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The microstructure of HS 6-5-2 steel in the areas overlapping remelting obtained by the use of GTAW method
Heat treatment Metallography GTAW method Directional crystallizatio
2011/3/15
The work presents microstructures of HS 6-5-2 high-speed steel from the areas overlapping remelting. The surface layer of the steel was remelted using the GTAW method. The microstructure photos were t...
Quality of the joint between cast steel and cast iron in bimetallic castings
Composites Skeleton casting Bimetal Cast steel Cast iron
2011/3/15
The paper presents conception and production method of skeleton composite castings with use of cast steel G35CrSiMnMoNi skeleton casting and chromium cast iron EN-GJN-XCr15 filling.
Microhardness changes of surface layer of HS 6-5-2 steel in the areas overlapping remelting obtained with the use of GTAW method
Heat treatment Metallography GTAW method Directional crystallization
2011/3/15
The work presents test results of microhardness of surface layer of HS 6-5-2 high-speed steel from areas overlapping remelting. The surface layer of the steel was remelted using the GTAW method. The m...
The remelting of the surface layer of C15 steel with an electric arc
Steel Remelting Martensite Surface layer GTAW method
2011/3/15
This study presents results of a research on enhancing properties of the surface layer of C15 steel by treating it with a concentrated heat stream utilizing the GTAW method.
Creep-resistant austenitic cast steel
Austenitic cast steel Phase composition Precipitation process
2011/3/15
The study reviews the reference literature and gives some results of own investigations concerning changes of phase composition that take place in creep-resistant austenitic cast steel of two generati...
The thermal fatigue behaviour of creep-resistant Ni-Cr cast steel
Heat treatment Cast steel Ni-Cr Thermal fatigue Microstresses Trays and fixtures
2011/3/11
The study gives a summary of the results of industrial and laboratory investigations regarding an assessment of the thermal fatigue behaviour of creep-resistant austenitic cast steel. The first part o...
Numerical prediction of the hardening stresses in at elements of steel C80U
Quenching Stresses/Strains Numerical modelling
2011/3/11
The paper presents numerical model of thermal phenomena, phase transformation and mechanical phenomena associated with hardening of carbon steel C80U. The stresses generated during hardening were assu...
Characterization of Solidification and Solid State Transformation in Duplex Cast Steel: Thermo-Calc Investigation
Metallography Duplex cast steel Solidification Phase Volume fraction
2011/3/11
The paper presents a characteristic of solidification process and changes occurring in the solid state in a duplex cast steel.
Properties of 15HN Steel after Various Thermo-Chemical Treatments
Thermo-Chemical treatment Friction Wear Regeneration
2011/3/11
The aim of conducted research was to find universal steel that may serve to regenerate machine elements by MULTIPLEX method – or cladding of alloy steel and then subjecting to thermo-chemical treatmen...
Microstructure of Remelted Zone of HS 6-5-2 High Speed Steel
Heat treatment – metallography Directional crystallization Volumetric crystallization
2011/3/11
The work presents microstructures of the remelted zone of HS 6-5-2 high-speed steel. Zones of this kind can be created as a result of treating the material with a CO2 laser beam. The laser processing ...
Optimization of Heat Treatment in Aspect of Production's Costs Reducing and Improving of Casting Quality from Duplex Cast Steel
Heat treatment Duplex cast steel Mechanical properties Ferrite - δ
2011/3/11
The paper determines possibilities of cost optimisation in the production of GX2CrNiMoCu25-6-3-3 type duplex cast steel castings through selection of appropriate solution heat treatment temperature, w...
The Remelting of C90U Steel with Using GTAW Maethod
Heat treatment – metallography Steel Surface layer partial remelting
2011/3/11
This work presents results of investigation the C90U steel surface remelting with a concentrated energy beam, using the GTAW method. The top surface layer of the C90U steel was partially remelted at t...
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...
EVALUATING THE EFFECTIVENESS OF HEAT-RESISTANT CAST STEEL FILTRATION FROM THE RESULTS OF STRUCTURE EXAMINATIONS
Innovative casting materials and technologies cast steel
2011/3/10
Filtration guarantees castings characterised by high quality and free from any non-metallic inclusions, which are formed at the stage of melting and pouring of liquid metal.This article discusses the ...
STRATEGIC PARTNERSHIP between INTERPIPE AND DANIELI; INTERPIPE to Build New Large-scale Electric Steel Mill- Investment in excess of $610m for state of the art facility in Dnepropetrovsk
electric steel
2007/3/1
KIEV, Ukraine, Feb 27, 2007 (BUSINESS WIRE) -- Leading steel company INTERPIPE, signed a major new contract yesterday with Italian company Danieli to build a state of the art electric steel making fac...