Dual liquid pouring / mold transformation technology for wear-resistant castings
The bimetallic jaw wear-resistant castings were successfully wound by using the bimetallic liquid winding injection / transformation molding technology of […]
The bimetallic jaw wear-resistant castings were successfully wound by using the bimetallic liquid winding injection / transformation molding technology of […]
1. Ordinary white cast iron Ordinary white cast iron can only be used in as cast state, and carbon atoms
There are two traditional methods to obtain bainitic steel: (1) Isothermal quenching method: heat the steel to a certain temperature
As shown in Figure 1, the types of bainite structure include upper bainite, lower bainite, carbide free bainite, granular bainite,
The chemical composition has a great influence on the mechanical properties and microstructure of bainitic Martian multiphase wear-resistant cast steel.
The photos of the conical crusher liner before and after use taken at the workshop site are shown in Figure
Surface strengthening technology includes surface treatment, surface processing, surface coating, surface modification and thin film technology. Surface strengthening technology has
The total amount of alloy of low alloy wear-resistant cast steel is less than 5%, and the total amount of
In the three body impact abrasive wear test of the sample corroded by salt spray, the impact load is 2J,
The work hardening ability of high manganese steel depends on the size of stress. The yield strength of high manganese
The results of three body impact abrasive wear test are shown in Figure 1. It can be seen that the
In the wear test of iron and steel materials, the wear resistance can be obtained by taking the reciprocal of
Austenitic Medium Manganese Steel is a new wear-resistant material obtained by reducing the content of manganese and adding a certain
(1) Pin disc wear test The purpose of pin disc wear test is to evaluate the comparison of wear resistance
Observe the above samples tempered at different temperatures with optical metallographic microscope. Start at 250 ° C and take every
Manganese steel, as a large category of wear-resistant steel, mainly includes ordinary high manganese steel and modified high manganese steel.
In the quenched low-alloy high-strength wear-resistant steel, the strain energy and interface energy of quenched martensite are in a very
In order to evaluate the wear resistance and service life of Bei Ma multiphase wear-resistant cast steel lining plate, the
The shape and size of bainitic Martian composite wear-resistant cast steel lining plate are obtained by surveying and mapping the
The results of corrosion weight loss and corrosion rate of coupon samples after salt spray test at different times are
Four dimensional wear is also considered as corrosive wear, in which time is the fourth dimension outside the three-dimensional space.
A lot of research has been done on the changes of mechanical properties and microstructure of bainitic Martian multiphase wear-resistant
The experimental steel is smelted in the 25kg vacuum induction melting furnace (Fig. 1) of the Institute of engineering and
There are three main forms of damage and failure of iron and steel materials: fracture, corrosion and wear. Among them,
High chromium white cast iron or high manganese steel is usually used to cast wear-resistant parts such as grinding roller,
1. Improvement of structure From the actual failure of the bucket teeth, it is found that the tooth tip is
An ordinary sand casting process plan should include: selection of core method, the species in casting, pouring position ,type and sand core