搜索结果: 1-12 共查到“机械工程 CAST IRON”相关记录12条 . 查询时间(0.088 秒)
THE EFECT OF COOLING RATE ON THE PROPERTIES OF ALLOYED CAST-IRON SIZING ROLL
alloyed grey cast iron sizing roll indefinite chill
2009/10/23
Directional heat transfer was investigated by temperature measurements in the casting and in the mould using
thermocouples. Measurements were performed in operating conditions during pouring, solidif...
A study on Increasing the Wear and Impact Resistance of White Cast Iron Produced by Remelting X210Cr12 Tool Steel
Wear Wear rate per unit cost Hypo-eutectic white cast iron Abrasion resistant
2009/10/13
Wear is a serious problem in the components of machinery, particularly those used in the mixing and crushing of soil, cement, glass, bricks, etc. Excessive wear causes a consequential increase in the ...
Nodular cast iron and casting monitoring
Non-destructive testing Nodular cast iron TDA method Ultrasounds Graphite
2011/3/15
In this paper quality monitoring of nodular cast iron and casting made of it is presented. A control system of initial liquid cast iron to spheroidization, after spheroidization and inoculation with u...
Testing of heating and cooling process of ADI cast iron with use of ATND method
Austempered ductile iron Heat treatment ATD ATND
2011/3/15
ADI (Austempered Ductile Iron) cast iron, owing to its unique combination of high tensile strength and abrasion resistance with very good plasticity, founds implementation in many branches of industry...
Analysis of quality and cost of FeSiMg treatment master alloy vs cored wire in production of ductile cast iron
Ductile cast iron Vermicular cast iron PE Method
2011/3/15
The results of studies on the use of FeSi5%Mg magnesium alloy in modern cored wire injection method for production of nodular and vermicular graphite cast irons were described. The injection of Mg cor...
Gradient method of cast iron latent heat identification
Application of information technology to the foundry industry Solidification process
2011/3/11
In the paper the cast iron latent heat in the form of three components corresponding to solidification of austenite and eutectic phases is identified. The basic information concerning the form of adeq...
Impact strength of as-cast and heat-treated nodular cast iron
Mechanical properties Nodular cast iron Impact strength Heat treatment Metallography
2011/3/15
The paper deals with comparing the impact strength of as-cast nodular cast iron with ferritic-pearlitic matrix (pearlite fraction up to 20%) and of the same material subjected to graphitising (one- or...
Mechanism of silicon influence on the chill of cast iron
Cast iron Structure Chilling tendency Chill
2011/3/11
In this work an analytical solution of general validity is used to explain mechanism of the silicon influence on the absolute chill tendency (CT) and chill (w) of cast iron. It is found that CT can be...
The Influence of Saturation of Cast Iron Austenite with Carbon on the Ausferrite Transformation
austenitizing austempered austenite hardness impact strength
2011/3/11
Austenitizing during quench hardening of the ductile cast iron influences the content of carbon in austenite depending on the soaking heat. On the other hand, the saturation of austenite impacts its t...
Carbides in Nodular Cast Iron with Cr and Mo
Innovative material and casting technologies Carbidic nodular cast iron
2011/3/11
In these paper results of elements microsegregation in carbidic nodular cast iron have been presented. A cooling rate in the centre of the cross-section and on the surface of casting and change of mou...
Properties shaping and repair of selected types of cast iron
heat treatment casting defects TIG cast iron chromium
2011/3/11
The paper presents research results of twofold use of TIG - Tungsten Inert Gas also known as GTA - Gas Tungsten Arc. First is surfacing by welding on cold and hot-cold to repair chromium cast iron wit...
Potential for evaluation of mechanical properties of cast iron by ultrasonic method
cast iron ultrasonic method microstructure mechanical properties
2011/3/11
The paper presents several concepts of physical substantiation for the rationale of building the relationships between mechanical properties and the ultrasonic inspection indicators. Special stress is...