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The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy. 
FIGURE 8 Hysteresis loops measured on the tensile testing of CMCs: (a) 0/90, (b) ±45. SOURCE: Reprinted from Evans (1997) [26], copyright 1997, with permission from Elsevier Science. Friction at the interfaces dictates the dimension over which stress concentrations around failed fibers are eliminated. This dimension becomes an internal scale parameter, which allows fiber failures to occur in a spatially uncorrelated manner. When this happens, global load sharing (GLS) ensues with an associated UTS given by 
where 
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