Effect of modifier addition on Microstructure of high strength gray cast iron
The modifier used in the study is jf-1 modifier. In the experiment, the composition of gray cast iron and the […]
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Analysis on casting technology of automobile engine block
In the process of casting the automobile engine cylinder block, relevant enterprises and technicians should pay attention to the reasonable
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Study on heat treatment process of China steel casting parts
The strength, especially plasticity and toughness of steel castings are greatly reduced due to coarse grains, uneven microstructure and internal
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Effect of rare earth elements on Microstructure and properties of low carbon equivalent gray cast iron
By studying the changes of casting properties, metallographic structure and mechanical properties of low carbon equivalent grey cast iron under
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Reasonable selection of materials in automobile engine block casting
In terms of the selection and development of automobile engine cylinder block materials, cast iron, aluminum alloy and vermicular iron
Scientific
Production technology of frame shell casting
ZHY casting has developed a frame shell casting with material grade of HT250 and overall dimension of 1300 mm ×
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Study on casting technology of Chinese steel casting parts
Casting process is a process scheme to ensure that steel casting parts have complete shape, clear outline and no internal
Scientific
Effect of inoculation treatment on turning performance of experimental gray cast iron
Most gray cast iron castings can become machine parts only after turning. The turning performance directly affects the processing quality
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Dual liquid pouring / mold transformation technology for wear-resistant castings
The bimetallic jaw wear-resistant castings were successfully wound by using the bimetallic liquid winding injection / transformation molding technology of
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Study on modification and microalloying of cast steel parts in China
Modification and microalloying is one of the hotspots to improve the properties of steel casting parts for many years. Through
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Effect of inoculation treatment on Microstructure of experimental gray cast iron
The composition of the experimental gray cast iron and the types of inoculants added. By comparing and analyzing the effects
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Advantages of iron castings
Iron castings are widely used in various mechanical equipment, construction, metallurgy, agricultural machinery, national defense industry and other fields. In
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Strengthening high strength gray cast iron by adjusting the content of Mn and S
Adding alloying elements to cast iron can improve the strength of gray cast iron. The effects of manganese, some alloying
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Study on Alloying of China cast steel parts
As we all know, the performance of steel casting parts comes from casting materials, guaranteed by manufacturing process and improved
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Strengthening high strength gray cast iron by optimizing carbon equivalent and silicon carbon ratio
Adjust carbon equivalent and silicon carbon ratio. In the solidification of gray cast iron, the carbon equivalent directly affects the
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Realization of casting process simulation of trial production process
To realize the simulation of casting filling and solidification process by ProCAST, the following processes need to be experienced: Firstly,
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Developing green casting technology
Improve the level of cleaner production, improve the utilization rate of energy and raw materials in cleaner production, and try
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Method of simulating lost foam casting process of nodular cast iron based on ProCAST
Because there is no solid phase in the initial state of the mold cavity during the micro model calculation, and
Scientific
Introduction of numerical simulation method of lost foam casting mold filling
At the same time, considering the pressure and speed in the filling process of lost foam castings, so far, the
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Change ideas and continuously improve casting quality
The instability of casting quality in China is the focus of casting users at home and abroad. To improve the
Scientific
Solidification simulation and optimization of large turbine volute in sand casting
The solidification process of sand castings is directly related to the shrinkage cavity, porosity and stress concentration of sand castings.
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Strengthen the progress of casting technology and improve the innovation ability of casting technology
Enhancing the ability of foundry technology innovation is the key to improve the core competitiveness of enterprises. Foundry technology innovation
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Process design of sand core for sand mold casting of large turbine volute
1. Sand core design of sand mold casting The core is made of furan resin self hardening sand. Because the
Scientific
Sand mold casting process design of large turbine volute
The spiral case is made of QT500-7, and its chemical composition is shown in the table. The production nature of
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Strategic measures for China’s foundry industry that the government can take
1.Encourage the diversification of investment subjects in the foundry industry Reduce the entry threshold of the foundry industry, reduce unnecessary
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Analysis of solidification simulation results of sand castings
After the simulation calculation is completed, enter the visual viewer post-processing interface, observe the dynamic change of liquid metal temperature
Scientific
Stability verification of inverse calculation program for sand mold casting
The accuracy of the back calculation program needs to be verified. We select the difference between the measured temperature data
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Establishment of inverse calculation program for interface heat transfer coefficient in sand mold casting
The basic theory of heat transfer and the solution method of inverse heat transfer problem are systematically expounded. Combined with
Scientific
Analysis and modeling of sand casting structure of large turbine volute
Compared with other metal castings, sand casting has the advantages of low cost, simple production process and short production cycle.
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Development direction of product quality of Chinese foundry manufacturers
Generally speaking, a series of industry standards can bring us advantages in quality management, product quality, marketing and competitiveness. (1)