搜索结果: 1-15 共查到“炼铁 Cast iron”相关记录25条 . 查询时间(0.068 秒)
An Assessment of the Derivative Thermal Analysis of Grey Cast Iron
DTA diagram Chemical composition Hardness Tensile strength
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
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
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...
The influence of cooling rate on the hardness of cast iron with nodular and vermicular graphite
Mechanical properties Hardness Cooling rate
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...
Application of evolutionary algorithm for cast iron latent heat identification
Application of information technology to the foundry industry Solidification process Numerical techniques
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
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
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
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
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
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...
Influence of copper on effects of precipitation hardening of ductile cast iron
Copper ductile cast iron Precipitation hardening
2011/3/15
Ductile cast iron with different copper content was precipitation hardened. Cast iron with 0.48 % Cu content was ferritized. That operation was ended with rapid quenching, and then aged. Cast iron wit...
Wear resistance of cast iron
Wear resistant alloys Nodular cast iron with carbides Abrasive and adhesive wear resistance
2011/3/15
In this paper investigations of abrasive and adhesive wear resistance of different cast iron grades have been presented. Examinations showed, that the most advantageous pair of materials is the cast i...
Mapping of mechanical properties of cast iron melts using non-destructive structuroscopy
Cast iron Non-destructive testing Mechanical properties
2011/3/15
The contribution is focused on mapping of mechanical properties using methods of non-destructive structuroscopy of cast irons, which are a result of research at TU of Liberec and Institute of Physics ...
Effect of the microstructure on tribological phenomena occurring on the surface of a mill roll made of SA5T cast iron (GJSL-HV600 - GJSL-330NiMoCr12-8-3)
Metallography Wear resistant alloys Mill rolls Mottled cast iron
2011/3/15
This paper deals with the role of the microstructure in the tribological wear processes occurring in a cast iron mill roll. For this purpose, a piece of a broken roll, made in Italy, was collected.
Structural causes of defects in a cast iron mill roll
Metallography Castings defects Mill rolls Transformed ledeburite
2011/3/15
This paper describes an analysis of a defective microstructure of a mill roll. For this purpose, a piece of a broken roll was collected. That roll was made of mottled cast iron. Its microstructure con...