Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Mechanical properties and structure of a nanoporous sodium borosilicate glass. / Paufler, P.; Filatov, S. K.; Shakhverdova, I. P.; Bubnova, R. S.; Reibold, M.; Müller, B.; Levin, A. A.; Meyer, D. C.
в: Glass Physics and Chemistry, Том 33, № 3, 06.2007, стр. 187-198.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Mechanical properties and structure of a nanoporous sodium borosilicate glass
AU - Paufler, P.
AU - Filatov, S. K.
AU - Shakhverdova, I. P.
AU - Bubnova, R. S.
AU - Reibold, M.
AU - Müller, B.
AU - Levin, A. A.
AU - Meyer, D. C.
N1 - Funding Information: This study was supported by the German Fund (DFG Pa 451/23) and the Russian Foundation for Basic Research (project no. 05-03-04002).
PY - 2007/6
Y1 - 2007/6
N2 - The nanohardness (H) and microhardness (H M) of sodium borosilicate glasses with and without nanopores were studied. From nanoindentation measurements, along with the hardness H, the Young's modulus E was derived. While both H and H M varied between ∼10 GPa and ∼7 GPa for the bulk glass, the values for nanoporous specimens were one order of magnitude lower at about 0.5 GPa. The Young's moduli were found to be ∼82 GPa and ∼5 GPa for bulk and porous glasses, respectively. Cracks and pileups were observed, respectively, arising from microindents and nanoindents in the bulk glass, whereas none of them could be detected in the nanoporous material. The molecular structures of both glasses studied by X-ray diffraction are similar.
AB - The nanohardness (H) and microhardness (H M) of sodium borosilicate glasses with and without nanopores were studied. From nanoindentation measurements, along with the hardness H, the Young's modulus E was derived. While both H and H M varied between ∼10 GPa and ∼7 GPa for the bulk glass, the values for nanoporous specimens were one order of magnitude lower at about 0.5 GPa. The Young's moduli were found to be ∼82 GPa and ∼5 GPa for bulk and porous glasses, respectively. Cracks and pileups were observed, respectively, arising from microindents and nanoindents in the bulk glass, whereas none of them could be detected in the nanoporous material. The molecular structures of both glasses studied by X-ray diffraction are similar.
KW - POROUS MATERIALS
KW - HARDNESS
KW - INDENTATION
KW - DIFFRACTION
KW - CRYSTAL
KW - EQUILIBRIUM
KW - TRIDYMITE
KW - MODULUS
KW - SILICA
KW - QUARTZ
UR - http://www.scopus.com/inward/record.url?scp=34547464748&partnerID=8YFLogxK
U2 - 10.1134/S1087659607030017
DO - 10.1134/S1087659607030017
M3 - Article
VL - 33
SP - 187
EP - 198
JO - Glass Physics and Chemistry
JF - Glass Physics and Chemistry
SN - 1087-6596
IS - 3
T2 - Topical Meeting of the European-Ceramic-Society
Y2 - 27 June 2006 through 29 June 2006
ER -
ID: 5252401