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000019834 084__ $$2WoS$$aMaterials Science, Multidisciplinary
000019834 084__ $$2WoS$$aMetallurgy & Metallurgical Engineering
000019834 1001_ $$0P:(DE-Juel1)VDB92979$$aRöttger, A.$$b0$$uFZJ
000019834 245__ $$aMechanical properties of thermally sprayed Fe based coatings
000019834 260__ $$aLondon [u.a.]$$bManey Publishing$$c2011
000019834 300__ $$a973 - 982
000019834 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000019834 440_0 $$04205$$aMaterials Science and Technology$$v27$$x0267-0836$$y6
000019834 500__ $$aThe authors gratefully acknowledge financial support by the Deutsche Forschungsgemeinschaft within the project 'Thermisches Spritzen von Fe-Basis MMC' (DFG project no. TH531/6-1; VA163/4-1).
000019834 520__ $$aThe synthetic vanadinites (Pb(x)Ca(10-x))(VO4)6F2delta, 1 < x < 9, adopt a P6(3)/m apatite structure with 9.7590 (1) < or = a < or = 10.1179 (1) A and 7.0434 (3) < or = c < or = 7.4021 (1) A. The partitioning of calcium and lead over the AI(4f) and AII(6h) positions is nonstoichiometric with lead preferentially entering the larger AII site. High-resolution electron microscopy showed that samples annealed for 10 h at 1073 K are in disequilibrium with calcium- and lead-rich microdomains co-existing at unit-cell scales. For (Pb5Ca5)(VO4)6F2delta, sintering in excess of 2 weeks is required for the metals to order macroscopically. As annealing progresses, c/a, the partitioning coefficient kPb(AI/AII) and the AIO6 metaprism twist angle (phi) adjust cooperatively to enlarge the apatite channel, and thereby accommodate higher lead content. These results demonstrate that phi is a sensitive measure of disequilibrium and a useful device for monitoring changes in apatite topology as a function of composition.
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000019834 65320 $$2Author$$aHVOF
000019834 65320 $$2Author$$aTool steel
000019834 65320 $$2Author$$aWear resistance
000019834 65320 $$2Author$$aMechanical properties
000019834 65320 $$2Author$$aThermal spraying
000019834 65320 $$2Author$$aReview
000019834 650_7 $$2WoSType$$aJ
000019834 7001_ $$0P:(DE-Juel1)VDB1997$$aWeber, S.$$b1$$uFZJ
000019834 7001_ $$0P:(DE-Juel1)VDB90949$$aTheisen, W.$$b2$$uFZJ
000019834 7001_ $$0P:(DE-Juel1)VDB104516$$aRajasekeran, B.$$b3$$uFZJ
000019834 7001_ $$0P:(DE-Juel1)129670$$aVassen, R.$$b4$$uFZJ
000019834 773__ $$0PERI:(DE-600)2037367-3$$a10.1179/1743284710Y.0000000002$$gVol. 27, p. 973 - 982$$p973 - 982$$q27<973 - 982$$tMaterials science and technology$$v27$$x0267-0836$$y2011
000019834 8567_ $$uhttp://dx.doi.org/10.1179/1743284710Y.0000000002
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000019834 9131_ $$0G:(DE-Juel1)FUEK402$$aDE-HGF$$bEnergie$$kP12$$lRationelle Energieumwandlung$$vRationelle Energieumwandlung$$x0
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