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An Assessment of the Derivative Thermal Analysis of Grey Cast Iron
DTA diagram Chemical composition Hardness Tensile strength
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2011/3/11
The study presents a method used for assessment of the consistency of results obtained by measurements and calculated by computer from a graph of Derivative Thermal Analysis (DTA) to determine the che...
The low-aluminium cast iron of reduced silicon content treated with cerium mischmetal
Metallography Low-aluminium cast iron Spheroidization
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2011/3/15
The work presents the effect of cerium mischmetal used in quantities of 0.1 and 0.2 wt-% and ferrosilicon used in quantities from 0.5% to 1.5% on the alloy matrix and the shape of graphite precipitate...
Carburization process rate in production of synthetic cast iron
Casting Powder injection Carburizing
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2009/12/3
Purpose: The main goal of the paper was to determine the possibility of synthetic cast iron production on base of steel and process scraps as well as the carburization effectiveness, realized with thr...
Influence of Al and Ti on microstructure and quality of compacted graphite iron castings
cast iron crystallization pinholes compacted graphite
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2009/10/23
The contribution is aimed at study of influence of chemical composition of compacted graphite cast iron (CGI) on microstructure and surface quality of castings, particularly on the occurrence of pinho...
Dependence of quality properties for grey iron on used raw materials
grey iron raw materials mechanical properties
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2009/10/23
Grey iron castings keep the first place among castings on base of iron. Present trend in growing entrance production costs of cast stock force manufacturer to cost minimizing. Therefore is most actual...
Influence of the section size and holding time on the graphite parameters of ductile iron production
ductile iron section size microstructure
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2009/10/23
This work was conducted to establish the conditions required to produce a desirable structure of the castings of various section sizes. This investigation was focused on the study of the influence of ...
Production of Iron Powder from Iron (II) Sulphate
Goethite dehydration reduction iron powder
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2009/10/13
The production of iron powder from concentrated iron solutions obtained during surface finishing (pickling)carried out to produce zinc or tin coated thin sheets, was investigated. Goethite precipitati...
The influence of cooling rate on the hardness of cast iron with nodular and vermicular graphite
Mechanical properties Hardness Cooling rate
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2011/3/17
The paper presents hardness changes for cast iron with nodular and vermicular graphite, determined within the separately cast test blocks. Investigation has comprised cast irons with similar ferrite a...
Analysis of fracture mechanism in austenitic ductile iron with 30%Ni after impact test
Austenitic nodular graphite cast iron Impact energy Tensile strength,
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2011/3/17
The study presents the results of impact tests carried out on austenitic ductile iron with 30% Ni. The examined material was subjected to dynamic loads within a wide range of temperatures from (–196°C...
Application of evolutionary algorithm for cast iron latent heat identification
Application of information technology to the foundry industry Solidification process Numerical techniques
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2011/3/17
In the paper the cast iron latent heat in the form of two components corresponding to the solidification of austenite and eutectic phases is assumed. The aim of investigations is to estimate the value...
Crystallization of nodular cast iron with carbides
Theory of crystallization TDA method Nodular cast iron with carbides
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2011/3/17
In this paper a crystallization process of nodular cast iron with carbides having a different chemical composition have been presented. It have been found, that an increase of molybdenum above 0,30% c...
The sort of carburization and the quality of obtained cast iron
Theoretical bases of foundry processes Cast iron Carburization Carburizers
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2011/3/17
In the production of cast iron, the pig iron’s amount in charge material is more and more often limited, and replaced by steel scrap. That extorts the necessity of know-how the carburization and one i...
Application of experimental data for numerical simulation of cast iron solidification
Application of Information Technology to the Foundry Industry Solidification Process
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2011/3/17
Numerical analysis of cast iron solidification process is presented. The system casting – shell mould is discussed. The parameter controlling the solidification process called a substitute thermal cap...
The studies of nodular graphite cast iron early stages austempering
ADI Heat treatment Structure Properties
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2011/3/17
The results of early stage of ductile cast iron austempering are presented. The aim of the investigations was to look closer into the structure – mechanical properties relationships of this very attra...
Effective inoculation of low-sulphur cast iron
Inoculation Cast iron Dendrites Structure Mechanical properties
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2011/3/17
The study proves that by introducing the disintegrated steel scrap to low-sulphur cast iron still before the inoculation carried out with a conventional graphitising inoculant, the mechanical properti...