非晶合金理想裂纹预制方法及其在小试样$K_{\rm Ic}$测试中的应用 1)
谢怡玲,刘泽(
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A GENERAL METHOD TO INTRODUCE PRE-CRACK IN BULK METALLIC GLASSES FOR PLANE STRAIN FRACTURE TOUGHNESS TEST 1)
Xie Yiling,Liu Ze()
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图1. (a)和(b)制备理想裂纹的原理图;(c)通过金刚石绳锯预制缺口后的典型试样;(d)热塑性成型使得缺口裂纹闭合后的典型试样;(e)热塑成型制备的一个理想裂纹试样在断裂后的XRD表征
Fig. 1. (a) and (b) Schematics of the experimental procedures; (c) Typical notched sample; (d) Typical pre-cracked sample based on the procedures in (a) and (b); (e) XRD characterization of a typical pre-cracked sample after fracture test
