Prediction of crack propagation life by casting defects
According to fracture mechanics, once the position of a certain point in the area near the top of the casting […]
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Analysis of back calculation results of interface heat transfer coefficient in sand mold casting
After the interface heat flow and temperature field data are solved by the inverse calculation program, the part of the
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Application of dark subsidy in casting process
Since there are certain limitations and uneconomies in increasing metal subsidies, it is necessary to consider a process scheme that
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Effect of casting defects on fatigue crack propagation
For commonly used aluminum alloy materials, the crack propagation life and crack nucleation (initiation) life account for about 30% ~
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Inverse calculation of temperature data of mold No. 1 unit in sand casting
According to the macroscopic definition formula of interface heat transfer coefficient, it is necessary to know the temperature T1 of
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Application of metal subsidy in casting process
Metal subsidy is one of the most common subsidies. Metal subsidy refers to the structure subsidized on the basis of
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Stress intensity factor of casting defects
As for the calculation of the stress intensity factor of casting defects, scholars have made a lot of efforts and
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Back calculation results and analysis of interfacial heat flow in sand casting
The temperature data at the thermocouple measured in the experiment are sorted into the data form required by the inverse
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Application of subsidy scheme in Casting Technology
Casting refers to the process of melting solid metal into liquid, pouring it into a specific shape of mold, and
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Measured temperature field data of ring sand casting
The three groups of pouring test temperature data of ring sand casting during solidification are as follows: Figure 1, figure
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Measured temperature field data of flat sand castings
The temperature data measured in the solidification process experiment is the basis for solving the interface back calculation. Therefore, it
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Advantages of Dieless casting forming technology
1. Shorten the production cycle and improve the machining accuracy The mold less casting process adopts computer automatic processing, and
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Error analysis of temperature measurement of heat exchange in sand mold casting
It is inevitable that there are errors in the experiment of heat exchange and temperature measurement in sand mold casting.
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Experimental steps of heat exchange and temperature measurement in sand casting process
For each sand casting process scheme, sufficient experimental preparations need to be carried out before the temperature measurement experiment, which
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Experiment on heat transfer and temperature measurement of interface between medium core and casting in sand casting
In order to solve the interface heat transfer coefficient between sand casting and mold / core through numerical back calculation,
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Definition of interfacial heat transfer coefficient in sand casting
In the process of metal solidification during sand casting, the solidification volume contraction of metal and the thermal expansion of
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Effect of adding cold iron on simulation results in nodular cast iron pouring of hub support
According to the comparison of the numerical simulation results of the scheme, it is found that by reasonably increasing the
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Influence of riser diameter and riser neck length of nodular cast iron for hub support on simulation results
It can be found from the analysis that simply changing the height of the pouring riser of nodular cast iron
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Effect of pouring riser height of nodular cast iron for hub support on simulation results
Firstly, from the aspect of changing the height of nodular cast iron pouring riser, without changing the diameter and neck
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Effect of pouring temperature on simulation results of nodular cast iron process for hub support
According to the simulation results in the previous section, it is found that the feeding channel of riser neck is
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Simulation results of solidification process of nodular cast iron for hub support
The temperature distribution of nodular cast iron during solidification of automobile hub support is shown in Figure 1. As can
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Simulation results of filling process of nodular cast iron for hub support
Nodular cast iron belongs to a typical paste solidification mode. The possibility of shrinkage porosity, shrinkage cavity, air hole, slag
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Effect of quenching temperature on Microstructure and hardness of 2Cr13
The temperature node is taken between AC1 and AC3 of 2Crl3. Since the austenitizing of 2Crl3 begins at 820 °
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Process modeling and parameter setting of nodular cast iron for hub support
(1) Material definition The material used in the simulated automobile hub support is the high strength and Toughness Nodular Cast
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Process modeling of nodular cast iron for hub support
Using ugnx12 0 software to model the pouring and feeding system of automobile hub support. UG NX12. 0 is a
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Design of nodular cast iron feeding system for automobile hub support
After the molten metal is poured into the mold, it usually produces volume shrinkage in the process of solidification and
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Dimensions of nodular cast iron gating system for automobile hub support
After determining the type and layout of the nodular cast iron gating system, it is necessary to calculate the specific
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Refinement of grain structure of martensitic stainless steel
Among the many strengthening mechanisms, the method of grain refinement is the best way to control the strength and toughness
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Design of nodular cast iron sand core for automobile hub support
The function of sand core is to shape the hole, inner cavity or parts that are not easy to produce
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Control of microstructure and phase structure of martensitic stainless steel
When studying 00cr13ni5co9mo5 maraging stainless steel, Luo Jing et al. Found that only a small amount of martensite was transformed