Advantages of forging residual heat quenching process
Application of forging heat quenching process: 1) The connecting rod produced by forging heat quenching has higher strength and toughness […]
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Analysis of hardness and heat treatment process of high chromium cast iron
The service life of the liner depends on the hardness of the wear-resistant layer of high chromium cast iron, and
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Pour method of low pressure casting
In the early application of squeeze casting technology, the melt transportation was basically manual transportation and mold filling. The labor
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Mold filling speed of squeeze casting
The composite squeeze casting method adopts the closed mold filling method, which is similar to the indirect squeeze casting. Therefore,
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Microstructure and properties of gray cast iron engine block
Aiming at the process of producing gray cast iron engine block by sand casting, the casting process of gray cast
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Technical and economic advantages of developing microalloyed non quenched and tempered steel automobile connecting rod
The microalloyed non quenched and tempered steel has the advantages of simplifying the production process, improving the material utilization rate,
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Surface morphology and properties of gray cast iron
Through the combination of experimental simulation and experiment, the improvement effect of laser melting, laser shock and graphitization annealing process
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Theory of forging residual heat quenching
Compared with ordinary quenching and tempering, the hardness, tensile strength, elongation and impact value of forgings can be increased by
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Powder metallurgy forging automobile connecting rod
Among the automobile connecting rods made of various materials, the powder metallurgy automobile connecting rod has advantages in hardness, wear
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Development of microalloyed non quenched and tempered steel automobile connecting rod
Microalloyed non quenched and tempered steel was developed in the 1970s with the international energy shortage. It is a special
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Thermal reconstruction and properties of surface microstructure of gray cast iron
The combination of laser melting, laser shock and graphitization annealing process of gray cast iron was applied to the study
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Cast automobile connecting rod
1.Pearlite malleable cast iron is the main material of automobile connecting rod. Its chemical composition is roughly 2.6%c, 1.4%si, 0.42%mn,
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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
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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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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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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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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 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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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