Three dimensional model design method for riser of steel castings
1. Local modulus extraction of 3D model In the production process, the riser design of steel castings conforms to the […]
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Preparation and test methods of gray cast iron specimen materials
Gray cast iron with different carbon equivalent Ce (3.2%, 3.4%, 3.6%, 3.8%, calculated by ce=si/3+ct, Si is taken as the
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Production example of large steel casting molding process
1. Production examples of Shanghai Heavy Machinery Factory Co., Ltd Located in Minhang District of Shanghai, Shanghai Heavy Machinery Works
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Casting technology of nodular cast iron automobile brake caliper
1. Layout design Disa230b vertical parting boxless injection molding machine is adopted, and the size of molding machine plate is
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Characteristics of nodular iron shell castings and original lost foam casting process
As shown in Figures 1 and 2, the lost foam casting is a shell part with a maximum size of
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Effect of rare earth on as cast microstructure of cast steel
Many researchers have found that rare earths have the effect of refining grains. The reason is that on the one
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Friction and wear properties of gray cast iron surface after graphitization annealing
Friction and wear tests were carried out on three gray cast iron samples annealed at 700 ℃, 800 ℃ and
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Purification effect of rare earth on molten steel of cast steel
(1) Deep deoxidation and desulfurization: rare earth is easy to react with oxygen and sulfur elements in the molten steel
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Graphite transformation in laser modified layer of gray cast iron
After cementite decomposition, carbon atoms diffuse from cementite austenite interface to graphite austenite interface. During annealing, carbon atoms in austenite
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Residual stress analysis of vermicular cast iron pressure plate casting
Figure 1 shows the equivalent stress nephogram of vermicular cast iron pressure plate. It can be seen that the equivalent
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Test of QT500-14 and QT600-10 High Silicon Ductile Iron
1.Test result The large number of tests have been carried out according to the above process plan, and the overall
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Changes of matrix structure of laser modified surface graphitization annealing of gray cast iron
Three kinds of gray cast iron samples annealed after heating to 700 ℃, 800 ℃ and 900 ℃ were tested
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Graphite morphology of vermicular graphite cast iron in lost foam casting
The effects of vibration frequency and molten iron treatment temperature on graphite morphology and primary phase of vermicular graphite cast
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Analysis of mechanical properties of nodular cast iron
It can be seen from the table that the tensile strength and impact toughness of nodular cast iron show high
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Casting solidification field of vermicular cast iron pressure plate
The cloud diagram of solid phase distribution of vermicular cast iron is shown in Figure 1. From the solid phase
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Melting process of high silicon nodular cast iron
In order to minimize the content of harmful elements, the selected raw materials should be relatively pure, so high-quality pig
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Production of heavy section ductile iron wind power castings
1. Selection of raw materials Due to the inherent performance characteristics of wind power ductile iron castings, the requirements for
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Friction and wear test of laser melting layer of gray cast iron
Friction coefficient and wear amount are important parameters to characterize the wear resistance of materials. The higher the surface hardness
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Effect of amplitude on graphite morphology and primary austenite of vibration lost foam casting gray cast iron
The effects of vibration frequency and amplitude on graphite morphology, primary austenite and properties of vibration lost foam casting gray
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Fatigue properties of nodular cast iron
At different austenitizing temperatures and isothermal temperatures, the bending fatigue test results of ductile iron specimens at room temperature are
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Temperature field of compacted vermicular cast iron during mold filling
The pouring conditions of vermicular cast iron pressure plate are as follows: pouring temperature 1419 ℃, pouring speed 0.55m/s, pouring
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Mesh generation and parameter setting of compacted vermicular cast iron pressure plate model
In ProCAST, tetrahedral mesh model is commonly used for mesh generation. The quality of mesh usually affects the accuracy of
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Chemical composition selection of High Silicon Ductile Iron
According to the relationship between the elongation and Si content of nodular cast iron, as well as the internal control
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Test results and discussion of ADC12-0.25Ti aluminum alloy automobile castings
1. Microstructure The microstructure photos of titanium containing aluminum alloy ADC12-0.25Ti samples cast at different temperatures are shown in Figure
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Microhardness test of laser melting layer of gray cast iron
After laser melting, the microhardness of gray cast iron surface in different areas is divided into three obvious sections, among
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Tensile test and impact test of nodular cast iron
The tensile test shall be carried out in accordance with gb/t 228-2002 tensile test method for metallic materials at room
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Low pressure sand casting of aluminum alloy complex thin wall parts
1. Selection of casting method The wall thickness of the casting is thin, the flow resistance of the molten metal
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QT500-14, QT600-10 High Silicon Ductile Iron
With the development of science and technology and the continuous innovation of cast iron production technology, the ductile iron grades
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Analysis of impact properties of 30CrNiMo steel castings
According to the results of chemical elements, the chemical composition of steel castings meets the requirements of ZG30CrNiMo steel in
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Metallographic structure change of melting layer of gray cast iron after laser shock
Fig. 1 corresponds to the cross-sectional morphology of the surface of gray cast iron melting layer after continuous impact of