Scientific

Based on the above experimental results, in order to verify the effect of molybdenum on the tensile strength of gray

Molybdenum is an element with strong affinity with carbon, which is conducive to the formation of the second phase particles

According to the different matrix structure, it can be divided into ferrite matrix gray cast iron, pearlite ferrite matrix gray

Graphite parameters such as type, content and length in gray cast iron have an important influence on its tensile strength.

Fig. 1 shows the scanning electron microscope BSE photos of gray cast iron samples with different molybdenum content. It can

Figure 1 and Figure 2 show the microstructure of gray cast iron corroded by 4% Vol. nitric acid alcohol under

Figure 1 shows the graphite morphology of samples S1 ~ S4 in Table 1 observed under scanning electron microscope. According

HT250 finished brake hub produced by ZHY casting is melted in cy-sp35-vim temperature controlled high frequency induction furnace, argon is

The microstructure of primary austenite after heat treatment of four kinds of experimental gray cast iron is shown in the

Gray cast iron wheel hub is one of the important parts of heavy-duty truck. When heavy-duty truck travels down the

Gray cast iron is a low-cost material. It has good thermal conductivity, good mechanical properties and wear resistance due to

As shown in the figure, the hardness and tensile strength results of vanadium titanium gray cast iron with different components

Figures (a) ~ (d) are metallographic photos of vanadium titanium gray cast iron with different components. It can be seen

1. Composition design In order to understand the influence of vanadium, titanium, carbon and silicon content on the microstructure and

The thermal fatigue resistance of gray cast iron can be characterized by its tensile strength at corresponding temperature, which has

1. Tensile strength test The experimental results of tensile strength of samples after different high temperature oxidation cycles are shown

1. High temperature oxidation cycle test The size shall be 30 mm in a muffle furnace × 30 mm ×

Gray cast iron is a common material for the production of ingot mold, chassis, sintering grate and industrial valves. Its

The samples of gray cast iron were treated by isothermal quenching and boronizing. The isothermal quenching process of gray cast