Sentences with phrase «of zircaloy»

Under the extreme conditions of an accident, the corrosion rate was 100 to 1,000 times less than that of zircaloy.

Nuclear fuel rods are made of hundreds of small pellets of enriched uranium placed end - to - end inside hollow tubes of zircaloy that are about a half - inch across.

Not exact matches

That hydrogen buildup was the result of hot steam coming into contact with overheated nuclear fuel rods covered by a cladding of zirconium alloy, or «zircaloy» — the material used as fuel - rod cladding in all water - cooled nuclear reactors, which constitute more than 90 percent of the world's power reactors.

While zircaloy loses strength as temperature increases — becoming 2 percent weaker for every 10 C increase in temperature and losing all strength at about 1300 C, Stempien says — the strength of the SiC ceramic remains essentially constant to temperatures well above 1500 C.