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Hf
Hf symbol for the element hafnium .... Read more |
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hafnium
hafnium , metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227°C; b.p. 4,602°C; sp. gr. 13.31 at 20°C; valence +4. Hafnium is a lustrous, ductile, silvery metal with a hexagonal, close-packed crystalline structure. Its chemical properties are almost... Read more |
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Georg von Hevesy
Georg von Hevesy , 1885-1966, Hungarian physicist and chemist. He received the 1943 Nobel Prize in Chemistry for his work on the use of isotopes as tracers in studying chemical processes. Hevesy was the first to apply the radioactive tracer technique to biology, and he later used it in medical... Read more |
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Zirconium oxide
Zirconium Background Zirconium, symbol Zr on the Periodic Table, is a metal most often found in and extracted from the silicate mineral zirconium silicate and the oxide mineral baddeleyite. In its various compound forms, the grayish-white zirconium is the nineteenth most... Read more |
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anneal
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texture
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investigation
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annealing
annealing , process in which glass, metals, and other materials are treated to render them less brittle and more workable. Annealing consists of heating the material and then cooling it very slowly and uniformly; the time and temperatures required in the process are set according to the properties... Read more |
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catastrophic evolution
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progressive evolution
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No reference documents or articles match the search term Investigation of the annealing texture evolution in hafnium
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