1989
DOI: 10.1002/mawe.19890200905
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Werkstoffprüfung von Hochleistungskeramik mit Zugproben

Abstract: Die Werkstoffprüfung keramischer Konstruktionswerkstoffe stützt sich bei vielen Experimenten auf den Biegeversuch. Die Beschränkung der Aussagekraft dieser Versuche wird für linearelastisches und plastisches Werkstoffverhalten dargelegt und die Begründung des aufwendigeren Zugversuchs abgeleitet. Das Konzept einer optimierten stoffschlüssigen Einspannung für Keramikrundproben für Raumtemperaturermüdungsversuche wird vorgestellt. Für hohe Temperaturen wird ein Prüfkonzept mit Flachzugproben entwickelt, das stat… Show more

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Cited by 6 publications
(1 citation statement)
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“…A disadvantage is that the failure of the samples produced by the superposition of tensile, compressive and shear stresses [12] within the bended sample is not always unequivocal. The maximum stresses appear only in the outer layers of the bendingstressed samples; that is, the effectively stressed sample volume is relatively small compared to the whole volume of the sample and is mainly concentrated in the region of the marginal fibres [13]. The consequence of this is that defects in the interior of the samples remain inactive.…”
Section: Introductionmentioning
confidence: 98%
“…A disadvantage is that the failure of the samples produced by the superposition of tensile, compressive and shear stresses [12] within the bended sample is not always unequivocal. The maximum stresses appear only in the outer layers of the bendingstressed samples; that is, the effectively stressed sample volume is relatively small compared to the whole volume of the sample and is mainly concentrated in the region of the marginal fibres [13]. The consequence of this is that defects in the interior of the samples remain inactive.…”
Section: Introductionmentioning
confidence: 98%