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Article
Dislocation structure in low-angle interfaces between bonded Si(001) wafers
Dislocation structures of interfaces between bonded (001) Si wafers with co-existing low-angle twist and tilt misorientations were studied by transmission electron microscopy. At dominating twist, a square scr...
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Article
New layer transfers obtained by the SmartCut process
The SmartCut process was first developed to obtain silicon-on-insulator (SOI) materials. Now an industrial process, the main Unibond SOI-structure trends are reported in this paper. Many material combinations ...
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Chapter
Mechanical Properties of Carbon-Carbon Composites
Carbon fibre reinforced carbon-matrix composites (C/C) are now applied as structural materials in aerospace applications and in the space plane because of their high specific strength and specific modulus. C/C...
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Article
Divorced eutectic and interface characteristics in a solidified YAG-spinel composite with spinel-rich composition
Solidified microstructures of YAG (Y3Al5O12)-spinel (MgAl2O4) composite with spinel-rich composition (YAG : spinel = 1 : 30 molar ratio) were investigated. Intergranular YAG divorced eutectic exhibiting fine-grai...
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Article
Atomic structure of Al/Al interface formed by surface activated bonding
Single crystalline Al crystals were bonded via surface activated bonding at room temperature with the crystallographic orientation of (111)∥(111) and [110]∥[110]. The interfacial microstructure was investigate...
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Article
Metastable precipitation in isothermally solidified YAG-alumina composites with off-eutectic composition
YAG-alumina composites with Al2O3-rich and YAG-rich compositions were prepared by annealing the hot-pressed composites at the eutectic temperature (1820°C) for 1 h followed by cooling down at 10 or 100°C/min in a...
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Article
Metastable precipitation of YAIO3 in isothermally solidified YAG/(Al2O3-rich) spinel composites
Phase composition and microstructure of isothermally solidified YAG/spinel (or Al2O3-rich solid solution) composites were investigated. It was verified that an equilibrium binary eutectic phase region consisti...
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Article
Anisotropy of creep deformation rate in hot-pressed Si3N4 with preferred orientation of the elongated grains
Compressive creep deformation of hot-pressed silicon nitride with two different preorientations of grain was investigated at temperatures in the range of 1300–1400 °C under 30–100 MPa. The stress exponent of t...
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Article
Shear strength of C/C composites containing an inorganic compound effective for anti-oxidation
Abstracts are not published in this journal