Porosity defect of gray cast iron
Porosity casting defect has always been the most common defect in sand casting gray iron castings. It refers to the […]
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Non quenched and tempered steel automobile connecting rod
The quenching and tempering treatment of quenched and tempered steel has two major shortcomings: one is that it consumes a
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Research status of Squeeze Casting Technology
A lot of research and application have been carried out on Squeeze Casting Technology in foreign countries. For example, casting
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Composite squeeze casting forming of large castings
With the rapid development of economy, the domestic demand for large and complex castings in the fields of automobile, aviation,
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Composite squeeze casting of large aluminum wheel hub
Some progress has been made in the research on the forming method and equipment of composite squeeze casting. The research
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White tendency of gray cast iron
The solidification process of iron carbon alloy plays a decisive role in its final structure. Depending on the cooling rate,
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Effect of amplitude on mechanical properties of gray cast iron
(1) Effect of amplitude on hardness of gray cast iron Figure 1 shows the change curve of Brinell hardness of
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Defect analysis of improved lost foam casting turbine exhaust nozzle
The simulation results of lost foam casting of the improved turbine rear exhaust nozzle are shown in the figure. It
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Main factors affecting quenching cracks of quenched and tempered steel after heat treatment
① Effect of carbon content on quenching crack The carbon content of connecting rod material shall be within a narrow
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Heat treatment deformation
There are two types of heat treatment deformation: one is the change of size, the other is the change of
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Study on Microstructure and properties of gray cast iron by laser melting and laser shock
Through the experimental study of laser melting and laser melting impact on gray cast iron, the changes of microstructure and
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Main structure of automobile connecting rod
The connecting rod is composed of a big end, a rod body and a small end. 1.Connecting rod small end
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Development of advanced heat treatment technology
Heat treatment is a kind of hot working process, which heats the steel to a predetermined temperature in the solid
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Quenched and tempered steel connecting rod
Structural steel after quenching and high temperature tempering has good comprehensive mechanical properties, high strength, good plasticity and toughness. The
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Solidification structure and properties of other cast iron in vibration lost foam casting
In addition to ductile iron and gray iron, vermicular iron and white iron are commonly used as cast iron alloys.
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Heat treatment process of connecting rod
1.Manufacturing process route of connecting rod The general manufacturing process of quenched and tempered steel connecting rod is: forging →
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Form_ Effect of material coupling element on fatigue wear resistance of gray cast iron
By imitating the surface characteristics of wear-resistant organisms, the bionic non smooth surface morphologies of point, strip and mesh are
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Innovation of composite squeeze casting for large aluminum wheel hub
(1) A forming method of composite squeeze casting for large parts was proposed. According to this method, a composite squeeze
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Formation and elimination of common defects in gray cast iron
The cylinder block is the framework of the automobile engine, with thin wall and complex structure. In the casting production,
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Analysis of numerical simulation results of turbine rear exhaust nozzle in lost foam casting after process improvement
The numerical simulation results of the solidification process of the improved lost foam casting turbine rear exhaust pipe are analyzed.
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Effect of nodulizer addition on Microstructure of nodular cast iron
When nodular cast iron is cast, the amount of nodularizing agent will directly affect the graphite morphology in cast iron,
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Surface microstructure of gray cast iron
The existence of flake graphite in the middle layer of gray cast iron seriously affects the improvement of its properties.
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Classification of automobile connecting rod
1.Diesel engine connecting rod The connecting rod of the diesel engine bears high explosion pressure and low rotation speed. The
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Heat treatment defects of automobile connecting rod
Connecting rod is one of the important components in the engine. Its quality directly affects the safe use and driving
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Common materials of die forged connecting rod
1.Materials and technical requirements of quenched and tempered steel connecting rod Jb3764-84 stipulates that the following materials shall be used
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Effect of scrap addition on fracture morphology and fracture mechanism of gray cast iron
The graphite morphology in gray cast iron has obvious influence on the fracture process and mechanism of gray cast iron.
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Forming test of large aluminum wheel hub by Squeeze Casting
1.Forming process scheme The filling temperature of the large wheel hub composite squeeze casting method is 720 ℃, the moving
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Effect of amplitude on matrix structure of gray cast iron
The figure shows the matrix structure of gray cast iron. Among them, figures (a) – (d) are the matrix structure
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Analysis of solidification defects in lost foam castings
According to the analysis of the above numerical simulation results of lost foam casting, the possible defects and parts in
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Function analysis of compound squeeze casting die
Compared with the traditional squeeze casting die, the key problems to be solved in the composite squeeze casting die for