Study on oxidation resistance of ductile iron
With the continuous progress of society, atmospheric warming and environmental pollution have attracted more and more attention around the world. […]
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Structure and technical requirements of brake caliper casting
Subcutaneous porosity is a common casting defect of nodular iron castings. The moisture in molding sand, resin in sand core,
Scientific
Study on as-cast structure and microhardness of ductile iron
Alloy cast iron is an iron-carbon cast alloy with some other elements added. It is often made by melting some
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Research on Thermal Fatigue Resistance of Ductile Iron
Ductile iron is commonly used to make structural parts on mechanical parts and equipment, mainly due to its relatively low
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Interpretation of the 13th five year plan for the development of foundry industry
China’s foundry industry has been developing steadily since the 12th Five Year Plan, but its growth rate has slowed down
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Cast Structure and Structure of High Nickel Ductile Iron for Automotive Exhaust Manifold
The as-cast microstructure of high nickel ductile iron observed under a microscope is shown in the figure.The graphite spheroidization of
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Analysis on the improvement of the casting process of 750 large ductile iron pump body
1.Analysis of the reasons for the failure of the original process 1.1 cause analysis of shrinkage and porosity The riser
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Development of High Strength Gray Cast Iron Automotive Exhaust Manifold
The strength of gray cast iron is mainly determined by graphite shape, size, pearlite in matrix and ferrite proportion. With
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Cast Structure and Structure of High Silicon Molybdenum Ductile Iron for Automotive Exhaust Manifold
The figure shows the original as-cast structure of high silicon-molybdenum ductile iron. From Figure a, it can be seen that
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Experimental material design of heat resistant cast iron for automobile exhaust manifold
The structure of the material determines the performance of the material, and the matrix structure of the material is often
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Problems in squeeze casting industry in China
1. Understanding of Squeeze Casting Technology As a process technology, squeeze casting has been widely used in production, but many
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Application of other cast heat-resistant aluminum alloy in engine
Al-Mg cast aluminum alloy is also known as corrosion-resistant cast aluminum alloy, which has the advantages of high corrosion resistance,
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Network intelligent casting technology, production and quality integration technology
1.Current situation The network manufacturing mode of foundry enterprises refers to a new mode that foundry enterprises adopt information technology
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Development direction of automobile exhaust system
With the improvement of engine efficiency and environmental protection requirements, it is required to improve the heat and corrosion resistance
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The development goal of becoming a powerful country in foundry industry
The 13th five year development plan for foundry industry (hereinafter referred to as the plan) predicts that the medium and
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Attempt to New Casting Materials for Automotive Exhaust Manifold
In view of the change of exhaust temperature of automobiles, the materials used in the exhaust manifolds of automobiles are
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Development of Grey Cast Iron Automotive Exhaust Manifold
With the development of the automobile industry, the exhaust temperature of the engine is increasing continuously, which leads to the
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Low Temperature High Impact Performance Test of Precision Casting QT450-10 for Automotive Parts
By controlling chemical composition, optimizing and improving the spheroidizing incubation process, the graphite grade and size of QT450-10 can be
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Application of cast Al-Cu alloy in engine
Al-Cu system cast aluminum alloy is the earliest used casting alloy, which has high heat treatment effect and thermal stability.
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Coupling numerical simulation technology of multi-scale macro and micro structure of high performance cast iron
1.Current situation Cast iron plays an extremely important role in China’s national economy and even in the world’s manufacturing industry.
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Development and Application Status of Cast Iron Melting Furnace at Home and Abroad
Casting alloys must be melted first, then injected into the molds and cooled to the characteristics of the castings, making
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Key technology of improving casting quality of machine tool
At present, the majority of machine tool castings are still gray cast iron. The practice at home and abroad has
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Problems and gaps in the production of machine tool castings in China
For a long time, the material of machine tool casting in China is gray cast iron, and the standard of
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Development trend of special casting technology
Due to the improvement of casting quality, casting precision, casting cost and casting automation, the future casting industry will develop
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Low Temperature and High Impact Properties of Precision Casting QT450-10 for Automotive Parts
With the improvement of performance requirements of automobile parts for ductile iron parts, its material brand and performance exceed the
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Overview of steering knuckles for automotive components
In the current economic development, the number of vehicles purchased by people and used for transportation is increasing day by
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Application of squeeze casting technology in other fields
Squeeze casting technology has been used in the production of pneumatic instruments for many years. It is mainly used for
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Analysis and diagnosis of abnormal noise of rear axle of tractor chassis
(1) The main causes of rear axle abnormal noise are as follows: The bearing is loose and damaged; the gear
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The method of obtaining A-type graphite from high strength gray cast iron
The traditional method of high strength gray iron is to reduce the eutectic degree, to increase the austenite content and
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The goal of high strength gray cast iron is to have graphite in A-shape distribution
Based on the above description of graphite distribution shape, the following conclusions can be drawn: (1) F-type graphite is only