Cooling curve of flake graphite cast iron and nodular cast iron
The cooling curves of typical flake graphite cast iron and nodular cast iron are shown in the figure. It can […]
The cooling curves of typical flake graphite cast iron and nodular cast iron are shown in the figure. It can […]
The figure shows the hardness change of white cast iron in lost foam casting with and without vibration. It can
As cast crankshaft castings with nodular cast iron trademark of QT800-2 are selected as the samples. After testing, the nodularity
Aluminum alloy castings are widely used in railway, military, aerospace, automotive, medical and other fields because of their good comprehensive
1. Fractograph The fracture morphology of impact sample was observed by Zeiss evo15 scanning electron microscope. The fracture morphology of
Due to the temperature gradient generated in the process of laser melting of gray cast iron and the transformation of
According to the definition of composite squeeze casting, the process flow of the composite squeeze casting forming method is as
The picture shows the microstructure of white cast iron with different wall thickness. Among them, figures (a) – (c) are
The fracture is located at the root of the support arm on the casting, and the overall paint surface of
When the temperature in the molten pool rises rapidly, the convection inside the molten pool is strong, which adds to
When examining the casting process of cylinder head, it is necessary to avoid unreasonable structure affecting mold parting or casting
1. Manufacturing process All the technologies described above have different advantages. In this study, selective laser sintering technology is mainly
Take 4N9 high-purity aluminum, 4N9 refined magnesium ingot, Al-5Ti, al-3be, Al-12Si master alloy and ZL116 alloy ingot as raw materials,
The existing mould and the cast cylinder head with grinding problems are shown in Figure 1. As shown in Figure
In the process of rapid cooling of the molten pool, due to the extremely fast cooling speed, non-equilibrium solidification occurs
At present, there are two main structures at the push rod hole of diesel engine cylinder head. One is that
The figure shows the hardness change curve of vermicular graphite cast iron prepared under different vibration frequencies. It can be
The figure shows the matrix structure of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the
In addition to composite rollers and composite pipes, ring parts such as bearing rings and flanges are used as key
The surface structure of untreated gray cast iron sample is pearlite (P) and graphite (g). From the XRD spectrum of
From the analysis of key technical problems, it can be seen that the composite squeeze casting die for large parts
At present, there are two main squeeze casting methods: direct squeeze casting and indirect squeeze casting. Researchers in various countries
The main failure mode of connecting rod is fatigue fracture. In order to keep the crankshaft in balance at high
At present, there are generally two kinds of structures at the cylinder head injector of diesel engine. One is press
The figure below shows the morphology of primary austenite of cast iron prepared under different vibration frequencies. Figures (a) –
The mass of large g10mnmov6-3 low alloy cast steel cable clamp is about 4600kg and the outline size is 2600mm
The main function of squeeze casting die in the forming process is to complete the liquid metal forming and ensure
The figure shows the graphite morphology of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the
If the sand mold casting process is unreasonable, the local hot spots of the casting shell will increase. In order
The growth mechanism of tin crystal was discussed by means of lower microstructure observation and thermodynamic calculation. The effects of