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, […]
Scientific
gray cast iron
News
Microstructure and properties of vanadium titanium gray cast iron with different composition
Brake drum is an important component of automobile drum brake and one of the main security parts of automobile. It
News
Isothermal quenching and boronizing isothermal quenching of gray cast iron
Gray cast iron is an Fe-C-Si alloy containing graphite phase in pulse distribution. The annual output of castings in the
News
Defects in heat treatment process of large gray iron castings
At present, with the development of marine engine to large-scale, the demand for large cylinder diameter, large tonnage and high-performance
News
Metallographic structure analysis of three grades of gray cast iron
(1) The graphite morphology of the three grades of gray cast iron samples is mainly type A, with a small
Scientific
Fatigue life curves of three grades of gray cast iron
(1) The fatigue life curve of ordinary HT250 is shown in Figure 1. (2) The fatigue life curve of low
Scientific
The coating for gray cast iron cylinder block is selected according to the core assembly process and sand core
The gray cast iron cylinder body adopts the traditional horizontal pouring process, the sand core is dipped with coating respectively
News
Selection and application of casting coating on gray cast iron cylinder
The casting coating is composed of five basic components: refractory aggregate, carrier, binder, suspending agent and additives. With the development
News
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
Scientific
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
Scientific
Comparison of corrosion resistance between nodular cast iron and gray cast iron
The mass fraction of carbon in iron is higher than 2%, while that of silicon is between 1% and 3%.
Scientific
The important role of adjusting sand mold temperature in large gray iron casting
In order to adjust the sand temperature, the air temperature must be considered. Although the curing reaction of resin sand
Scientific
Application of furan resin in large gray iron castings
Furan resin can be divided into urea formaldehyde furan resin, phenol urea formaldehyde furan resin, formaldehyde sugar alcohol resin and
Scientific
Size and position selection of cold iron for large gray iron castings
For the role of cold iron in the anti shrinkage process of castings, the sequential solidification theory and the equilibrium
Scientific
Design principle of riser for large gray iron castings
In the past, riser design basically followed the principle of sequential solidification, which needs to meet the following three conditions:
Scientific
Selection of riser size and location for large gray iron castings
The use of riser is one of the basic means to solve the shrinkage of casting. Although there are new
Scientific
The influence of metallurgical and modeling factors on shrinkage porosity
At present, there are many researches on the influence of metallurgical and molding factors on shrinkage cavity and porosity of
News
How to Correctly Select a Reasonable Casting Temperature during Manufacture of Gray Iron Foundry
I. Too High Casting Temperature will Greatly Increase its Rejection Rate. Too high casting temperature will make sand moulds inflate,
News
Some Causes of Forming Brittle Rupture Defects among Gray iron castings
Gray iron castings material can easily form a kind stress, which exceeds its own breaking strength, under external force. Therefore,
News
Importance of Gray Iron Casting In Machine Industry
During iron casting, we heat the pig iron until it is liquefied. Then we pour the melting iron into sand
News
Brief introduction to Gray Iron
Gray iron is one kind of cast iron that’s obtained in the first phase of one full graphitization. As all
News
Classifications of iron casting
Iron casting refers to iron carbon alloy casting with carbon content less than 2.11% which is majorly made of foundry iron.