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|Type:||Artigo de Periódico|
|Title:||Length Scale Of The Dendritic Microstructure Affecting Tensile Properties Of Al-(ag)-(cu) Alloys|
|Abstract:||The dependence of tensile properties on the length scale of the dendritic morphology of Al-Cu, Al-Ag and Al-Ag-Cu alloys is experimentally investigated. These alloys were directionally solidified (DS) under a wide range of cooling rates ((T)over dot), permitting extensive microstructural scales to be examined. Experimental growth laws are proposed relating the primary dendritic arm spacing, lambda(1) to (T)over dot. and tensile properties to lambda(1). It is shown that the most significant effect of the scale of lambda(1) on the tensile properties is that of the ternary alloy, which is attributed to the more homogeneous distribution of the eutectic mixture for smaller lambda(1) and by the combined reinforcement roles of the intermetallics present in the ternary eutectic: Al2Cu and nonequilibrium Ag3Al.|
|Subject:||Metals And Alloys|
|Editor:||WORLD SCIENTIFIC PUBL CO PTE LTD|
|Citation:||International Journal Of Modern Physics B. WORLD SCIENTIFIC PUBL CO PTE LTD, n. 30, n. 3, p. .|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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