The results indicate that the difference of fracture toughness between MD and CD increases with a decrease in jet_wire speed ratio,and the main reason is stronger fibre orientation.
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释义
试验结果表明:减小浆网速比,增强了纤维定向作用,裂缝纵向分布增加,导致纸张中纵横向断裂韧性差异增加。
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