1. Application of rare earth Y, CE in AZ91 cast magnesium alloy The results show that the combined effect of Y, CE and Si on the as cast microstructure of AZ91 magnesium alloy can significantly refine the matrix grains of α – Mg phase, reduce the number of β...
1. Application of mixed rare earth in high temperature creep resistant die casting magnesium alloy In view of the poor high-temperature creep resistance of commercial die-casting magnesium alloy, a high-temperature creep resistance die-casting magnesium alloy was developed. The purpose of the development is that the high-temperature creep resistance of...
Y can improve the comprehensive mechanical properties of cast high magnesium alloy, refine the microstructure of rolled magnesium alloy, and improve the high temperature mechanical properties and creep resistance of magnesium alloy. 1. Application of yttrium in AZ91 cast magnesium alloy The properties of AZ91D magnesium alloy with y...
Nd is generally used to refine the grain and improve the mechanical properties of the cast magnesium alloy, and to improve the heat resistance of the magnesium alloy so that the magnesium alloy can be used at high temperature. 1. Application of Neodymium in ZM5 cast magnesium alloy X-ray...
In general, CE can purify the alloy, improve the mechanical properties of the alloy, refine the primary crystal phase of the alloy, and make the network eutectic smaller. The other role of CE is to strengthen the matrix by solid solution, and improve the comprehensive mechanical properties of the...
Rare earth elements are often added to the cast magnesium alloy to change the properties of the cast magnesium alloy, such as strength, creep resistance, heat resistance, corrosion resistance, and improve the ignition temperature in the melting process. La is widely used in casting magnesium alloy. It is generally...
Magnesium alloy has the characteristics of low density, high specific strength, good rigidity, high modulus of elasticity, as well as good electromagnetic shielding and cutting performance, so it is widely used in aerospace and modern electronic industry. Rare earth elements are located in the third group of periodic table....
1.Current situation Aluminum and magnesium are typical light metal materials. Aluminum alloy has relatively light weight, high specific tensile strength and specific modulus of elasticity, which is more and more widely used in automotive industry, aerospace and other fields. Magnesium alloy is the metal structure material with the smallest...
GD is generally used to improve the high temperature strength and microstructure of cast magnesium alloy, and also to improve the room temperature properties of the alloy. When rare earth GD is added to az21 cast magnesium alloy, the main phases are α – Mg and al2gd. With the...
Interfacial heat transfer coefficient of casting metals has a great influence on the casting solidification process. Especially in the process of casting metals, casting interface often comes into being gaps which are the control factors of heat transfer for solidification process. At the same time, the interfacial heat transfer...