Analysis and Solutions for Defects in QT900 – 5 Ductile Iron Crankshafts
1. Introduction The crankshaft is a crucial component in engines, especially in mining vehicles where it endures high – stress […]
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graphite cast iron
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Evaporative Pattern Casting of Ductile Iron Castings A Comprehensive Guide to Process Design, Defect Analysis, and Solutions
1. Introduction Evaporative pattern casting, also known as lost – foam casting, has gained significant popularity in the foundry industry
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Defect Analysis and Improvement Strategies of QT900-5 Ductile Iron Crankshafts
1. Introduction Crankshafts are crucial components in engines, especially in mining vehicles where they endure high – load and long
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Research on Casting Technology of Spiral Series Thick and Large Nodular Cast Iron Castings
Nodular cast iron, also known as ductile iron, is a type of graphite cast iron with excellent mechanical properties. It
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Production Process of Vermicular Graphite Cast Iron Cylinder Block
Introduction Vermicular graphite cast iron (VGI), known for its unique properties, is increasingly used in automotive industries, especially in manufacturing
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Trial production of a high strength graphite cast iron cylinder
With the improvement of domestic engine emission standards and the demand of high-power engines, the traditional gray cast iron cylinder
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Shrinkage and porosity of compacted graphite cast iron cylinder block
During the development of the cylinder block in the early stage, it was found that there was shrinkage defect at
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Performance of vermicular graphite cast iron cylinder block
Body sampling is required for vermicular graphite cast iron cylinder block. The sampling location and standard requirements are shown in
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Vermicular treatment process of vermicular graphite cast iron cylinder
The 12 t medium-frequency furnace of ABP Company is used to smelt molten iron, and the charge ratio is 20%~30%
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Chemical composition control of vermicular graphite cast iron cylinder
The material grade of 16L vermicular cast iron cylinder block is RuT450, element C is detected by thermal analyzer, element
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Trial production of vermicular graphite cast iron cylinder
1. Selection of smelting process According to the material test results, the chemical composition of vermicular graphite cast iron cylinder
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Trial-manufacture analysis of vermicular graphite cast iron cylinder
After the test, the macro fracture characteristics of the cylinder samples cast in each package were first checked. It was
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A Trial Production Scheme of High Strength Vermicular Graphite Cast Iron Cylinder
Mg RE Ca Si MgO 2 17.2 4.2 43.2 0.8 The test adopts 500 kg medium-frequency induction furnace melting, and
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Solidification process and graphite morphology of vermicular graphite cast iron
High purity pig iron, scrap steel, ferrochromium, ferrovanadium, ferromolybdenum and other master alloys are selected. Copper and tin are added
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Effect of rare earth and magnesium content on solidification process and graphite morphology of vermicular graphite cast iron
With the continuous development of marine low-speed diesel engine in the technical direction of high intensity, ultra-long stroke, ultra-high burst
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Graphite morphology of vermicular graphite cast iron in lost foam casting
The effects of vibration frequency and molten iron treatment temperature on graphite morphology and primary phase of vermicular graphite cast
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Cooling curve of flake graphite cast iron and nodular cast iron
The cooling curves of typical flake graphite cast iron and nodular cast iron are shown in the figure. It can
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Vermicular graphite cast iron pressure plate castings for automobiles
Automobile clutch pressure plate is an important part of clutch, which is of great significance to automobile driving safety. The
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Effect of vibration frequency on hardness of vermicular graphite cast iron
The figure shows the hardness change curve of vermicular graphite cast iron prepared under different vibration frequencies. It can be
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Effect of vibration frequency on matrix structure of vermicular graphite cast iron
The figure shows the matrix structure of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the
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Effect of vibration frequency on primary austenite of vermicular graphite cast iron
The figure below shows the morphology of primary austenite of cast iron prepared under different vibration frequencies. Figures (a) –
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Effect of vibration frequency on graphite morphology of vermicular graphite cast iron
The figure shows the graphite morphology of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the
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Effect of sample wall thickness on matrix structure of vermicular graphite cast iron
The figure shows the matrix structure of spiral cast iron with different wall thickness. Among them, figures (a) – (c)
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Effect of sample wall thickness on primary austenite of vermicular graphite cast iron
The figure shows the primary austenite structure of nodular cast iron with different wall thickness. Among them, figures (a) –
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Effect of sample wall thickness on graphite morphology of vermicular graphite cast iron
The figure shows the graphite morphology of vermicular graphite cast iron with different wall thickness. Among them, figures (a) –
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Effect of molten iron treatment temperature on graphite morphology of vermicular graphite cast iron
Y-shaped samples were used. The burden ratio was 85% of cast pig iron and 15% of Q235 steel. The addition
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Microstructure and properties of vermicular graphite cast iron by vibration lost foam casting
Compared with gray cast iron, graphite in vermicular graphite cast iron is short and thick, curved and worm like. Because
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Application field of vermicular graphite cast iron
Because vermicular graphite cast iron has the properties of both nodular cast iron and gray cast iron, it has unique
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Casting properties of vermicular graphite cast iron
The as cast matrix structure of vermicular iron is characterized by high ferrite content (40% ~ 50% or higher), but
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Graphite morphology of vermicular graphite cast iron
The grade of vermicular graphite cast iron is: rut + Digital. In the brand, “rut” is the capital prefix of