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On the crystal orientation of electrodeposited metals

✍ Scribed by N.A. Pangarov


Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
412 KB
Volume
9
Category
Article
ISSN
0013-4686

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✦ Synopsis


On the basis of the theory of crystal growth, as developed by Stranskl and Kalshev and by Kaishev and Bhznakov, calculations have been made for the formation work W,,, of the twodimensional nuclei of metals with cubic, hexagonal and tetragonal lattices It 1s suggested that the preferred orlentatlon of the crystalhtes depends upon the work W,,, It IS shown that the onentatlon of the crystals of electrodeposited metals depends upon the overvoltage during the deposltlon of the metal Ions, z e upon the supersaturation Experimental results for copper, nickel, iron, cobalt and tm deposits are m agreement with the theoretical treatment The orlentatlon along two axes IS explained on the base of the proposed theory The Influence of the basis metal upon the orientation axis 1s also dlscussed R&m&-Calculs du travail de formation W,,, de germes bi-dimensionnels de metaux a reseaux cubique, hexagonal ou tetragonal, d'aprks la thCone de crolssance. cnstallme de Stranskl-Kalshev et Kalshev-Bhznakov Les onentatlons privd&@Ces des cnstalhtes paralssent en dependre 11 est demontre que l'onentatlon cnstallme des m6taux Blectrod&posts dtpend de la surtenslon, c'est-Adire de la sursaturatlon Les resultats expCnmentaux sont en accord avec les prevlslons theonques pour Cu, NI, Fe, Co, Sn et I'on dlscute l'mfluence de la nature du m&al de base sur l'axe d'onentatlon Zusammenfassung-Auf Grund der Knstallwachstumstheone, wle sle m den Arbelten von Stranskl und Kaishew und Kalshew und Bhznakov entwlckelt lst, wurden die Bddungsarbeiten der zweldlmenslonalen Kelme von Metallen nut kublschen, hexagonalen und tetragonalen Glttern berechnet Es wurde angenommen, dass die bevorzugte Orlentatlon der Knstalhte von der Bddungsarbelt W,,, abhangt Es wurde gezelgt, dass die Onentatlon der Knstalle der elektrolytlsch abgeschledenen Metalle von der uberspannung, d h von der 'Lfbersattlgung warend der Metallabscheldung abhanglg 1st Die expenmentallen Ergebmsse fur Kupfer, Nickel, Elsen, Cobalt und Zmn smd m guter uberemstunmung nut den Folgerungen der Theorle Die Onentatlon langs zwel Axen wurde auf Grund der vorgeschlagenen Theone erklart Es wurde such der Emfluss der Metallunterlage auf die Onentatlonsaxe dlskutlert


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