Eutectic morphology of high strength gray cast iron
The eutectic morphology of three grades of gray cast iron samples is shown in the figure. Eutectic clusters in gray […]
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Graphite morphology of high strength gray cast iron
The figure shows the graphite morphology and distribution of three grades of gray cast iron samples. It can be seen
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Lifting Faraday compression fatigue test of gray cast iron
The tension compression fatigue tests of three grades of gray cast iron are carried out on plg-100 high frequency fatigue
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Inspection of nodular cast iron end cover castings after welding
After the above WPS preparation, WPQR welding procedure qualification test shall be carried out to determine the WPS process reliability.
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Low frequency tension compression fatigue test of gray cast iron
The low-frequency tension compression fatigue test of gray cast iron adopts MTS810 axial tension compression fatigue test machine. It uses
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Effect of microstructure hardness on black spot defect of diesel engine cast iron cylinder liner
Generally, the hardness of cylinder liner in the qualified layer is hb225 ~ HB240, and the overall hardness difference of
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Tension compression fatigue specimen of gray cast iron
The tension compression fatigue test of gray cast iron mainly studies the effects of loading frequency and surface roughness on
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Failure analysis of QT800-3 nodular cast iron crankshaft
As shown in Figure 1, cut the metallographic sample close to the crack source, and then conduct rough grinding, fine
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Tensile test on fatigue properties of gray cast iron
The test materials are three grades of gray cast iron, namely ordinary HT250, low alloy HT250 and HT300, in which
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Technological measures for reducing casting porosity defects in green sand casting of heavy vehicle cylinder head
1. Improvement of gating system 1.1 The intermediate injection water inlet is improved to the top injection water inlet At
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Single point fatigue test method for metal casting materials
Single point fatigue test is applicable to the service of metal components under rotating bending load at room temperature, high
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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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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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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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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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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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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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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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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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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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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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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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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
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Effect of tempering process on Microstructure of bainite Martian multiphase wear resistant cast steel for lining plate of cone crusher
Observe the above samples tempered at different temperatures with optical metallographic microscope. Start at 250 ° C and take every
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Effect of tempering process on mechanical properties of Bei Ma multiphase wear-resistant cast steel for lining plate of cone crusher
In the quenched low-alloy high-strength wear-resistant steel, the strain energy and interface energy of quenched martensite are in a very
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Analysis and solution of air hole defect of High Toughness Nodular Cast iron cylinder head
1. Cause analysis This type of cylinder head has special structure, high integration and complex production process. The number of
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Effect of quenching process on Microstructure of Bei Ma multiphase wear resistant cast steel for lining plate of cone crusher
Quenching process is an important part of the production process of iron and steel materials. The selection of quenching medium
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Effect of quenching and heat preservation process on Microstructure of bainite Martian multiphase wear resistant cast steel for lining plate of cone crusher
The metallographic structure photo of the sample is given in Fig. 1. Under various process parameters, the experimental steel obtained