Solidification Rate Influence on Microstructure of Composites with Quasicrystal Phase Fraction

Jacek Krawczyk; Włodzimierz Bogdanowicz

doi:10.4028/www.scientific.net/SSP.203-204.48

Paper Titles

Structural Aspects of Ferrite and Austenite Co-Deformation in Duplex Stainless Steel
p.28

Microstructural Analysis of a Thermomechanically Processed Si-Al TRIP Steel Characterized by EBSD and X-Ray Techniques
p.34

The Studies of Texture in Cold Rolled and Annealed Sheets of Mn-Al Steel
p.38

Nanostructured and Modulated Low-Dimensional Systems
p.42

Solidification Rate Influence on Microstructure of Composites with Quasicrystal Phase Fraction
p.48

Study of Alloys Ir_xRe_1-x(x = 0.65, 0.75 and 0.85)
p.55

Effect of Aging on the Microstructure and the Intergranular Corrosion Resistance of X2CrNiMoN25-7-4 Duplex Stainless Steel
p.59

Characterization of Single-Crystal Turbine Blades by X-Ray Diffraction Methods
p.63

The Analysis of the First Stage Tempering of the Medium Carbon Cr-Mn-Mo Alloy Steel
p.67

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Solidification Rate Influence on Microstructure of Composites with Quasicrystal Phase Fraction

Abstract:

The composites of Al₆₁Cu₂₇Fe₁₂ alloys containing quasicrystalline and crystalline phases (CQ composites) were obtained by the Bridgman method. The morphology of composites crystallized with different solidification rates was studied. The solidification rate influence on fibrous reinforcement morphology was analyzed. The microsections for analysis were prepared parallel and perpendicular to the direction of crystallization. The optical and the scanning electron microscope were used for metallographic observation. Obtained composites were examined by X-ray powder diffraction and reflective X-ray topography. The Laue method enabled to conclude that the matrix is singlecrystalline. The different level of structural perfection of reinforcement fibres was presented at various solidification rates.