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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Test materials and methods for water toughening treatment of lost foam casting lining plate
1. Test materials The test materials are as cast ZGMn13 high manganese steel and zgmn17 ultra-high manganese steel wear-resistant lining
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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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Effect of sample wall thickness on primary austenite of vermicular graphite cast iron
The figure shows the primary austenite structure of nodular cast iron with different wall thickness. Among them, figures (a) –
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Slag hole defect of gray cast iron
There are many factors that cause slag hole defects, such as raw material composition of gray cast iron, slag removal
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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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Solution to shrinkage cavity defect of nodular cast iron reducer shell by lost foam casting
There are two traditional solutions to the shrinkage defects of lost foam casting nodular iron castings. One is to set
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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 sample wall thickness on graphite morphology of vermicular graphite cast iron
The figure shows the graphite morphology of vermicular graphite cast iron with different wall thickness. Among them, figures (a) –
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Slag hole casting defects of gray cast iron slag hole
Slag hole (including sand hole) is also one of the common defects of gray cast iron cylinder block produced by
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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
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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