Structure and mechanical properties as well as application of high quality vermicular cast iron
Journal Title: Archiwum Odlewnictwa - Year 2010, Vol 10, Issue 3
Abstract
The results of studies on the use of magnesium alloy in modern cored wire injection method and Tundish for production of vermicular graphite cast irons were described. The injection of Mg cored wire length is a treatment method which can be used to process iron melted in an electric induction furnace. This paper describes the results of using a high-magnesium ferrosilicon alloy in cored wire (Mg recovery 55%) for the production of high quality vermicular graphite cast irons at foundry. The results of calculations and experiments have indicated the length of the cored wire to be injected basing on the initial sulfur content and weight of the treated melt. The paper presents a microstructure matrix and vermicular graphite in standard sample and castings with different wall thickness. The results of numerous trials have shown that the magnesium cored wire process can produce high quality vermicular graphite with ferritic-pearlite and pearlitic-ferrite matrix irons under the specific industrial conditions.
Authors and Affiliations
E. Guzik
Keywords
Related Articles
- EP ID EP72144
- DOI -
- Views 121
- Downloads 0
Investment casting or powder metallurgy – the ecological aspect
The paper presents an analysis of manufacturing methods of material-saving products in relation to investment castings and sintered powder technology. Surface microgeometry, shape accuracy, performance parameters, manufa...
Sigma phase in the cast alloy based on the FeB3BAl intermetallic phase
The paper presents study results for cast alloy based on the FeB3BAl intermetallic phase. The study material was Fe-28Al-5Cr-1Mo-0,1Zr- 0,005B% at. alloy in the cast state. The microscopic research, phase analysis with X...
Selected characteristic of silumins with additives of Ni, Cu, Cr, Mo, W and V
The study, presents an investigation results of new grades of silumins containing of: 7,0÷17,0% Si, 4,0% Ni, 4,0% Cu and 0,5% Cr, Mo, W each as well as V. The influence tests were carried out of - antimony addition, stro...
Crystallisation and microstructure of low-silicon silumins with alloy additions
The paper presents the results of the analysis of crystallisation and microstructure of non-alloy silumins that contain: 2,0÷6,0% of Si and alloy additions, approximately: 4,0% Ni, 4,0% of Cu and 0,5% of Mg, the knowledg...
Interactions at the mould – modifying coating – molten nickel alloy interface
The study describes thermal-chemical interactions that take place in the molten nickel alloy-ceramic mould system, where the mould is either coated with a modifying coating („blue” mould) or is not („white” mould). The c...