Grid establishment of axle housing in sand casting
The numerical model of axle housing is established by Creo software and saved in. STP format. The STP file is […]
Scientific
Scientific
Numerical simulation and feeding system of sand casting axle housing
Using ProCAST through The computer numerical simulation software is used to simulate the gating system of the axle housing. The
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Variation of microstructure of as cast ductile iron with casting modulus (wall thickness)
For austempered ductile iron, the carbon content in high temperature austenite and retained austenite has a significant effect on the
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Design of semi closed gating system for sand casting axle housing
Semi closed gating system is adopted, and the proportion is as follows: Σ a inside: ∑ a transverse: ∑ a
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Microstructure analysis of nodular cast iron
OM Observation The metallographic sample is made by standard metallographic technology. The concrete methods are: grinding the observation surface on
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Design of open gating system for sand casting axle housing
The open gating system is adopted, and the proportion is as follows: Within Σ A: ∑A transverse: ∑A straight =
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Characterization of mechanical properties of ductile iron
Tensile test Ht-2402-100kn universal testing machine is used to measure the tensile properties of ADI in strict accordance with GB
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Melting process control of ductile iron
Temperature test of molten iron Ya1-w330 portable melting thermometer is used to measure the molten iron temperature in the process
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Design of closed gating system for sand casting axle housing
The closed gating system is adopted, and the proportion is as follows: ΣA inside: ∑A transverse: ∑A straight = 1:1.3:1.5
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Austenitizing water quenching and austempering treatment of nodular cast iron
In order to test the carbon content in austenite during austenitizing, gsl-1500x 1500 ℃ high temperature vacuum tube furnace was
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ProCAST simulation conditions and parameter setting of sand casting axle housing
The basic operation methods of numerical simulation include finite element method, finite difference method, boundary element method and direct difference
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Calculation of average static head value of sand casting axle housing
According to the location of the inner gate of the axle housing, the gating system can be divided into top
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Sample design and preparation of ductile iron
After the ductile iron test bar is taken out of the box, the angle grinder is used to cut the
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Draft angle of axle housing in sand casting
When there is not enough structural slope of the axle housing itself, enough draft angle of the axle housing should
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Casting mold and casting technology of ductile iron
Ordinary clay sand molding is adopted, and the molding process includes mold processing, sand mixing, sand pounding, box turning, vent
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Problems in the original casting process of sand casting axle housing
As the original casting process adopts bottom pouring process, as shown in Figure 1 Through comparative analysis, it is found
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Spheroidization and inoculation of ductile iron
The spheroidizing treatment was carried out by the method of in package charging. The spheroidizing temperature is 1450 ~ 1500
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Sand core design of axle housing
The sand core is designed to form the inner cavity, forming hole or the part with complex shape which is
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Hardness of austempered ductile iron alloy
Effect of as cast microstructure on hardness of Austempered Ductile Iron The hardness test results of Austempered Ductile Iron with
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Research contents of Austempered Ductile Iron
(1) EPMA analysis of carbon content in austenite of ductile iron ① The effects of austenitizing temperature and austenitizing holding
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Effect of austempering process on tensile fracture morphology of Austempered Ductile Iron
The drawing shows SEM photos of tensile fracture morphology of Austempered Ductile Iron with different austempering process parameters. It can
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Research target of Austempered Ductile Iron
By strictly controlling the chemical composition, melting process, spheroidizing inoculation process and casting modulus of nodular iron, high-quality nodular iron
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Effect of casting wall thickness on tensile fracture morphology of Austempered Ductile Iron
The figure shows the secondary electron image of tensile fracture of Austempered Ductile Iron with different wall thickness treated at
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Problems in research of Austempered Ductile Iron
Heat treatment is usually used in strengthening and toughening treatment of ductile iron. The heating temperature of most heat treatment
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Effect of as cast microstructure on tensile fracture morphology of Austempered Ductile Iron
The drawing shows SEM pictures of tensile fracture surface of Austempered Ductile Iron with different as cast microstructure after treatment
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Research achievements of Austempered Ductile Iron in China
In terms of molten iron melting and spheroidizing treatment, Shen Yonghua has produced high-quality Austempered Ductile Iron blanks by using
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Effect of as cast microstructure on tensile properties of Austempered Ductile Iron
The percentage of pearlite in as cast ductile iron with MS = 0.25 cm, Ms = 0.50 cm, Ms =
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Research progress of Austempered Ductile Iron in China
It is the first time in our country to austemper the rare earth magnesium nodular iron at lower temperature and
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Effect of technological factors on mechanical properties of Austempered Ductile Iron
The combination of high strength, good toughness, high specific strength, good wear resistance and high fatigue strength of austempered ductile
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Foreign research on isothermally quenched ductile iron
Krzy ń ska a analysis by transmission electron microscopy (TEM) shows that the ferrite in acicular ferrite in ADI is