Abstract
Creep-induced crack growth can be described with the C ∗-integral as the relevant load parameter. Several possibilities of evaluating the C ∗-integral in single specimen tests are discussed, and the constant load and the constant loading-rate are applied to an alumina ceramic containing a glassy phase. The crack-growth rate as a function of the C ∗-integral is described by a power-law relation with an exponent which agrees very well with the theoretical value.
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