Using the phase diagram of Figure 4.8: (a) State how you would attempt to prepare a solid
Question:
Using the phase diagram of Figure 4.8:
(a) State how you would attempt to prepare a solid polycrystalline sample of ZrW2O8.
(b) State how you would attempt to grow single crystals of ZrW2O8.
Figure 4.8
Transcribed Image Text:
temperature (C) 1400 1300 1200 1100 1000 900 0.0 ZrO ZrO ss tet ZrO2 ss tet + Liquid ZrO2 ss tet 2 ss tet + ZrW08 ZrO2 ss mon + ZrW Og ZrO 2 ss mon ZrW08 0.2 Liquid ZrO ss mon + WO3 0.6 0.4 mole fraction WO3 Liquid WO3 + Liquid ZrW08 + WO3 0.8 1.0 WO3
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From Figure 48 ZrW 2 O 8 is thermodynamically stable between 1105 and 1257 C One can therefore sinte...View the full answer
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Related Book For
Solid State Materials Chemistry
ISBN: 9780521873253
1st Edition
Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt
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