Role of alloying elements in metal casting
A large number of experimental studies have proved that in general, the higher the purity of metal, the better its […]
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Identification of casting pores in super duplex stainless steel butterfly valve body
The valve body of seawater butterfly valve with nominal size of DN1200 is made of 00Cr25Ni7Mo4N, with a gross weight
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Effect of heat treatment process on bainitic Martian multiphase wear resistant cast steel
There are two traditional methods to obtain bainitic steel: (1) Isothermal quenching method: heat the steel to a certain temperature
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Elimination of casting porosity in stainless steel butterfly valve body and control of steelmaking raw materials
(1) Proportion control of new material and returned material. The main chemical composition of SAF2507 super duplex stainless steel is
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Analysis on the formation of casting pores in the valve body of super duplex stainless steel butterfly valve
(1) Cause analysis of formation of porosity in invasive casting. The total amount and rate of gas produced by molding
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Effect of microstructure of bainite martensite composite wear resistant cast steel
As shown in Figure 1, the types of bainite structure include upper bainite, lower bainite, carbide free bainite, granular bainite,
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Fatigue failure process and mechanism of metal casting
In fact, the fatigue failure of materials is mainly due to the irreversible change of the material structure. When the
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Prevention and treatment of casting porosity in sand coated iron mold cylinder block casting
1. Increase the section size of the internal sprue In order to reduce the large amount of gas generated by
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Improvement and production verification of a new vibrating table for lost foam casting
The flywheel housing is placed vertically in the lost foam casting sand box (as shown in Fig. 1), and there
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Control of ambient temperature and humidity for eliminating casting pores in stainless steel butterfly valve body
The curing rate of resin self hardening sand increases with the increase of ambient temperature (including raw sand temperature). When
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Effect of composition of bainitic Martian multiphase wear resistant cast steel
The chemical composition has a great influence on the mechanical properties and microstructure of bainitic Martian multiphase wear-resistant cast steel.
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Casting porosity of super duplex stainless steel butterfly valve body
Super duplex stainless steel (00Cr25Ni7Mo4N, French brand SAF2507) is widely used in nuclear industry, such as valve body, main coolant
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Four dimensional wear of wear resistant cast steel for lining plate of cone crusher
The photos of the conical crusher liner before and after use taken at the workshop site are shown in Figure
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Improvement measures of new vibrating table for lost foam casting
1. Improve the stiffness and strength of lost foam casting sand box The bottom of lost foam casting sand box
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Development of bainitic martensitic wear resistant cast steel
In the late 1920s, Robertson first discovered the medium temperature transformation product later named bainite in steel. Later, the researchers
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Three dimensional wear of wear resistant cast steel for lining plate of cone crusher
Three dimensional wear, also known as impact surface wear, mainly describes the wear mechanism on the three body impact abrasive
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Application of surface strengthening technology of wear-resistant materials in crusher liner casting
Surface strengthening technology includes surface treatment, surface processing, surface coating, surface modification and thin film technology. Surface strengthening technology has
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Thermal conductivity of vanadium titanium gray cast iron brake drum
Because the brake drum works in the harsh environment with strong friction and complex alternation of cold and heat. Therefore,
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Microstructure and properties of vanadium titanium gray cast iron with different composition
Brake drum is an important component of automobile drum brake and one of the main security parts of automobile. It
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Two dimensional wear of wear resistant cast steel for lining plate of cone crusher
Two dimensional wear is also considered as surface wear. At this time, the wear mainly occurs on a two-dimensional plane,
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Isothermal quenching and boronizing isothermal quenching of gray cast iron
Gray cast iron is an Fe-C-Si alloy containing graphite phase in pulse distribution. The annual output of castings in the
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Main casting methods of bimetallic composite lining plate
Bimetallic composite technology is becoming more and more widely used in the manufacture of wear-resistant materials. The fundamental reason lies
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One dimensional wear of wear resistant cast steel for lining plate of cone crusher
Dimensional wear, also known as phase change wear, mainly describes the microstructure evolution and work hardening in the normal direction
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Martensitic wear-resistant cast steel and bainitic Martian multiphase wear-resistant cast steel
The total amount of alloy of low alloy wear-resistant cast steel is less than 5%, and the total amount of
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Experimental results of impact abrasive wear of Bei Ma multiphase wear resistant cast steel for cone crusher liner after salt spray corrosion
In the three body impact abrasive wear test of the sample corroded by salt spray, the impact load is 2J,
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Research status of wear-resistant and modified ultra-high manganese steel for lining plate
The work hardening ability of high manganese steel depends on the size of stress. The yield strength of high manganese
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Experimental results of impact abrasive wear of Bei Ma multiphase wear resistant cast steel for cone crusher liner
The results of three body impact abrasive wear test are shown in Figure 1. It can be seen that the
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Experimental results of pin disc wear of bainite horse multiphase wear resistant cast steel for cone crusher liner
In the wear test of iron and steel materials, the wear resistance can be obtained by taking the reciprocal of
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Research status of wear-resistant and modified medium manganese iron and steel materials for lining plate
Austenitic Medium Manganese Steel is a new wear-resistant material obtained by reducing the content of manganese and adding a certain
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Wear resistance mechanism and experimental method of Bei Ma multiphase wear resistant cast steel for lining plate of cone crusher
(1) Pin disc wear test The purpose of pin disc wear test is to evaluate the comparison of wear resistance