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Titanium hydride normally refers to the inorganic compound TiH 2 and related nonstoichiometric materials. [1] [2] It is commercially available as a stable grey/black powder, which is used as an additive in the production of Alnico sintered magnets, in the sintering of powdered metals, the production of metal foam, the production of powdered titanium metal and in pyrotechnics.
The Gmelin rare earths handbook lists 1522 °C and 1550 °C as two melting points given in the literature, the most recent reference [Handbook on the chemistry and physics of rare earths, vol.12 (1989)] is given with 1529 °C.
Titanium(IV) hydride was first produced in 1963 by the photodissociation of mixtures of TiCl 4 and H 2, followed by immediate mass spectrometry. [1] Rapid analysis was required as titanium(IV) hydride is extremely unstable. Computational analysis of TiH 4 has given a theoretical bond dissociation energy (relative to M+4H) of 132 kcal/mole. [2]
TiCl 3 is produced usually by reduction of titanium(IV) chloride.Older reduction methods used hydrogen: [4]. 2 TiCl 4 + H 2 → 2 HCl + 2 TiCl 3. It can also be produced by the reaction of titanium metal and hot, concentrated hydrochloric acid; the reaction does not proceed at room temperature, as titanium is passivated against most mineral acids by a thin surface layer of titanium dioxide.
Many bismuth alloys have low melting points and are found in specialty applications such as solders. Many automatic sprinklers, electric fuses, and safety devices in fire detection and suppression systems contain the eutectic In 19.1 -Cd 5.3 -Pb 22.6 -Sn 8.3 -Bi 44.7 alloy that melts at 47 °C (117 °F) [ 19 ] This is a convenient temperature ...
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The tiny droplets are spherical and measure between 50 and 350 μm. The TGA process has been used to produce a wide variety of materials such as commercially pure (CP) titanium, conventional alpha-beta and beta alloys. [5] In plasma atomization (PA) process, a titanium wire is atomized by 3 inert gas plasma jets to form spherical metal powders.