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3. (a) 断裂韧性测试装置图;(b) 预制有理想裂纹的试样;(c) 上述试样的位移-载荷曲线;(d) 上述试样拉伸过程中在对应状态下 裂纹的变化
Fig. 3. (a) Experimental set-up for fracture toughness test. (b) Typical sample with an ideal crack. (c) Corresponding displacement-force curve. (d) Evolution of the crack in (b)
