Solidification structure of Hypereutectic cast chromium alloy
The whole contour of eutectic structure in hypereutectic chromium cast iron is very similar to that of Hypoeutectic and eutectic […]
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Effect of solidification pressure on carbide and eutectic carbide content of chromium white cast iron
The total amount of carbides, eutectic carbides and primary carbides in alloy 2 are shown in the figure. The content
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Hypoeutectic / eutectic solidification structure of cast chromium alloys
According to the different carbon content, the solidification structure of chromium alloys can be divided into hypoeutectic, eutectic and hypereutectic.
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Analysis of eutectic solidification characteristics of chromium white cast iron under pressure
In order to better compare the solidification structures of different sampling positions under different pressures, the solidification structures of top,
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Classification of cast chromium alloys
The solidification structure of chromium alloys is closely related to the content of C and Cr in them. According to
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Different sampling positions of eutectic solidification of chromium white cast iron under pressure
(1) Solidification structure of specimens at different positions under atmospheric pressure The solidification structure of alloy 2 under normal pressure
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Chromium white cast iron has excellent stability in high temperature and high wear environment
Long term industrial practice shows that chromium white cast iron has excellent stability and relatively low production cost in high
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Position effect of eutectic solidification of chromium white cast iron under pressure
The results show that the pressure, fluidity and cooling rate of liquid metal at different positions are different during solidification.
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Theoretical model of eutectic growth of chromium white cast iron under pressure
The stability of solid-liquid interface affects the morphology of microstructure and determines the final properties of materials. The expression of
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Drying of casting coating
Drying is the process of removing the carrier from the coating. The sand core should be dried in time after
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Effect of pressure on solute diffusion coefficient of chromium white cast iron
The relationship between pressure and solute diffusion coefficient can be described as follows Where: DP — solute diffusion coefficient under
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Suspension control of casting coatings
Suspensibility refers to the ability of coating to resist stratification and precipitation of solid refractory powder. On the premise of
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Eutectic growth mechanism of chromium white cast iron under pressure
Through the characterization and analysis of the morphology of the above hypoeutectic alloy 1 # eutectic structure, the eutectic morphology
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According to the type and granularity of core sand, the formulation of casting coating was developed
In order to effectively solve the problem of core breaking during sintering of water jacket and oil passage of cylinder
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Effect of solidification pressure on eutectic content and size of chromium white cast iron
Because the primary phase in the solidification structure of alloy 1 is austenite, the eutectic austenite in the divorced eutectic
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Strengthening mechanism of cast heat resistant aluminum alloy
According to the high temperature strength theory of metals, with the increase of temperature, the strength of grain boundary decreases
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Effect of solidification pressure on eutectic spacing of chromium white cast iron
Through the quantitative characterization of eutectic structure under different pressures, it can be seen that the morphology of each phase
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Study on properties of cast heat resistant aluminum alloy
In view of the complex service environment of automobile engine cylinder and piston, cast heat-resistant aluminum alloy not only has
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Effect of solidification pressure on eutectic morphology of near eutectic chromium white cast iron
The metallographic structure shown in the figure is the metallographic structure photo of near eutectic alloy 2. It can be
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Microstructure control of cast heat resistant aluminum alloy
The microstructure and morphology of materials play an important role in determining their mechanical, thermal and electrical properties. It is
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Solidification test and mechanical properties test of chromium white cast iron by pressure casting technology
1. Hardness test (1) Macrohardness Thbrv-187.5 electric broville hardness tester is mainly used for macro hardness analysis of samples. As
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Numerical simulation of bidirectional coupling of temperature field and stress field in casting process
At present, FDM / FEM integration is widely used in the calculation system of temperature and stress field in casting
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Microstructural analysis method for solidification test of chromium white cast iron by pressure casting technology
1. Sample preparation (1) Sample grinding and polishing Use pg-2da metallographic sample polishing machine to pre grind the sample with
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Technical difficulties of high strength and high plasticity pearlitic ductile iron
At present, the elongation indexes of high strength and high plasticity pearlitic ductile iron produced by domestic foundry enterprises are
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Experimental process of solidification structure of chromium white cast iron by pressure casting technology
1. Alloy melting The alloy was melted in 500 kg medium frequency induction furnace in air atmosphere. The raw materials
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Research and development of high strength and high plasticity pearlitic ductile iron
Foreign R & D Some foundry companies such as GF, Fiat and FCD have established enterprise standards and started to
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Test equipment for solidification structure of chromium white cast iron by pressure casting technology
The main equipment of pressure casting experiment includes liquid die forging machine, special concave convex die, pouring ladle and pouring
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Characteristics of as cast high strength and high plasticity pearlitic ductile iron
The characteristics of as cast high strength and high plasticity pearlitic ductile iron are as follows: (1) Compared with ordinary
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Material selection for solidification structure test of chromium white cast iron by pressure casting technology
The raw materials used in the experiment are two kinds of alloy composition, including low chromium hypoeutectic white cast iron
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Domestic as cast high strength and high plasticity ductile iron
At present, there are two kinds of as cast high strength and high plasticity ductile iron in China： The first