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1101. http://www.issp.ac.ru/libm/papers/222.pdf
... In polycrystals and Zn bicrystals (two [10 1 0] tilt GBs with misorientation angles = 19° and 66°, and one [11 2 0] tilt GB with misorientation angle = 79°, wetting by the In-rich melt). ... At least 100 GBs were analyzed at each temperature. ... Fig. ... The comparison with Fig. 4 reveals, that both tilt GBs with low and high misorientation angles of 16° and 60° become wetted in the temperature interval when the majority (about 50 to 60%) of all GBs in a ZnґSn polycrystal are already wetted. ...
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Ссылки http://www.issp.ac.ru/libm/papers/222.pdf -- 301.0 Кб -- 05.03.2013
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1102. http://www.issp.ac.ru/libm/papers/221.pdf
... Grain boundary (GB) segregation in binary systems was traditionally classified into two types: the Langmuir-McLean (LM) and Fowler-Guggenheim (FG) types which differ in the continuity of temperature- or concentration-dependence of impurity amount at GBs. ... It was suggested from this new isotherm that a binary system with solute segregation less than one monolayer at general GBs obey the LM type, no matter how high the interchange energy is. ... The schemes of both types are plotted as Fig. ...
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Ссылки http://www.issp.ac.ru/libm/papers/221.pdf -- 69.6 Кб -- 05.03.2013
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1103. http://www.issp.ac.ru/libm/papers/218eng.pdf
... Grain Boundary Wetting in the AlґMg System and Synthesis of Magnesium Diboride in Contact with Melt B. B. Straumala, A. S. Gornakovaa, A. A. Mazilkina, A. B. Straumala, A. N. Nekrasovb, E. P. Condreac, A. S. Sidorenkoc, and A. V. Surduc b Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia e mail: a.str@bk.ru Institute of Experimental ... In this state (Fig. 1), liquid interlayers in equilibrium sep arate solid phase grains. ... Fig. ...
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Ссылки http://www.issp.ac.ru/libm/papers/218eng.pdf -- 308.8 Кб -- 05.03.2013
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1104. http://www.issp.ac.ru/libm/papers/216.pdf
Chapter 8 Grain Boundary Phase Transformations in Nanostructured Conducting Oxides B.B. Straumal, A.A. Myatiev, P.B. Straumal, and A.A. Mazilkin Abstract Nanostructured conducting oxides are very promising for various applications like varistors (doped zinc oxide), electrolytes for the solid oxide fuel cells (SOFC) (ceria, zirconia, yttria), semipermeable membranes, and sensors (perovskite-type oxides). ... 8 Grain Boundary Phase Transformations in Nanostructured Conducting Oxides 87 References 1. ...
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Ссылки http://www.issp.ac.ru/libm/papers/216.pdf -- 646.1 Кб -- 05.03.2013
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1105. http://www.issp.ac.ru/libm/papers/214.pdf
PHYSICAL REVIEW B 79, 205206 2009 Magnetization study of nanograined pure and Mn-doped ZnO films : Formation of a ferromagnetic grain -boundary foam Boris B. Straumal,1,2,3 Andrei A. Mazilkin,1,2 Svetlana G. Protasova,1,2 Ata A. Myatiev,3 Petr B. Straumal,3,4 Gisela ... Magnetization curves for pure ZnO films demonstrate hysteresis with coercive fields Hc of about 0.02 T for the ZnO film on sapphire substrate Fig. 4 a and Hc of about 0.01 T for the ZnO film on Al substrate Fig. 4 b . ...
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Ссылки http://www.issp.ac.ru/libm/papers/214.pdf -- 555.7 Кб -- 05.03.2013
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1106. http://www.issp.ac.ru/libm/papers/212.pdf
... personal copy Available online at www.sciencedirect.com Journal of the European Ceramic Society 29 (2009) 1963ґ1970 Increase of Mn solubility with decreasing grain size in ZnO Boris Straumal b a,b, , Brigitte Baretzky a , Andrei Mazilkin b , Svetlana Protasova b , Ata Myatiev c , Petr Straumal c,d a Max-Planck-Institut fЭr Metallforschung, Stuttgart, Germany Institute of Solid State Physics, Russian Academy of Sciences ... The grain size in this film is about 20 nm. ... Acta Mater., ...
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Ссылки http://www.issp.ac.ru/libm/papers/212.pdf -- 460.9 Кб -- 05.03.2013
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1107. http://www.issp.ac.ru/libm/papers/211.pdf
... 4, Moscow 119991, Russia article info abstract The microstructure, phase composition, MЖssbauer spectra and magnetic properties of nine binary FeґC alloys with carbon concentrations between 0.05 and 1.7 wt.% were studied in the as-cast state, after a long annealing at 725 C and after high-pressure torsion (HPT) at ambient temperature and 5 GPa with five anvil rotations (shear strain about 6). ... Only Fe3 C (cementite) and -Fe remain in the alloys after HPT. ... C alloy. ... C alloy after HPT. ...
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Ссылки http://www.issp.ac.ru/libm/papers/211.pdf -- 497.4 Кб -- 05.03.2013
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1108. http://www.issp.ac.ru/libm/papers/210.pdf
Section I: Basic and Applied Research JPEDAV (2009) 30:254ґ257 DOI: 10.1007/s11669-009-9505-2 1547-7037 сASM International Study on the Solidus Line in Sn-Rich Region of Sn-In Phase Diagram C.-H. Yeh, L.-S. Chang, and B. Straumal (Submitted November 21, 2008) Binary phase diagrams are important tools for designing desired alloys. In the Sn-rich region of the Sn-In alloy phase diagram, the solidus line appears as a dotted line in current literature plots to indicate uncertainty. ...
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Ссылки http://www.issp.ac.ru/libm/papers/210.pdf -- 405.2 Кб -- 05.03.2013
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1109. http://www.issp.ac.ru/libm/papers/208rus.pdf
... DG P? ?Q 1 ' Ы #A c% # 2О И 1 2Н gМ }А є' 4ы іы 4ь DЦ ?" ії ё є іu P Rm k di 3 Fi єy (u jo zs rq o Dn ?m (l ji 3h Fi y ? r P em p (~ 0| {h zi ?l i ?h y (u o ts іq o #n tm ?l ji kh ji h (a) 500 ?m 200 ?m (d) (b) 500 ?m 200 ?m Дeп ($ #A #A @ a W e 0 р cS ї ai aq T aw gq a u cw r dy e y d cd Л іx іS ё &x a 9t U 0у їr ? s a a &X & &U 9$ ?8 №% 21 0) (' t Єn (U #$ %$ Dї ?" ! ...
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Ссылки http://www.issp.ac.ru/libm/papers/208rus.pdf -- 2857.3 Кб -- 05.03.2013
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1110. http://www.issp.ac.ru/libm/papers/208eng.pdf
... First Observation of a Wetting Phase Transition in Low-Angle Grain Boundaries B. B. Straumala, B. S. Bokshteinb, A. B. Straumalb, and A. L. Petelinb b Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432 Russia e-mail: straumal@issp.ac.ru State Technological University "Moscow State Institute of Steel and Alloys," Leninskioe pr. ... In the second case, each dislocation of the low-angle grain boundary is replaced by a tube of the liquid phase (melt). ...
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Ссылки http://www.issp.ac.ru/libm/papers/208eng.pdf -- 356.8 Кб -- 05.03.2013
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1111. http://www.issp.ac.ru/libm/papers/207.pdf
... copy Available online at www.sciencedirect.com Acta Materialia 56 (2008) 6246ґ6256 www.elsevier.com/locate/actamat Increase of Co solubility with decreasing grain size in ZnO B.B. Straumal a,b,c,* , A.A. Mazilkin b, S.G. Protasova b, A.A. Myatiev c, P.B. Straumal c,d, B. Baretzky a b c a Max-Planck-Institut ... Solubility limit of Co in ZnO polycrystals with grain sizes between 100 and 1000 nm [14,26ґ47] Solid symbols correspond to the single-phase samples. ... Appl Phys Lett 2006;89:022508....
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Ссылки http://www.issp.ac.ru/libm/papers/207.pdf -- 517.3 Кб -- 05.03.2013
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1112. http://www.issp.ac.ru/libm/papers/206.pdf
... On heating of HPT-deformed samples from room temperature to 300 °C, Zn grains dissolved, and a relatively fine-grained (Al) equilibrium solid solution formed. Differential scanning calorimetry curves reveal two-stage melting in the AlґZn alloys studied, i.e., the melting of the (Al) solid solution starts 10ґ25 °C below the bulk solidus line. ... Zn alloy after HPT. ... In Fig. 5, the high-temperature part of the AlґZn bulk phase diagram close to the Al melting point is shown [16]. ... Fig. ...
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Ссылки http://www.issp.ac.ru/libm/papers/206.pdf -- 598.5 Кб -- 05.03.2013
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1113. http://www.issp.ac.ru/libm/papers/204.pdf
PHYSICAL REVIEW B 78, 054202 2008 Continuous and discontinuous grain-boundary wetting in ZnxAl1- x Boris B. Straumal ,1,2 Alena S. Gornakova,1 Olga A. Kogtenkova,1 Svetlana G. Protasova,1 Vera G. Sursaeva,1 and Brigitte Baretzky2 1 Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow District 142432, Russia 2 Max-Planck-Institut fЭr Metallforschung ... FIG. ... 1 .53 The minimum temperature of GB wetting phase transition for Al/Al GBs is TwGB0% = 440 ° C Fig. ...
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Ссылки http://www.issp.ac.ru/libm/papers/204.pdf -- 464.0 Кб -- 05.03.2013
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1114. http://www.issp.ac.ru/libm/papers/203.pdf
INFLUENCE OF STRONG DISORDER ON SUPERCONDUCTIVITY OF MgB2 THIN FILMS Th. ... D-91058, Erlangen, Germany (Received 12 May 2008) Abstract We investigated the influence of disorder on superconductivity of MgB2 films, prepared in a single deposition run onto two different substrates: (100)-MgO and on (128° rot)-LiNbO3 with trigonal crystal structure which does not match to the MgB2 structure. ... Fig. ... REM image of MgB2 film deposited on MgO substrate. ...
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Ссылки http://www.issp.ac.ru/libm/papers/203.pdf -- 788.9 Кб -- 05.03.2013
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1115. http://www.issp.ac.ru/libm/papers/202.pdf
... 3, 2008 253 Distribution of impurities and minor components in nanostructured conducting oxides B. Straumal* Institute of Solid State Physics Russian Academy of Sciences Chernogolovka, Moscow Distr. ... Grain boundary (GB) phases crucially determine the properties of nanograined-oxides. ... The electrical properties of these oxides, especially of nanostructured ones, are crucially determined by the structural and chemical characteristics of the grain boundaries (GBs). ... 1999; Straumal et al., ...
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Ссылки http://www.issp.ac.ru/libm/papers/202.pdf -- 1190.1 Кб -- 05.03.2013
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1116. http://www.issp.ac.ru/libm/papers/201.pdf
//www.scientific.net ? (2008) Trans Tech Publications, Switzerland Online available since 2008.02.11 Evaluation of the Coverage Pattern on the Fracture Surface of BiEmbrittled Cu Grain Boundaries by Means of Auger Electron Spectroscopy Department of Materials Engineering, National Chung Hsing University, 250 Kuo Kuang Road, 40227 Taichung, In studying grain boundary segregation in CuґBi alloys by means of Auger electron spectroscopy samples must be broken in-situ. ...
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Ссылки http://www.issp.ac.ru/libm/papers/201.pdf -- 222.7 Кб -- 05.03.2013
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1117. http://www.issp.ac.ru/libm/papers/200.pdf
Available online at www.sciencedirect.com Acta Materialia 56 (2008) 2728ґ2734 www.elsevier.com/locate/actamat Effect of faceting on grain boundary motion in Zn Vera G. Sursaeva a, Boris B. Straumal a, Alena S. Gornakova a, Lasar S. Shvindlerman b, Gunter Gottstein b,* ? a b Institute ... in revised form 31 January 2008; accepted 2 February 2008 Available online 14 March 2008 Abstract The impact of faceting on the motion of a high-angle grain ... Acta Materialia 56 (2008) 2728ґ2734 2729 Fig. ...
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Ссылки http://www.issp.ac.ru/libm/papers/200.pdf -- 546.5 Кб -- 05.03.2013
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1118. http://www.issp.ac.ru/libm/papers/198.pdf
sciencedirect.com International Journal of Refractory Metals Hard Materials 26 (2008) 583ґ588 www.elsevier.com/locate/IJRMHM Hardmetals with nanograin reinforced binder : Binder fine structure and hardness I. Konyashin a,* , B. Ries a, F. Lachmann a, R. Cooper a, A. Mazilkin B. Straumal b,c, A. Aretz d, V ... A model sample with 50% Co simulating the binder of the Master Grades was also prepared. ... Microstructure of the model sample simulating the binder of the Master Grades. ...
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Ссылки http://www.issp.ac.ru/libm/papers/198.pdf -- 911.4 Кб -- 05.03.2013
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1119. http://www.issp.ac.ru/libm/papers/197.pdf
... The GB and TJ wetting tie-lines can continue in one-phase area of the bulk phase diagram as a GB or TJ solidus line. ... Between bulk solidus and GB or TJ solidus the metastable Zn-rich m -phase was observed in the GB triple junctions of quenched samples. ... Thick solid lines denote bulk phase equilibria [4]. ... If the alloys are slightly below the solidus line, i.e. in the (Al) area of the bulk phase diagram (marked as 3 in Fig. 1), a thin layer of the liquid-like phase can be formed in GBs. ...
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Ссылки http://www.issp.ac.ru/libm/papers/197.pdf -- 489.9 Кб -- 05.03.2013
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1120. http://www.issp.ac.ru/libm/papers/195.pdf
Available online at www.sciencedirect.com Acta Materialia 56 (2008) 925ґ933 www.elsevier.com/locate/actamat Wetting transition of grain-boundary triple junctions B.B. Straumal b c a,b,* , O. Kogtenkova b, P. Zie a b c a Max-Planck-Institut fur ... 12 August 2007; received in revised form 7 October 2007; accepted 9 October 2007 Available online 11 January 2008 Abstract The wetting phase transition of grain boundaries ( GBs ) and grain-boundary triple junctions (GB ... GBs were present. ... Fig. ...
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Ссылки http://www.issp.ac.ru/libm/papers/195.pdf -- 733.2 Кб -- 05.03.2013
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