Surface microstructure of gray cast iron
The existence of flake graphite in the middle layer of gray cast iron seriously affects the improvement of its properties. […]
The existence of flake graphite in the middle layer of gray cast iron seriously affects the improvement of its properties. […]
The graphite morphology in gray cast iron has obvious influence on the fracture process and mechanism of gray cast iron.
The figure shows the matrix structure of gray cast iron. Among them, figures (a) – (d) are the matrix structure
Fatigue wear failure of gray cast iron is a phenomenon that metal is removed from the contact area under the
For the surface of gray cast iron treated by laser alloying, the microstructures of different mixed alloy powders are obviously
The figure shows the morphology of primary austenite of gray cast iron prepared under different amplitudes. Figures (a), (b), (c)
The microstructure is the main factor affecting the fracture morphology and fracture mechanism of metal materials. The notch effect at
Since the 1990s, researchers have carried out a lot of research on the surface modification of gray cast iron, among
The results show that the laser surface biomimetic strengthening technology can effectively improve the fatigue wear resistance of gray cast
The development of cast iron technology at home and abroad requires that gray iron castings not only have good mechanical
Laser surface strengthening technology is widely used because martensite, austenite, carbide and other strengthening phases occur in the machining area.
In order to make gray cast iron more widely used, the graphite morphology in gray cast iron must be strictly
According to the body surface characteristics of wear-resistant organisms, hard elements on such non smooth surfaces are often distributed in
The figure shows the effect of scrap content on the hardness and tensile strength of gray cast iron. It can
The figure shows the fracture morphology of gray cast iron with different vibration frequencies. Among them, figures (a) – (d)
The macroscopic fatigue defects of rolling fatigue wear are mainly formed by the propagation of fatigue microcracks. Fatigue micro cracks
The figure shows the graphite morphology of gray cast iron prepared under different amplitudes. Figures (a) – (b) show the
The microstructure of grey cast iron samples with three different contents of scrap steel is shown in Fig. 1 and
The inheritance of tin in raw and auxiliary materials and the introduction of Ti element will increase the tin particles
(1) Effect on hardness of gray cast iron Fig. 1 shows the effect of vibration frequency on the hardness of
Pig iron is one of the main raw materials of gray cast iron. Figure (a) shows the metallography of pig
Many gray particles can be observed in the SEM picture of Fig. 1 (a). Therefore, the cross-sectional component surface scanning
Gray cast iron is one of the most commonly used metal materials for automotive parts such as engine, because of
In order to research the change of austenite dendrite structure of gray cast iron from the perspective of thermodynamics, two
Carry out the research on the influence of tin in gray cast iron on its performance. First, carry out the
According to the relation diagram, for gray cast iron during cooling and solidification, at a certain temperature, the content of
In the melting process of gray cast iron, the larger tin particles in the raw and auxiliary materials failed to
Figures 1 and 2 show Fe Ti binary phase diagram and N Ti binary phase diagram respectively. The maximum solid
In the process of vibration lost foam casting of gray cast iron, the vibration promotes the convection of metal solution,
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