Measures to solve the inclusion of nodular cast iron reducer housing in lost foam casting
The inclusion of reducer housing is related to the process characteristics of lost foam casting nodular cast iron, which can […]
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Effect of laser shock on graphitization annealing time of gray cast iron
The results show that the graphitization annealing of white cast iron takes a long time. When annealing at 800 ℃,
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Connection mode of quenching and tempering steel connecting rod forging and heat treatment process
At present, there are two typical ways of connection between quenching and tempering steel connecting rod forging and heat treatment
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Billet die forged connecting rod
In order to ensure that the connecting rod has sufficient stiffness and strength under the condition of light structure, in
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Heat treatment defects of automobile connecting rod
When mastering, producing and applying such new materials, especially under the condition of mass continuous production, the main obstacle encountered
Scientific
Effect of molten iron treatment temperature on graphite morphology of vermicular graphite cast iron
Y-shaped samples were used. The burden ratio was 85% of cast pig iron and 15% of Q235 steel. The addition
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Porosity casting defects of gray cast iron
Most of all kinds of porosity casting defects are located in the key parts of the cylinder block, and the
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Research status of microalloyed non quenched and tempered steel automobile connecting rod
Since the first microalloyed non quenched and tempered steel was successfully developed in West Germany, non quenched and tempered steel
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Improvement of white cast iron structure
The engine block is one of the most complicated parts in the cast parts, and various sand cores are needed
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Causes of inclusions and shrinkage cavities in the reducer housing of lost foam casting nodular cast iron
The carbon content of ductile iron castings in lost foam casting is generally 3.5% ~ 3.8%, which is easy to
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Die forged connecting rod
The performance of the die forged connecting rod is reliable. The inspection method is simpler than that of the cast
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Study on graphitization annealing of laser modified surface of gray cast iron
Although the surface hardness of gray cast iron after laser melting and impact is greatly improved, the microstructure toughness of
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Importance of heat treatment process for forging quenched and tempered steel connecting rod
The product quality of quenched and tempered steel connecting rod is mainly determined by the technical parameters such as quenched
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Effect of pouring interval time of high chromium cast iron carbon steel bimetallic compound casting
According to the element distribution of line scanning and surface scanning, the thickness of interface bonding zone of composite samples
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China automobile connecting rod forging
Connecting rod is widely used in all kinds of power machinery. It is an important part of all kinds of
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Microstructure and properties of vermicular graphite cast iron by vibration lost foam casting
Compared with gray cast iron, graphite in vermicular graphite cast iron is short and thick, curved and worm like. Because
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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
Scientific
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,
Scientific
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
Scientific
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