USE OF AGGLOMERATED UO2 IN PRESSURE-BONDED STAINLESS STEEL-CLAD FUEL RODS. PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
In a continuation of the Hanford-Battelle cooperative program, the combined use of the vibrational-compaction and gas-pressure-bonding processes for fabricating UO2 fuel elements was studied. Particuliar emphasis was placed on the use of agglomerated micronized UO2 to overcome nonuniformities in the vibrationally compacted pressurebonded fuels. Inconel-X-clad fuel rods were gas-pressure bonded at 2100 deg F for 3 hr at 10,000 psi to evaluate the use of micronized UO2 agglomerated by cold high-energy-rate forming methods. Fuel densities from 88 to 93% of theoretical were attained. A limited parallel study was also conducted a evaluate hydrostatic pressing as a method of agglomerating micronized UO2. Tap density increased from 20 to 25% for the as-received micronized oxide to 41% for the hydrostatically agglomerated plus 200-mesh powder. Studies of the effects of prior cold work and gaspressure bonding on the mechanical and physical properties of types 304L and 347 stainless steel were conducted. Prior cold work in the range of 35 to 50% gave a pressurebonded structure having a fine grain size. (auth).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
In a continuation of the Hanford-Battelle cooperative program, the combined use of the vibrational-compaction and gas-pressure-bonding processes for fabricating UO2 fuel elements was studied. Particuliar emphasis was placed on the use of agglomerated micronized UO2 to overcome nonuniformities in the vibrationally compacted pressurebonded fuels. Inconel-X-clad fuel rods were gas-pressure bonded at 2100 deg F for 3 hr at 10,000 psi to evaluate the use of micronized UO2 agglomerated by cold high-energy-rate forming methods. Fuel densities from 88 to 93% of theoretical were attained. A limited parallel study was also conducted a evaluate hydrostatic pressing as a method of agglomerating micronized UO2. Tap density increased from 20 to 25% for the as-received micronized oxide to 41% for the hydrostatically agglomerated plus 200-mesh powder. Studies of the effects of prior cold work and gaspressure bonding on the mechanical and physical properties of types 304L and 347 stainless steel were conducted. Prior cold work in the range of 35 to 50% gave a pressurebonded structure having a fine grain size. (auth).
Author: Edwin S. Hodge Publisher: ISBN: Category : Nuclear fuel claddings Languages : en Pages : 36
Book Description
In a continuation of the Hanford-Battelle cooperative program, the combined use of the vibrational-compaction and gas-pressure-bonding processes for fabricating UO2 fuel elements was studied. Particuliar emphasis was placed on the use of agglomerated micronized UO2 to overcome nonuniformities in the vibrationally compacted pressurebonded fuels. Inconel-X-clad fuel rods were gas-pressure bonded at 2100 deg F for 3 hr at 10,000 psi to evaluate the use of micronized UO2 agglomerated by cold high-energy-rate forming methods. Fuel densities from 88 to 93% of theoretical were attained. A limited parallel study was also conducted a evaluate hydrostatic pressing as a method of agglomerating micronized UO2. Tap density increased from 20 to 25% for the as-received micronized oxide to 41% for the hydrostatically agglomerated plus 200-mesh powder. Studies of the effects of prior cold work and gaspressure bonding on the mechanical and physical properties of types 304L and 347 stainless steel were conducted. Prior cold work in the range of 35 to 50% gave a pressurebonded structure having a fine grain size. (auth).
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Author: Edwin S. Hodge
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