How do copper alloys compare to pure copper in terms of machinability?

Copper alloys generally exhibit improved machinability compared to pure copper. The addition of other metals to copper in the alloying process enhances various properties that facilitate machining operations. For example, common alloying elements like tin, aluminum, or zinc can increase hardness and strength while maintaining good thermal and electrical conductivity.

Alloying elements can also create a more favorable microstructure that reduces the tendency for work hardening during machining, allowing for smoother cutting and less tool wear. This means that operators can achieve faster feed rates and longer tool life when working with copper alloys, making them easier to machine overall.

In applications where precise machining is critical, such as in the aerospace and electronics industries, the improved characteristics of copper alloys can significantly contribute to efficiency and productivity during the manufacturing process. Thus, the correct conclusion is that copper alloys are indeed easier to machine than pure copper.