Application of mixed rare earth in casting magnesium alloy
1. Application of mixed rare earth in high temperature creep resistant die casting magnesium alloy In view of the poor […]
1. Application of mixed rare earth in high temperature creep resistant die casting magnesium alloy In view of the poor […]
It is beneficial to obtain castings with clear contour, precise shape, smooth surface and intact internal structure by mastering the
Y can improve the comprehensive mechanical properties of cast high magnesium alloy, refine the microstructure of rolled magnesium alloy, and
With the rapid development of automotive industry in recent years, in order to protect the environment, automotive manufacturers are striving
Nd is generally used to refine the grain and improve the mechanical properties of the cast magnesium alloy, and to
Vermicular graphite iron is an engineering material which was applied in 1970s. It has been applied in many fields and
In general, CE can purify the alloy, improve the mechanical properties of the alloy, refine the primary crystal phase of
During the extensive use of Ferritic Ductile iron, nickel is often added to improve its heat resistance. When the content
Rare earth elements are often added to the cast magnesium alloy to change the properties of the cast magnesium alloy,
Casting steel of supercritical unit steam turbine block is one of the important parts of thermal power unit. High-pressure inner
Ductile iron with ferrite matrix has certain strength, good impact toughness and plasticity, which can be obtained as-cast or by
Based on the fact that squeeze casting can form complex thick wall castings with dense internal structure and solution heat
In the 1940s, some scientific workers found that adding Ce, Mg and other elements into FERROCARBON alloys and nickel-carbon alloys
Semi solid processing is a new technology with rapid development at present. Due to the high quality characteristics of squeeze
1.Cause analysis and improvement measures It is analyzed that the main causes of casting scrap are: uncontrolled melting process, high
Magnesium alloy has the characteristics of low density, high specific strength, good rigidity, high modulus of elasticity, as well as
Every foundry enterprise must first comply with the law and must meet emission standards to protect the environment.The requirement for
In today’s society, people’s understanding of environmental protection and their own health is constantly deepened, and the emission requirements of
1. Foundry Technology The casting modulus is 4.29 cm, the quality of molten iron is 11 500 kg, the pouring
The author develops and produces 5 MW wind turbine castings for a domestic customer, of which the input hollow shaft
In general, as long as the process and tooling are set reasonably, the extrusion casting can be solution treated, but
According to the test results of the support plate, the microstructure and mechanical properties of the normal position are qualified,
Comparing cupolas with induction furnaces, you can see that both are good equipment, but they cannot be used in all
1.Determination of pouring mode According to the current manufacturers of large-scale normal roll, due to the limitation of equipment, operation
With the transformation and upgrading of rolling equipment in China, the rolling mill is developing towards automation, continuity and heavy-duty,
In recent years, the development of squeeze casting technology is still inseparable from the theme of improving product quality and
The support plate is a part of the truck suspension part, also known as the support arm, connecting plate, etc.
Cast iron smelters must be selected according to process and production management requirements.In summary, these requirements are as follows: 1)
In order to ensure the performance of turbocharger shell at 1050 ℃, a high nickel (20wt%) austenitic steel ASTM HK40
There is no doubt that the equipment demand of sandstone industry will increase substantially. However, there will be some new