Floating graphite on top of Heavy Section Ductile Iron
In order to study the effect of composition on the morphology of thick and large section graphite, bulk sampling was […]
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ductile cast iron
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Effect of chemical composition on casting properties of ductile iron
The chemical composition directly affects the matrix structure and mechanical properties of nodular cast iron castings. Reasonable chemical composition is
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Formation mechanism and causes of metallographic defects in special parts of ductile iron
When the carbon content is increased to solve the shrinkage cavity and porosity defect, the top graphite floating and the
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Classification of common gating system for ductile iron cylinder
① According to the ratio of cross-sectional area, it is divided into closed gating system and open gating system. The
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Flow characteristics of each component in the gating system of ductile iron into cylinder
① The main function of the sprue is to guide molten iron into the runner or runner. According to the
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Prevention methods of non spheroidizing or bad spheroidizing defects of ductile iron parts
Features: the fracture surface of the casting is gray black, and the mechanical properties are obviously low. Through metallographic examination,
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Floating defect of graphite in ductile iron casting
Graphite floating means that there are a large number of graphite balls on the upper surface of the casting, and
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The slag inclusion in ductile iron casting
There are three types of slag addition: the first type of coarse slag is 2mg · SiO2 + MGS or
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Anticorrosive treatment of ductile iron pipe
Asphalt paint coating Asphalt paint coating is used to transport gas pipeline. Preheating the pipe before painting can improve the
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The precautions for riser and chill of ductile iron parts
As we all know, the quality of nodular cast iron is related to the material and technology used. Besides, the
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Main Properties of Ductile Iron
Ductile iron have almost been applied in many main industrial sectors, where high strength, good plasticity, excellent toughness and wear