Intergranular Slow Crack Growth in MgF2

Volume: 64, Issue: 9, Pages: 563 - 566
Published: Sep 1, 1981
Abstract
Fractographic analysis of delayed failure of magnesium fluoride bars at room temperature showed that slow crack growth proceeds intergranularly, whereas rapid crack growth proceeds transgranularly. The size of the semielliptical demarcation between the intergranular and transgranular regions agreed well with the critical size predicted from a fracture mechanics equation. The ratio of the critical flaw size to fracture mirror (mirror‐mist,...
Paper Details
Title
Intergranular Slow Crack Growth in MgF2
Published Date
Sep 1, 1981
Volume
64
Issue
9
Pages
563 - 566
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