of its excellent castability, signifi cantly better mechanical properties and low cost [1, 2]. It represents the fastest growing segment of the iron market. In the medium term, it is to be expected that the market share of nodular iron will level off at 40 % to 45 % [3]. Achieving the full potential of ductile iron require...