ZK60

ZK60 is a magnesium-based alloy belonging to the ZK family, characterized by the combination of zinc and zirconium as major alloying elements in a magnesium matrix. The designation highlights the Zn and Zr components, and the exact composition can vary by producer, but the alloy is generally formulated to achieve higher strength and improved thermal stability compared with base magnesium alloys.

In practice, ZK60 is produced in both cast and wrought forms and can be processed by common metalworking methods such as extrusion, forging, and casting. It is typically subjected to heat treatment to enhance strength, often involving solution treatment followed by aging to achieve a temper suitable for structural applications. The precise heat-treatment regime depends on the desired properties and the manufacturing route.

The alloy offers a favorable strength-to-weight ratio and better creep resistance at elevated temperatures relative to some other magnesium alloys. These attributes make ZK60 suitable for components that benefit from light weight, such as structural parts in automotive and aerospace applications, as well as certain sporting goods and machinery housings. However, like many magnesium alloys, ZK60 can be susceptible to environmental corrosion and requires protective coatings or proper alloying practices to maximize durability. Weldability is a consideration in design, with welding procedures and post-weld treatment often necessary to maintain performance.

Overall, ZK60 is chosen when higher strength and thermal stability are required from a lightweight metal, with its use balanced against corrosion considerations and processing requirements.