"PIN-CUSHION" IRRADIATION TESTS OF URANIUM AND ITS ZIRCONIUM ALLOYS. Metallurgy Program 6.1.1

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ABS>An irradiation test of 1/16 in. diameter x 3/16 in. long U/sup 235/ and U/sup 235/-Zr alloy specimens, in the range 2 to 20 wt.% Zr, is described. The small pins were mounted in heat transfer blocks, or ''cushions,'' in such a way that suriace roughening and length changes could be observed, recorded, and compared for five stabilizing heat treatments up to exposure levels of approximately 1% total atom burnup. Addition of 2% Zr was found to be very beneficial, but the behavior of the alloys underwent distinct changes in going from 2 to 4 wt.% Zr. Material, both as-cast ... continued below

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Pages: 41

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Paine, S.H. & Brown, F.L. March 1, 1956.

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ABS>An irradiation test of 1/16 in. diameter x 3/16 in. long U/sup 235/ and U/sup 235/-Zr alloy specimens, in the range 2 to 20 wt.% Zr, is described. The small pins were mounted in heat transfer blocks, or ''cushions,'' in such a way that suriace roughening and length changes could be observed, recorded, and compared for five stabilizing heat treatments up to exposure levels of approximately 1% total atom burnup. Addition of 2% Zr was found to be very beneficial, but the behavior of the alloys underwent distinct changes in going from 2 to 4 wt.% Zr. Material, both as-cast and subsequently isothermally treated, changed from minus to plus elongation, whereas wrought materials, either gamma-slow cooled or isothermally treated, changed from plus to minus behavior. Data-quenched wrought material varied unpredictably. Addition of Zr up to 20% showed further improvement in stability for all treatments. Factors which may have contributed to this behavior are discussed. (auth)

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Pages: 41

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  • Other Information: Orig. Receipt Date: 31-DEC-58

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  • Report No.: ANL-5538
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/4291293 | External Link
  • Office of Scientific & Technical Information Report Number: 4291293
  • Archival Resource Key: ark:/67531/metadc1016526

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  • March 1, 1956

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  • Oct. 15, 2017, 10:09 p.m.

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  • Oct. 30, 2017, 4:05 p.m.

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Paine, S.H. & Brown, F.L. "PIN-CUSHION" IRRADIATION TESTS OF URANIUM AND ITS ZIRCONIUM ALLOYS. Metallurgy Program 6.1.1, report, March 1, 1956; Lemont, Illinois. (digital.library.unt.edu/ark:/67531/metadc1016526/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.