Finite element analysis of cast steel joints with crack defects
According to the flaw detection results, there are many casting defects in the cast steel joints, and many casting defects […]
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Prediction of shrinkage cavity and porosity defects in steel castings
The shrinkage rate prediction module is used to predict the distribution of shrinkage defects. When the simulation results show that
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Sand inclusion defect in sand casting
In sand casting production, it is often found that castings with sand inclusion, either inside or on the surface, are
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Sand casting process design of shell casting
Process design is very important to the quality of sand casting. Even if other conditions are met, if the process
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Finite element analysis of defect free cast steel joints
Due to the large stiffness of the main pipe of the cast steel joint, one end of the main pipe
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Optimization of sand casting process for mud pump body
1. Optimization of sand casting gating system for mud pump body According to the simulation results of sand casting process,
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Magnetic particle inspection of sand castings
After the sand casting is cleaned, the fluorescent wet magnetic particle flaw detection is carried out. The total number of
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Comparison of casting defect grade evaluation by different standards
The ultrasonic testing standard for carbon steel, low alloy steel and martensitic stainless steel castings (astm-609 / 609m), ultrasonic testing
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Influence of different casting systems on casting defect distribution of steel castings
According to the relative position of the internal sprue on the steel casting, the casting system can generally be divided
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Prediction of hot crack defects in steel castings
Hot crack defect refers to the casting defect when the solid rate of steel castings is close to 1.0 at
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Defect prediction and experimental verification of cast steel joints
The flow of liquid metal and the change of casting system will affect the defects of castings. However, due to
Resin Sand Casting
Chapter 1: The Basic Process Flow of Resin Sand Casting Resin sand casting is a popular method for creating metal parts
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Filling and solidification process of cast steel joints
The formation of cast steel joints has experienced two stages: mold filling and solidification. Macroscopically, it mainly involves three physical
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Model parameters of steel casting system
The three-dimensional steel casting model and sprue model established in AutoCAD are combined into a whole and saved as Import
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Modeling and parameter selection of steel casting system
The pouring and riser system includes two parts: steel casting system and riser system. The steel casting system is the
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Analysis of stress and strain in sand casting solidification process of mud pump body
Due to the different cooling rate of each part of the sand mold casting of the mud pump body during
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Quality status of sand castings after sand falling and shot blasting
The quality status of castings after sand dropping and shot blasting in the two sand mold casting process tests is
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Comparison of damage NDT results of typical four branch cast steel joints
In order to verify the nondestructive ultrasonic flaw detection test results of typical four branch cast steel joints, take four
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Material of steel castings for shell housing
The steel castings of shell housing are made of low alloy steel and low carbon steel. The content requirements of
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Casting forming theory of cast steel joints
The forming process of cast steel joint mainly includes the filling process and solidification process of cast steel joint. The
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Slice test of typical four branch cast steel joints
1. Test purpose (1) The random characteristics of typical casting defects distribution of cast steel joints are analyzed; (2) Verify
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Effect of C, Si, Mn, P and s in alloy on hot tears casting defects
The larger the hot brittle zone of the alloy, the greater the shrinkage of the casting in this temperature range,
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Simulation results and analysis of mud pump body pouring in sand casting
The simulation results of the filling process when the pump body of sand casting mud pump is poured by the
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Ultrasonic flaw detection process of cast steel joints
1.Detect defects The probe specified by the supplier and the buyer shall be used to scan the inspection area of
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Formation mechanism of hot tears casting defects
The formation mechanism of hot tears casting defects mainly includes liquid film theory and strength theory. According to the liquid
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Finite element mesh generation of mud pump body in sand casting
Mesh generation is the basis of numerical simulation. At present, there are two main methods of division, namely, finite difference
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Determination of casting defect size of cast steel joint
According to the constancy of sound velocity propagation in the same medium and the proportional relationship between propagation distance and
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Morphology analysis of hot tears casting defects
The appearance characteristics of hot tears casting defects are that the tears propagates along the grain boundary, the appearance is
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NDT test samples of multiple cast steel joints
The samples for nondestructive testing are 24 cast steel joints randomly selected from the cast steel joints of civil engineering
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Types and causes of casting defects of cast steel joints
Cast steel joints will inevitably produce some defects in the production process, such as hot crack, shrinkage cavity, delamination, slag