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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Scientific
Production process of casting defects in nodular cast iron roller
The basic structure of roller casting includes barrel and shaft head, which is in the shape of revolving body. The
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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
Scientific
Analysis and prevention of broken teeth of nodular cast iron gears
The casting is molded in a box of 2 pieces, with 550 kg spheroidizing treatment package, 10 boxes and 3
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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
Scientific
Broken teeth of Ductile Iron Gears
The structure diagram of QT600-3 gear casting produced by ZHY casting is shown in Figure 1, and the overall dimension
Scientific
Effect of niobium on matrix structure of ball milled cast iron
The ferrite content in the matrix structure of ductile iron affects the carbon content of the matrix, thus affecting the
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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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Casting process design of a diesel engine case
1. Pouring position and parting surface According to the practical production experience for many years and the principle of accurate
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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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3D printing process for V-type gas engine cylinder block casting
The structure of cylinder block casting is complex, and there are many internal cavities. For this kind of structure casting,
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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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Annealing residual stress removal and tensile strength and hardness of high strength cylinder head castings
Three kinds of annealing process were selected, and the annealing time was 18 h, 11 h and 8 h, respectively.
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Effect of reducing residual stress in mold insulation of high strength cylinder head casting on tensile strength and hardness
The structure of 11 l engine cylinder head casting is shown in Figure 1, and the overall dimension of the
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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
Scientific
Process optimization for reducing stress of high strength cylinder head casting
Through the above analysis, the process was optimized: the furnace holding time was extended to about 8 h, the temperature
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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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Structure reduction and stress relief process of high strength cylinder head casting
The structure of a 13 l cylinder head casting is shown in Figure 1, and the overall dimension of 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,
Scientific
Effect of silicon solution strengthening on properties of nodular cast iron
1) The strength and elongation properties of y-block hot metal casting were compared. It can be seen that with the
Scientific
Analysis of filling velocity field of gating system for large planetary carrier steel castings
Scheme 1 According to the simulation results in Fig. 1 (E), the whole filling process takes about 19.6 s, which
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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,
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Selection and application of casting coating on gray cast iron cylinder
The casting coating is composed of five basic components: refractory aggregate, carrier, binder, suspending agent and additives. With the development
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Introduction to the structure of large planetary carrier steel castings
The gating system is the channel in the sand mold to guide the molten steel into the cavity. In the
Scientific
Material control and test method of large vermicular graphite iron castings
In order to control the content of some trace elements (Ti, Pb, etc.) in Vermicular Graphite Cast Iron and ensure
Scientific
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