Grain size dependent mechanical properties in nanophase materials

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It has become possible in recent years to synthesize metals and ceramics under well controlled conditions with constituent grain structures on a manometer size scale (below 100 nm). These new materials have mechanical properties that are strongly grain-size dependent and often significantly different than those of their coarser grained counterparts. Nanophase metals tend to become stronger and ceramics are more easily deformed as grain size is reduced. The observed mechanical property changes appear to be related primarily to grain size limitations and the large percentage of atoms in grain boundary environments. A brief overview of our present knowledge about the ... continued below

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12 p.

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Siegel, R.W. & Fougere, G.E. February 1, 1995.

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  • Siegel, R.W. Argonne National Lab., IL (United States)
  • Fougere, G.E. Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering

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Description

It has become possible in recent years to synthesize metals and ceramics under well controlled conditions with constituent grain structures on a manometer size scale (below 100 nm). These new materials have mechanical properties that are strongly grain-size dependent and often significantly different than those of their coarser grained counterparts. Nanophase metals tend to become stronger and ceramics are more easily deformed as grain size is reduced. The observed mechanical property changes appear to be related primarily to grain size limitations and the large percentage of atoms in grain boundary environments. A brief overview of our present knowledge about the grain-size dependent mechanical properties of nanophase materials is presented.

Physical Description

12 p.

Notes

OSTI as DE95012400

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  • Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 28 Nov - 9 Dec 1994

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  • Other: DE95012400
  • Report No.: ANL/MSD/CP--83449
  • Report No.: CONF-941144--150
  • Grant Number: W-31-109-ENG-38;FG02-86ER45229
  • Office of Scientific & Technical Information Report Number: 81085
  • Archival Resource Key: ark:/67531/metadc734298

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • February 1, 1995

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • Dec. 14, 2015, 11:19 a.m.

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Siegel, R.W. & Fougere, G.E. Grain size dependent mechanical properties in nanophase materials, article, February 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc734298/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.