Q: What are the different types of high strength and toughness magnesium alloy casting?
A: There are several types of high strength and toughness magnesium alloy castings that have been researched and developed. Some of the commonly studied types include AZ91D, ZK60A, WE43, and Elektron 21.
Q: What are the specifications and properties of AZ91D magnesium alloy casting?
A: AZ91D is a widely used magnesium alloy casting with high strength and toughness. It typically consists of 9% aluminum and 1% zinc. This alloy offers good corrosion resistance, high impact strength, and excellent castability. Its ultimate tensile strength can range from 230 to 280 MPa, while its yield strength is around 130 MPa. The elongation at break is approximately 3-4%.
Q: Tell me about the specifications and properties of ZK60A magnesium alloy casting.
A: ZK60A is another high strength and toughness magnesium alloy casting. It is composed of 5.5-6.5% zinc and small amounts of zirconium and rare earth elements. This alloy exhibits excellent creep resistance, impact strength, and good castability. The ultimate tensile strength of ZK60A can reach up to 330 MPa, with a yield strength of around 250 MPa. It has an elongation at break of approximately 3-5%.
Q: What are the characteristics of WE43 magnesium alloy casting?
A: WE43 is a high strength and toughness magnesium alloy casting that contains 4% yttrium and 3% rare earth elements. This alloy offers exceptional mechanical properties, including high tensile strength, good creep resistance, and excellent ductility. Its ultimate tensile strength can range from 300 to 380 MPa, with a yield strength of approximately 230 MPa. The elongation at break is around 10-15%.
Q: Can you provide information about Elektron 21 magnesium alloy casting?
A: Elektron 21 is a high strength and toughness magnesium alloy casting that is composed of 2% aluminum, 1% zinc, and small amounts of rare earth elements. It is known for its excellent mechanical properties, such as high tensile strength, good creep resistance, and improved corrosion resistance. The ultimate tensile strength of Elektron 21 can reach up to 350 MPa, with a yield strength of around 200 MPa. It has an elongation at break of approximately 8-10%.
In summary, high strength and toughness magnesium alloy castings have been extensively studied, and different types, such as AZ91D, ZK60A, WE43, and Elektron 21, have been developed. Each type has its own specifications and properties, offering a range of mechanical strengths and characteristics suitable for various applications.