Research status of machining of mite graphite cast iron in China
In the 1960s, China began to study vermicular cast iron, but the production and processing of vermicular cast iron is […]
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Study on sand mold casting without mold and composite mold
Traditional sand casting often has design limitations in process, especially for the forming of complex castings, the differences of casting
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Cutting properties of vermicular graphite cast iron
As shown in the figure, the phase diagram of gjv450 vermicular graphite cast iron seen under the laser microscope after
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Effect of solidification pressure on solidification structure and wear resistance of chromium white cast iron
The samples of Hypoeutectic and hypoeutectic chromium white cast iron were prepared by pressure casting. The effect of solidification pressure
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Effect of solidification pressure on mechanical properties of cast chromium white cast iron
The results show that the morphology and distribution of primary phase and eutectic structure in the solidification structure of chromium
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Effect of solidification pressure on carbide of cast chromium white cast iron
In addition to the fine grain strengthening effect under pressure, the effect of pressure on carbide morphology is also worth
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Research status of pressure casting chromium alloys
Pressure casting is an advanced near net shape casting process. The melt bears high pressure after pouring and filling until
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Heat treatment of solidification structure of cast chromium alloy
By developing the appropriate combination of microstructure phases, cast iron can obtain the required properties in any specific application. These
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High strength carbides in cast chromium alloys
When the volume fraction of carbide with high hardness in the solidification structure of Cr based alloy is 20 ~
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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
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Practical application of automatic casting cleaning production line
At present, there is a production line of a casting factory, with CNC multi axis grinding machine, mechanical arm, automatic
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Solution concept of casting cleaning automation equipment
According to the actual situation of the current domestic foundry industry development, combined with the production technology, the effective equipment
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Problems and solutions of casting cleaning automation process
1. Expensive equipment and high cost After investigation, it can be found that the reason why the grinding field has
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Casting defects of a high class valve body
In the whole pressure pipeline system, valve is the key control device. Its main function is to connect or block
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Solution of shrinkage defect in die casting front cover by local extrusion
1. Analysis of extrusion position Because the leakage position is between the two oil passages on the moving die side,
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Experimental scheme of split Hopkinson pressure bar for vermicular graphite cast iron.
Hopkinson pressure bar equipment can flexibly replace sleeves of different diameters, corresponding to incident rods and transmission rods of corresponding