N an alloy of zirconium containing small amounts of tin, chromium, and nickel. It is used in pressurized-water reactors 锆合金
The forming technique by spinning for the necking parts of zircalloy-4 guide tubes for nuclear reactors is described.
本文阐述核反应堆用锆-4合金导向管缩径段的旋压成型工艺。
Reports suggest there was a partial meltdown and that the zircalloy rods began to "bubble". This was why the reactors were flooded with sea water.
报告表明有一部分溶毁并且锆棒气泡化，因为反应堆被海水淹没。
This is when the uranium and the zircalloy fuel rods at the heart of the reactor melt. It occurs at temperatures above 2,200c, releasing highly radioactive particles.
当反应堆的核心铀和锆合金的燃料棒融化时，它需要2,200摄氏度的高温，同时释放大量辐射微粒。
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