Geometric model of cast hydraulic valve body
As a high load precision mechanical part, the hydraulic valve body has the requirements of high pressure resistance, fatigue resistance […]
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Analysis on Solidification Defects of Casting Bed
Defect analysis is mainly based on shrinkage, shrinkage, depression or collapse. ProCast software is used to analyze shrinkage, shrinkage, depression
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Solid fraction analysis during liquid metal solidification of casting bed parts
Because hot joints will occur in large and thick parts during the cooling process of castings, and casting defects such
Scientific
Thermo mechanical fatigue fracture analysis of cast ti-48al-2cr-2nb alloy
The fracture morphology of the cast ti-48al-2cr-2nb alloy with total strain range δ ε (T) = ± 0.7% and service
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Analysis of Temperature Field during Liquid Metal Solidification of Cast Bed Parts
After filling, in order to analyze casting problems such as subsequent solidification defects, the solidification temperature field is further analyzed.
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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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Model meshing and initial parameter setting for casting bed part production
Introduce the model into ProCast software and divide it into grid. After dividing the grid, check the quality of the
Scientific
Cast Ti-48Al-2Cr-2Nb Alloy Samples and Test Methods
Cylindrical billets are cut lengthwise on a 100 mm diameter billet and processed into equal-section samples with a working section
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High temperature life of aero-engine castings due to thermomechanical fatigue
Thermomechanical fatigue is indispensable for evaluating the high temperature life of aero-engine components and is one of the key performance
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Thermomechanical fatigue of cast Ti Al alloy
Ti Al alloy has the advantages of high specific strength, specific rigidity, good high temperature oxidation resistance and creep resistance,
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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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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
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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
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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
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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
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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)