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
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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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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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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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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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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
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Automobile forged connecting rod
Connecting rod is an important part of mechanical transmission. It is necessary to use connecting rod to change the direction