gray cast iron

1.Hardness test The sampling position of the hardness sample of the grey cast iron cylinder block is shown in Figure

1.Metallographic observation The metallographic sample is taken from the gray cast iron cylinder body, cut and sampled with a cutting

The figure shows the graphite morphology of gray cast iron prepared under different vibration frequencies. Among them, figures (a) –

Figure 1 shows the model of a high-strength gray cast iron engine cylinder block. The main processes include raw material

Iron carbon equilibrium phase diagram is indispensable for the foundation of cast iron, which has theoretical guiding significance for the

The influence of vibration frequency on the microstructure and properties of gray cast iron in lost foam casting was studied

Gray cast iron is mainly composed of matrix structure and graphite, and others include eutectic group, carbide and cementite eutectic.

The figure shows the relationship between Brinell hardness of gray cast iron and sample wall thickness. It can be seen

The figure shows the fracture morphology of grey cast iron prepared under different amplitude conditions. Among them, figures (a) –

When the microcrack propagation no longer depends on the material surface conditions, the crack initiation stage ends, and the crack

The figure shows the austenite morphology of gray cast iron prepared under different vibration frequencies. Figures (a) – (d) show

In order to better study the fatigue wear resistance of gray cast iron brake material, after every 150 thermal cycles,

After the molten iron is poured into the crucible, the temperature of gray cast iron has a stable process, that

The thermal fatigue resistance of materials is closely related to the tensile strength. Figure 1 shows the fracture morphology of

When studying the effect of carbon content on the thermal fatigue performance of laser bionic gray cast iron, the graphite

Generally speaking, the eutectoid transformation starts from the formation of cementite sheet at the austenite grain boundary. The formation and

Change trend of white mouth width of triangular test piece: 5.5mm; 4.6mm ； 3.8mm； All white mouth; All white mouth

Based on the study of gray cast iron brake drum, through the study of various brake drums, it is found

According to the outer contour, the eutectic group of gray cast iron can be divided into three types: spherical eutectic