Microstructure and mechanical properties of rheo squeeze casting magnesium alloy
Mg Nd Zn alloys have been widely used in automobile, aerospace and national defense industries due to their excellent comprehensive […]
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Sand hole defect of GEVO16 diesel engine cylinder block casting
GEVO16 cylinder block is the key casting of HXN5 locomotive diesel engine on the main line, with the main dimension
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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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Liquid semi solid forming and casting process of magnesium alloy
Semi solid forming is an advanced metal forming process proposed by Professor m.c.flemings of MIT in 1970’s. Semi solid metal
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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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Squeeze casting process of magnesium alloy by liquid forming
Squeeze casting, also known as liquid die forging, is a method to obtain castings by applying high pressure on the
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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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Liquid forming pressure casting process of magnesium alloy
Pressure casting is a method that liquid or semi-solid alloy melt is pressed into the mold cavity at high speed
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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
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Liquid forming gravity casting process of magnesium alloy
The forming process of magnesium alloy can be divided into liquid forming process and solid forming process. Liquid forming mainly
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Overview of magnesium alloy
Magnesium is one of the most abundant elements in the earth, accounting for about 2.3% of the surface metal deposits
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Microstructure analysis of squeeze casting
The microstructure of the alloy was observed by metallographic microscope. The metallographic samples were prepared as follows: (1) Sampling: Using
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Future development of selective laser sintering rapid investment casting
The combination of 3D printing technology and traditional casting industry has brought new vitality to the future casting industry. The
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Conventional squeeze casting and rheo squeeze casting
Conventional liquid squeeze casting and rheo squeeze casting are carried out by direct squeeze casting with vertical four column hydraulic
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Research status of slurry preparation for magnesium alloy semi solid forming casting
At present, scholars at home and abroad have invented different preparation processes for semi-solid slurry / ingot preparation. The purpose
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Error detection of typical complex parts in rapid investment casting
Through zgsccan three-dimensional laser scanner to complete the detection of point cloud data, the obtained point cloud data of complex
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Dimensional error of selective laser sintering rapid investment casting
The process of PS rapid investment casting based on selective laser sintering was studied. Starting from the process of rapid
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Data information detection process of typical complex parts in rapid investment casting
Before the 3D scanning data detection, the laser 3D scanner needs to be calibrated. The calibration plate is scanned and
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Verification of error compensation for rapid investment casting
Through the actual observation of the casting, it is found that the appearance of the diffuser casting is complete, and
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Data acquisition methods and tools of typical complex parts in rapid investment casting
The blade of diffuser impeller is mainly a complex free-form surface. The conventional measurement method can not complete the mapping
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Preparation of qualified castings for rapid investment casting
From the actual casting results of trial casting, it can be found that the upper part of the diffuser blade
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Dimensional error detection of typical complex parts in rapid investment casting
To detect the 3D data of the part, the specific process is to detect the surface geometry of the part
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Trial production of alloy casting in rapid investment casting
The diffuser shell adopts high strength ceramic shell process, which is composed of surface layer, transition layer and back layer.
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Error transfer route in SLS rapid investment casting process
SLS rapid investment casting generally needs three steps: SLS prototype firing, wax impregnation post-treatment and investment casting. Because there is
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There is the problem of size error transfer in SLS rapid investment casting process
Through the analysis of the research status at home and abroad, combined with the existing experimental research, and finally according
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Numerical simulation and result analysis of rapid investment casting
ProCAST simulation software was used to simulate the gating system, and the temperature field changes and casting defects during filling
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Research status of rapid investment casting
In the process of rapid investment casting, due to the different rapid prototyping process, the corresponding casting process scheme is
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Pre processing setup of rapid investment casting simulation
UG software is used to save the designed initial gating system file in x-t format and import it into the
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Research and development of rapid investment casting technology based on SLS
SLS sintering process and material types have a great influence on the sintering results. Most scholars study the influence of