Comparison of machinability of gray cast iron with the same strength
As shown in the table, the mechanical properties of gray cast iron poured in two different heats are shown. It […]
As shown in the table, the mechanical properties of gray cast iron poured in two different heats are shown. It […]
When the rotating speed and feed rate are constant, the cutting length of the cutting edge for cutting each sample
1.Graphite morphology Figure 4 shows the graphite morphology of two groups of gray cast iron samples. It can be seen
When the rotating speed and feed rate are constant, the cutting length of each sample cut by gray cast iron
The influence of reassembly of the same blade at different cutting depths on the cutting force is shown in the
The tensile strength of gray iron castings has been increased from 200 MPa to 250 MPa or even 300 MPa.
One of the important physical parameters in the process of cutting gray cast iron is cutting force. In the process
1.Purification degree of molten iron Some high melting point and high hardness particles remain in the molten iron and become
In the gray cast iron cutting force measurement test, the different installation position of the turning tool and the sticking
Another important link in obtaining high-performance gray cast iron is inoculation treatment. Before the solidification of molten iron, a certain
In the process of gray cast iron cutting, the cutting force of gray cast iron directly determines the wear, damage,
Because the flake graphite in gray cast iron has good chip breaking and tool lubrication, the machinability of gray cast
Iron carbon alloys with carbon content greater than 2.14% or eutectic structure in the structure are called cast iron. It
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 and HT200 gray cast iron are made of lost foam casting and clay sand casting to improve the tensile
The following contents are mainly studied: the influence rules and mechanisms of different inoculation treatments on the microstructure, mechanical properties
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
At present, many measures to improve the strength of gray cast iron often have an adverse impact on its machinability.
Modification is a method of adding a small amount of elements or their compounds to the molten metal to control
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
It can be seen that under the condition that the basic composition of gray cast iron is basically the same,