搜索结果: 1-14 共查到“冶金工程技术 influence”相关记录14条 . 查询时间(0.181 秒)
Influence of Al and Ti on microstructure and quality of compacted graphite iron castings
cast iron crystallization pinholes compacted graphite
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...
The influence of changes of combustion gas temperature during flow around the horizontal cylinder on local Nu number
Flow around horizontal cylinder local Nu number
2009/10/23
The article the influence of changes of combustion gas temperature during flow around of horizontal cylinder on local Nu number was presented. In order to test an influence of effect waste gas tempera...
Influence of the section size and holding time on the graphite parameters of ductile iron production
ductile iron section size microstructure
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 ...
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...
Influence of coolant motion on structure of hardened steel element
Heat Treatment Phase Transformations Natural Convection Finite Element Method
2011/3/17
Presented paper is focused on volumetric hardening process using liquid low melting point metal as a coolant. Effect of convective motion of the coolant on material structure after hardening is invest...
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...
The influence of selected elements upon mechanical properties of ductile iron EN-GJS-500-7
Mechanical properties Ductile iron Chemical composition Regression analysis
2011/3/15
On the basis of chemical composition and mechanical properties analyses of EN-GJS-500-7 spheroidal graphite cast iron (as per PN-EN 1563 standard), an attempt to determine the relations between the ch...
The influence of solid particles density on parameters of multijet insert
Foundry Settling tank Sedimentation
2011/3/15
Some dependences between solid particles density, chosen geometry and exploitation parameters of multijet inserts and development of laminar motion in continuous multijet sedimentation process, are pr...
Austenite steel transformations under the influence of fatigue loading
Mechanical properties Fatigue Non-proportional loading Martensite Hardness
2011/3/15
Behavior of materials and structures in fatigue non-proportional loading conditions, characterized by the principal axes rotation during fatigue cycles, is an important issue because of its impact on ...
Influence of SiC particles on the heat exchange at the metal-mould interface during composite flow along the mould channel
Composites Heat exchange Heat transfer coefficient Thermal analysis Aluminum alloys
2011/3/15
Calculation results concerning the heat transfer coefficient at the metal-mould interface during flow of the AlMg10 alloy matrix composites containing various fractions of solid SiC particles and, for...
Influence of aluminium on the formation of pinholes in cast irons
Defect of castings Pinholes Cast iron with compacted graphite
2011/3/15
Purpose: This study concerns the formation of pinholes in castings by reaction between cast iron with compacted graphite and green sand mould.
Influence of tempering temperature on mechanical properties of cast steels
Heat Treatment Mechanical Properties Cr – Mo – V cast steel
2011/3/17
The paper presents results of research on the influence of tempering temperature on structure and mechanical properties of bainite hardened cast steel: G21CrMoV4 – 6 (L21HMF) and G17CrMoV5 – 10 (L17HM...
Influence of the cast iron melting processes on environment using BAT
Cast iron Environmental protection Melting furnaces
2011/3/11
The object of the article is the problem of Best Available Techniques (BAT) utilized in processes of melting cast iron. It is possible, with help of these methods, to fulfill the accessible emission v...
INFLUENCE OF CARBON CONTENT ON THE SEGREGATION PROCESSES IN DUPLEX CAST STEEL
Casting Defect Segregation Sigma Phase Carbides Duplex Cast Steel
2011/3/10
The paper aimed at determination of increased carbon content influence on segregation processes in a duplex ferritic-austenitic cast steel. The analysis of raw cast steel structure was carried out usi...