As cast mechanical properties of 7075 alloy by rheo squeeze casting
In the middle part of the workpiece, take a test bar with a diameter of 6 mm according to the […]
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Analysis and preventive measures of zonal shrinkage defect of nodular cast iron cylinder
1. Defect analysis (1) The rib plate of the cylinder body forms a grid shaped geometric hot spot with the
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Liquid segregation of 7075 alloy in rheo squeeze casting
By analyzing the metallographic structure of the parts successfully manufactured by rheo squeeze casting, it is found that liquid phase
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Microstructure of parts formed by rheo squeeze casting
Figure 1 shows the metallographic structure of different parts of 7075 alloy wheel extrusion casting. It can be seen from
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Experimental die and device for rheo squeeze casting of 7075 aluminum alloy
As shown in the figure, the die structure of squeeze casting includes upper and lower die, die base, die core,
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Optimization of process parameters for rheo squeeze casting of 7075 aluminum alloy
The quality of wheel shaped rheo squeeze casting parts is closely related to the extrusion filling speed, pouring temperature, mold
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Influence of mold filling speed on defects of squeeze casting parts
In order to improve the quality of wheel shaped squeeze casting parts, the process parameters of different extrusion filling speeds
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Influence of different mold temperature on the quality of squeeze casting parts
Under the condition that the pouring temperature is 630 ℃ and the extrusion filling speed is 0.4m/s, the mold temperature
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Influence of different pouring temperature on the quality of squeeze casting parts
Under the condition of keeping the die temperature at 160 ℃ and high extrusion speed of 0.4m/s, the pouring temperature
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Analysis of filling process of wheel shaped squeeze casting parts
According to the specific parameters of semi-solid vertical squeeze casting machine, combined with the laboratory test data, the process parameters
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Numerical simulation of mold filling process in rheo squeeze casting
The process of numerical simulation of AnyCasting software includes: firstly, the pre-processing is carried out by any pre, including the
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Establishment of mathematical model for mold filling process of rheo squeeze casting
Based on the theory of numerical simulation and fluid mechanics, the equations of solidification heat transfer are established Momentum conservation
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Hypothesis of forming process in semi solid rheo squeeze casting
The semi-solid 7075 alloy melt is different from the traditional liquid alloy ① Semi solid alloy melt has good fluidity,
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Mechanical properties of rheo squeeze casting aluminum alloy parts
In the middle part of the rheo indirect squeeze casting part, a rectangular sample with a thickness of 2mm was
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Experimental scheme of rheo squeeze casting process
Rheo squeeze casting is to squeeze the semi-solid alloy melt from the bottom into the cavity which has been closed
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Scheme of rheo squeeze casting system for aluminum alloy
Forming process of rheo squeeze casting Rheo squeeze casting mainly includes the following processes: 1 Mold closing; ② grouting: pouring
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Structure design of punch core and die in Squeeze Casting
The structure design of squeeze casting die requires simple structure, reasonable process, easy manufacturing and quality assurance. This paper mainly
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Design of blank and drawing of squeeze casting
According to the needs of design and development of semi-solid vertical squeeze casting machine, a wheel like part (similar to
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Structural design of each component of gating system for large planetary carrier steel castings
ZG35CrMo material has poor casting performance, high solidification shrinkage and easy to produce shrinkage cavity and other defects. The pouring
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Application of aluminum alloy in rheological casting
In the semi-solid processing of aluminum alloy casting more aluminum alloy, such as A356, A357, A380 and so on. Due
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Microstructure and mechanical properties of rheo squeeze casting alloy
Figure 1 shows the microstructure of as cast rheo squeeze casting Mg – 0.43nd – XY – 0.08zn – 0.11zr
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Process improvement of base plate castings for large machine tools
Machine tools play an important role in the modernization of national economy. Machine tool refers to the manufacturing machine, conventionally
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Process improvement of large vermicular graphite iron castings
1. improvement of vermicular treatment equipment When the company produces vermicular graphite cast iron engine cylinder block and cylinder head,
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Microstructure and properties of T6 state metal mold casting alloy under high temperature tension
Figure 1 shows the tensile yield strength, tensile strength and elongation of T6 alloy at room temperature and high temperature.
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Microstructure and properties of T6 state metal mold casting alloy under room temperature tension
Figure 1 shows the aging hardening curve of Mg – 0.43nd – XY – 0.08zn – 0.11zr alloy at 200
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Microstructure and mechanical properties of metal mold casting alloy
Figure 1 shows the optical structure of Mg – 0.43nd – XY – 0.08zn – 0.11zr alloy after solution treatment.
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Microstructure and mechanical properties of as cast metal mold casting alloy
Figure 1 shows the microstructure of as cast Mg – 0.43nd – XY – 0.08zn – 0.11zr alloy. It can
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Effect of pressure on Microstructure and mechanical properties of rheo squeeze casting alloy
The semi-solid slurry of nz30k alloy was squeeze cast under different pressures. The effect of pressure on Microstructure and mechanical
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Strengthening mechanism of rheo squeeze casting alloys with different forming methods
Fig. 1 is an OM picture of the alloy structure of metal mold casting and conventional squeeze casting. As shown
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Effect of pressure on Microstructure and mechanical properties of rheo squeeze casting alloy
Generally speaking, the gap between the alloy melt and the die is reduced and the heat transfer is accelerated under