Application of gradient riser in production of high carbon steel roll casting
The typical specification characteristics of section steel universal edging roll and special-shaped steel s-roll products are that the roll neck […]
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Effective application of vermicular graphite cast iron in internal combustion engine
Internal combustion engine occupies a very important social position in power machinery. The internal combustion engine has high thermal efficiency,
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Analysis of graphite growth principle in Vermicular Graphite Cast Iron Technology
In order to have an effective understanding of vermicular graphite cast iron technology, we must have a comprehensive understanding of
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Effect of vermicularization rate on internal porosity of castings
Diesel engine is widely used, working environment is poor, working time is long. Because the cylinder head of diesel engine
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Often neglected metallurgical factors affecting shrinkage cavity and porosity of ductile iron
Although the metallurgical quality of molten iron is affected by many factors, foundry workers have found the quantitative index of
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Process improvement of valve plate defect of automobile gearbox in die casting production
1. Set ice pack and extend setting time appropriately Through X-ray examination and local dissection, it is found that the
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Analysis of defects of valve plate of automobile gearbox in die casting production
After adjusting the production conditions to the appropriate level, the batch trial production was carried out, and it was found
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Original production process for defects of valve plate of automobile gearbox in die casting production
1. Component classification block The structure of the valve plate of the automobile gearbox is complex and has a large
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Effect of oxide on nucleation of graphite in cast iron
In the solidification process of metal nonmetal system, nonmetal matter can be the core of metal crystallization, but metal can
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Oxygen content in cast iron
Although the atomic radius of oxygen is very small (0.66), it is a highly active element and can form compounds
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Oxygen element in cast iron
Among the three gas elements, the solubility of oxygen in liquid or solid cast iron is the smallest, but the
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The source of nitrogen in cast iron
Nitrogen contained in cast iron mainly comes from atmosphere, various furnace charges and molds. Generally, nitrogen is not contained in
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Nitrogen element in cast iron
There are two forms of nitrogen in cast iron: one is dissolved nitrogen; The other is to form nitride with
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Development status of cast heat resistant aluminum alloy
Cast heat-resistant aluminum alloy is a kind of aluminum alloy which is prepared by casting, has good oxidation resistance and
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Turbine 360 ° Strength of low pressure inner cylinder with volute inlet
In China’s power industry system, many high-power units have been running for a long time, and there are deviations between
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Effect of solidification pressure on eutectic structure of cast chromium white cast iron
The content and spacing of eutectic structure, the content and distribution of different phases in eutectic structure of two kinds
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Effect of niobium on graphite content and spheroidization rate of ball milled cast iron
The graphite content and spheroidization rate reflect the degree of graphitization and spheroidization. The typical morphology of graphite balls in
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Control technology of solidification structure of cast chromium alloy
The effect of semi-solid forming process is better than other methods such as modification. However, the possibility of defects (shrinkage
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Effect of niobium on eutectic temperature of ductile iron casting
The figure shows the solidification cooling curve of nodular cast iron with different Nb content. It can be seen that
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Directional solidification technology for solidification structure of chromium alloys
Directional solidification (UDS) is a method to produce eutectic composites or in-situ composites by applying high directional temperature gradient to
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Alloying and modification of chromium white cast iron
The wide industrial application of chromium white cast iron attracts researchers to try different carbide forming elements to improve the
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Test method for effect of niobium on eutectic temperature and as cast microstructure of ductile iron
Cast pig iron, ferrosilicon, ferromanganese, ferromolybdenum, pure copper and ferroniobium were used as raw materials. According to the target chemical
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Casting technology of a diesel engine case
In recent years, with the development of diesel engine to the direction of high power, high strengthening, low noise, low
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Analysis of cold bending cracking of martensitic stainless steel castings
Metal bending test is a test method to measure the bending plastic deformation ability of metal materials under bending load,
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Cold bending cracking of martensitic stainless steel castings
The working conditions of hydraulic turbine equipment are strict, and runner, as the core component of hydraulic turbine, has been
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Development trend of new technology of automotive drive axle
1. Development of heavy truck drive axle to single stage reduction drive axle With the improvement of highway transportation conditions
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Analysis of after sales problems of automobile drive axle
At present, in the after-sales of drive axle, we often receive many after-sales problems from customers. The following analyzes the
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Basic types and structure of automobile drive axle
In the automobile axle, the front axle is mainly used for steering, also known as the front axle. In the
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Selection of mould sand and drying of mould and sand core for blast furnace water cooled steel brick
In order to ensure the surface quality of the casting, according to the characteristics of large wall thickness, small volume,
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Application of high silicon solid solution strengthened Ferritic Ductile Iron in automobile castings
Nodular cast iron is widely used in automobile parts, such as wheel hub, differential case, bracket, steering knuckle, main cover,