释义 |
zircaloy|ˈzɜːkəlɔɪ| Also zircalloy. [f. zirconium + alloy n.] Any of several alloys of zirconium, tin, and other metals that are used chiefly as cladding for nuclear reactor fuel.
1956Thomas & Forscher in Jrnl. Metals VIII. 640/1 Zircaloy-2, a low alloy of zirconium, was developed by the Westinghouse Atomic Power Div. during 1952. 1963H. R. Clauser Encycl. Engin. Materials & Processes 769/1 Zircaloy resists corrosion very well in high⁓temperature water and steam. 1973Nature 2 Feb. 318/1 The rods are zirconium alloy (zircalloy) tubes filled with pellets of uranium dioxide (UO2) ceramic. 1977J. H. Schemel ASTM Manual on Zirconium & Hafnium (ASTM Special Technical Publ. No. 639) i. 6 Zircaloy is used to designate a series of zirconium, tin, iron, chromium, nickel alloys developed by the U.S. Navy Nuclear Propulsion Program for nuclear service in water⁓cooled reactors. Zircaloy-1 and Zircaloy-3 are obsolete. Zircaloy-2 and Zircaloy-4 are the most commonly used alloys in nuclear service. |