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By Tatsuki Ohji, Mrityunjay Singh, Elizabeth Hoffman, Matthew Seabaugh, Gary Yang

With contributed papers from the 2011 fabrics technological know-how and Technology symposia, it is a beneficial one-stop source for knowing an important matters in advances in fabrics technology for environmental and effort applied sciences. Logically geared up and punctiliously chosen, the articles disguise the subjects of the symposia: eco-friendly applied sciences for fabrics production and Processing; fabrics technology demanding situations for Nuclear functions; fabrics for Nuclear Waste Disposal and Environmental Cleanup; strength Conversion/Fuel Cells; and effort garage: fabrics, structures and functions.

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5Ti[EXT923K]. 5Ti[EXT973K] as shown in Fig. 3 (c). 5Ti[EXT973K], since coarse Cu2TiZn IMCs were completely soluble in the matrix during pre-heating the billets before extrusion as shown in Fig. 2 (b), these fine particles in the matrix were precipitated from soluted Ti element in a-P phase during cooling after the extrusion. Figure 4 shows the grain distribution of a-P duplex phase structures on EXT923K and EXT973K in the parallel cross-section of the extrusion direction acquired by EBSD analysis.

Table II. 5Ti[EXT973K1 were obtained by EBSD analysis and tensile test Area . fraction (%) u r a m s l z e / ^ m UTS/MPa YS /MPa Elong. 5TirEXT973Kl Figure 5. 5Ti[EXT973K] (b). 5Ti ternary alloys which were solid solutionized and then extruded were investigated. 5 um in diameter. Particularly, a-phase consisted of fine grains due to the pining effect by the fine precipitation at the grain boundaries. The tensile test results indicated YS: 304 Advances in Materials Science for Environmental and Energy Technologies • 45 Microstructural and Mechanical Properties of the Extruded a-p Duplex Phase MPa, UTS: 543 MPa and 44 % elongation.

The microstrucrural observation and analysis of the cast and extruded cast specimens were carried out by an optical microscope (OM, BX-51P: OLYMPUS) and SEM-EDS (JSM-6500F: JEOL, EX64175JMU: JEOL). Back-scattered electron images (BSIs) acquired by SEM were used to evaluate the morphology of Bi particles dispersed in the extruded cast specimens. The number of Bi particles was measured by the image analyses of BSIs. For the electron back-scattered diffraction (EBSD) analyses, the specimens with dimension 10x7x3 mm were cut parallel to the extrusion direction from the extruded specimens.

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