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- W2497005139 abstract "The microstructure of an yttrium-oxide-dispersed tungsten alloy, newly developed, was investigated by examining the effect of sintering temperature on the particle size of yttrium oxide and the crystal size of tungsten. Also, it was confirmed that the bending strength of yttrium-oxide-dispersed tungsten alloy was affected by the sintering temperature in comparison with a sintered tungsten sample. The residual stress, induced by the coefficient of thermal expansion mismatch, is analyzed for the tungsten matrix composite with a particle of yttrium oxide using the finite element method. Because of the high residual stress, particles of yttrium oxide become crack initiation sites under the fabrication process. Finally, it is also shown that the bending strength of yttrium-oxide-dispersed tungsten alloy can be estimated simply by the fracture mechanics approach, based on the assumption of a flaw introduction effect by the yttrium oxide dispersed." @default.
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- W2497005139 date "1995-01-01" @default.
- W2497005139 modified "2023-09-26" @default.
- W2497005139 title "Strength Properties of Yttrium-Oxide-Dispersed Tungsten Alloy." @default.
- W2497005139 doi "https://doi.org/10.1299/kikaia.61.595" @default.
- W2497005139 hasPublicationYear "1995" @default.
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