During the past few years an extensive effort on the ad evelopment of Zr has been paid. Here the most reliable data for physical, chemical and mechanical properties are selected from the recently reported investigations and are shown.
The properties of Zr have been useful in electronics and now particuraly in nucleonics as the structure material of thermal reactor. On the other hand many atempts hae been made to use it as one of the alloying constituents, and the most successful result is the magnesium casting alloy for aircraft industry.