With the addition of a trace of rare earth element Y, microhardness of Cu-Cr-Zr alloy increases about 9HV, while electrical conductivity slightly decreases about 3%IACS.

• 而加入稀土元素Y后,使CuCrZr合金的显微硬度提高了约9HV,而导电率降低了约3%25IACS。