Analysis of tensile properties of lost foam steel casting
The properties of tensile samples were tested by a universal testing machine controlled by microcomputer, and the tensile strength and […]
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steel casting
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Analysis of volume carburization of steel castings in lost foam casting Process
Six groups of samples were taken when analyzing surface carburization, and the location of the test point was changed to
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Analysis of surface carburization of steel castings in lost foam casting Process
In this test, 6 test pieces were poured in the same ladle of molten steel. The chemical composition of molten
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Determination of sampling position of carburizing defects in steel castings in lost foam casting Process
In order to study the carburization defects of steel casting for bridge support, four sampling locations are selected, namely, near
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Study on the effect of carburizing defect on the quality of steel castings
Firstly, the mechanism and manifestation of carburization defects in steel castings are described, and then the experimental methods and main
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Mechanism of carburizing defect in lost foam steel casting
The filling process of lost foam casting is the replacement process of metal liquid and foam pattern. Because the pouring
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Analysis of impact toughness of steel castings in lost foam casting Process
In order to study the impact resistance of steel castings at different temperatures, three temperature detection conditions, namely normal temperature,
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Manifestation of carburization defects in lost foam steel castings
The carburizing defects of steel castings can be divided into surface carburization, volume carburization and local carburization. Surface carburizing: during
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Effect of carburizing defect on quality of steel casting
Lost Foam Casting (LFC) has been recognized by the foundry industry for its unique technological advantages. Many developed countries have
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Research status of carburizing defects in lost foam casting cast steel
After entering the 21st century, a large number of domestic researchers still solved the problem of carbon enhancement. According to
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Study on carburization of lost foam casting steel
Mechanism of carburization defects The mechanism of carburizing defect is the diffusion of carbon into soft moving molten steel and
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Design and selection of lost foam casting coating for bridge bearing steel casting
Coating is an important part of lost foam casting process and one of the key factors affecting the filling of
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Dry sand material and performance index of lost foam casting steel for bridge support
The advantages of EPC are dry sand molding, no binder is needed, the recovery rate of dry sand is high,
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Foam materials and thermophysical parameters of steel castings for bridge supports
A large amount of carbon in foam materials is the “arch criminal” of the carbon defect produced by EPC cast
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Material and thermal properties of steel casting for bridge bearing
In addition to bearing the load from the bridge, the bridge bearing is still in the changing environment, such as
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Design of riser for bridge bearing steel casting
Taking the steel damping bearing as the research object, because of the complex structure of the product, the calculation of
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Calculation of riser of bridge bearing steel casting
According to the function, the riser of lost foam casting process can be divided into feeding riser, exhaust slag collecting
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Numerical simulation and process optimization of steel damping casting bearing
By adopting ProCAST The simulation analysis of the horizontal pouring and vertical pouring scheme of the steel damping bearing is
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Design of runner form and section proportion of bridge bearing steel casting
At present, the design of each element size in EPC casting has not yet formed the standard of casting one.
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Selection of casting method for bridge bearing steel casting
According to the position of molten metal introduced into the mold, the pouring methods can be divided into top pouring,
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Selection of casting position of bridge bearing steel casting
The pouring position of a casting refers to the current state (posture) and position of the casting in the mold,
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Numerical simulation and process optimization of steel damping casting bearing
In the casting process design and process optimization of transfer casting, the “trial and error method” is usually used to
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Design of pouring system for bridge bearing steel casting
Due to the great difference between lost foam casting and traditional sand casting, the process design of lost foam casting
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Drawing of 3D engineering drawing of lost foam casting steel for bridge bearing
Creo software is used to draw 3D engineering drawings and assemble components. Creo software is a CAD software design package
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Production of bridge bearing steel castings
Relying on ZHY casting, the company is a medium-sized private enterprise producing bridge bearing steel castings. The transfer casting process
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Fine grain and improve metallurgical quality of cast steel
Grain refinement is an important measure to improve the metallurgical quality of cast steel, and it has been a research
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Lattice mismatch of rare earth elements for carbon steel and low alloy steel
From the point of view of lattice mismatch, both CeO2 and CeS can be used as heterostructure nuclei of delta-ferrite
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Rare earth elements in cast steel for Austenitic Steel
In the early stage, in the aspect of grain refinement of steels by adding rare earth elements, the research mainly
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Structure type of cast steel gate valve and block valve
As the isolation device of the overall hydraulic test of the boiler unit in the power plant, the hydraulic test
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Application of Rare Earth Element as Grain Refining Material in Cast Steel
Rare earth elements used in foundry industry are mainly light rare earth elements such as cerium and lanthanum, which have