Although a large restoring force is transferred from the SMA fiber to the matrix by the knotted way, the percentage of the fiber in the composite is only 0.33% which makes the knotted way more efficiently than other ways.
实验段纤维的体积分数为0.33%,体积分数非常小,但是通过打结这一方式,可以将形状记忆合金纤维回复力几乎全部加到试件上去,有效的抑制裂纹扩展,大大提高试件承载能力,是非常高效的驱动器。
参考来源 - 打结形状记忆合金纤维抑制裂纹扩展的实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
ADJ (of wood, rope, etc) having knots (木头、绳索等)有节的
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