Activity Test of Rare Earth Oxides at High Temperature
(1) First batch test The first batch of tests examined the interaction of rare earth oxides with refractories commonly used […]
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Scientific
Production Analysis of Casting Bed Parts
The net weight of machine tool body parts is 1762.75 kg, and the overall contour size of parts is 1985
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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
Scientific
Structure and material of casting bed
Machining centers are divided into horizontal and vertical machining centers according to the position relationship between the spindle and the
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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
Scientific
Corrosion resistance of high nickel ductile iron
The surface of high nickel ductile iron samples during corrosion process was observed. The results are similar to that of
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The advantage of using the blank of the gate valve body to process the block valve
1) The blank of gate valve body is used to process the block valve to avoid opening the block valve,
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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
Scientific
Corrosion resistance of high silicon molybdenum ductile iron
By observing the surface of the sample during the corrosion process, no obvious bubbles were found on the surface of
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Application of Nb element as grain refinement material in cast steel
Nb has strong affinity with oxygen, nitrogen and carbon in steel, and its function is similar to that of Ti.
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Reform and Innovation of Practice Teaching of Sand Casting
Foundry practice teaching is an important part of metalworking practice course.The key content of this research is how to optimize
Scientific
Kinetics Analysis of High Nickel Ductile Iron Oxidation at High Temperature
The unit area gain of high nickel ductile iron at 900 C for different working hours is recorded in Figure
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Application of Ti element as grain refinement material in cast steel
More than 50 years ago, J.F. Wallace and his research team studied the role of various materials as grain refiners
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Development of grain refinement process for cast steel
Foundry industry in various industrial countries has paid more attention to grain refinement of cast steel for more than 60
Scientific
Kinetics Analysis of High Temperature Oxidation of High Silicon Molybdenum Ductile Iron
The prepared sample is heated in a resistance furnace and weighed with an electronic balance.Figure 1 shows the measurement results
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Observation of Microstructure Change of High Silicon Molybdenum Ductile Iron at High Temperature
In order to understand the oxidation conditions at the cracks, elemental analyses are carried out on the areas of Fig.
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Mechanism of grain refinement in cast alloy
1. Homogeneous nucleation is not possible for actual production In order to realize homogeneous nucleation in homogeneous liquid phase, the
Scientific
Macro Observation Result of Thermal Fatigue Resistance Test of Ductile Iron
The sample size for thermal fatigue test is 15 mm x 10 mm x 10 mm.To eliminate the influence of
Scientific
Effect of Thermal Cycle Temperature Gradient on Thermal Fatigue Crack of Ductile Iron
The temperature range of the thermal cycle (T) is equal to the upper limit temperature of the thermal cycle (T)
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Grain refinement of cast alloy by adding refiner
There may be two different mechanisms to refine the grains of casting alloy by adding refiners, and their effects on
Scientific
Balance test of casting impeller
1. Selection and determination of detection method As a key part of the pump body, the impeller of desulfurization pump
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Development of grain refinement of cast steel in recent years
In recent years, for the consideration of sustainable development, in the application of steel castings, on the one hand, it
Scientific
Application Technology of Steering Knuckle for Automotive Parts
1. Application of Tool Composite Technology In the process of steering knuckle of automobile parts, tool compound technology has outstanding
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Development history of grain refinement of cast steel
In the early 1920s, both a.m. Meehan and Crosby of the United States began to discuss the inoculation treatment technology
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Optimization of casting process for automobile pad
1. Design of compensation system and air outlet Based on the analysis results, the top area of the casting finally
Scientific
Analysis of simulation results of casting process for automobile gasket
1. Filling Process Analysis The filling process simulation analysis of Figure 5 shows that the filling time of the casting
Scientific
Liquid metal filling process for casting bed parts
The flow of liquid metal in filling process has a great influence on the quality of casting. If the design
Scientific
Design of impeller blade in lost foam casting
The surface of the blade of the sulfur pump impeller and the surface of the blade are calculated to achieve
Scientific
Alloy requirements for automobile aluminum castings
Compared with iron and steel, aluminum alloy has many advantages, but it also has some disadvantages, such as its specific