Research Progress on fatigue properties of vermicular graphite cast iron
It is found that the fatigue properties of cast iron are not directly related to the conventional mechanical properties of […]
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Fatigue crack growth zone of gray cast iron
The fatigue crack growth region is the region of stable development after fatigue crack nucleation and initiation. Fatigue bands generally
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Fatigue test method of infrared thermal imaging technology for metal casting materials
Metal fatigue test generally has a long test cycle and high test cost. In order to shorten the test time
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Selection and implementation of inoculant in lost foam casting spheroidizing process
In view of the problems of high pouring temperature and easy decay of inoculant in lost foam Castings, it is
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Research status of machinability of gray cast iron
As early as the 1940s, developed countries have studied the machinability of gray cast iron. Nowadays, the cutting performance of
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Origin region of fatigue crack in gray cast iron
The fatigue crack origin region is the region where the fatigue crack nucleates and initiates. The fatigue crack first nucleates
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Fatigue test of metal casting materials by lifting method
Lifting fatigue test is the most commonly used and accurate test method to detect the fatigue limit of metal materials
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Study on low cost and free cutting gray cast iron for engine cylinder block
With the development of thin-walled engine block, the engine bears higher and higher pressure, which requires higher strength and fatigue
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Effect of process on Machinability of gray cast iron
The machinability of gray cast iron is affected by different melting methods. From a large number of research and tests,
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Factors affecting mechanical properties of gray cast iron
Gray cast iron has the characteristics of low cost, good casting performance and shock absorption, The key to the further
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Tension compression fatigue test results of three grades of gray cast iron
(1) Fatigue test of ordinary HT250 lifting Faraday compression The lifting diagram of tension compression fatigue limit of ordinary HT250
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Classification of fatigue fracture in metal casting
The fatigue fracture process of metal casting includes fatigue crack nucleation and initiation, fatigue crack propagation and final instantaneous crack.
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Tension compression fatigue fracture morphology of gray cast iron with different surface roughness
The tension compression fatigue fracture morphology of low alloy HT250 with different surface roughness is shown in the figure. Figure
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Research status of gray cast iron at home and abroad
In order to improve the properties of gray cast iron and deeply develop the application of gray cast iron, many
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Effect of loading frequency on tensile compressive fatigue strength of gray cast iron
Results of tension compression fatigue test of low frequency gray cast iron Among the 8 samples of low-alloy HT250 low-frequency
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Properties of gray cast iron
Casting performance: it refers to some technological properties of whether the metal or alloy is suitable for casting, mainly including
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Tensile fracture morphology of three grades of gray cast iron
The low magnification morphology of tensile fracture of three grades of gray cast iron is shown in Figure 1. It
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Metallographic structure of gray cast iron
Gray cast iron usually refers to the cast iron with gray section and the carbon mainly exists in the form
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Tensile test results of gray cast iron
The tensile strength of ordinary HT250 at room temperature is slightly lower than the strength calibrated by its brand, which
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Tensile compressive fatigue properties of high strength gray cast iron
Gray cast iron refers to the cast iron with flake graphite. The main components are iron, carbon, silicon, manganese, sulfur
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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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Matrix structure of high strength gray cast iron
The matrix structure of three grades of gray cast iron samples is shown in the figure. It can be seen
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Inoculation treatment of grey cast iron
1. Characteristics of inoculation treatment So far, there is no consensus on the action mechanism of inoculation treatment at home
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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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Properties and characteristics of gray cast iron
1. Mechanical properties (1) Tensile strength: the tensile strength of gray cast iron is generally 100 ~ 350 MPa, which
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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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Melting and casting production control of vermicular graphite cast iron brake disc
1. Melting process of alloy vermicular graphite cast iron for brake disc (1) Raw materials and chemical composition Pig iron,
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Production of gray iron castings
Gray cast iron characterized by flake graphite has certain strength, hardness, elastic modulus, shock absorption, wear resistance and thermal conductivity,
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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