A Damage-tolerant Bulk Metallic Glass at Liquid-nitrogen Temperature |
Fig. 3. SEM side view of micro-notched toughness test sample before and after fracture. a SEM image of micro-notch introduced by a diamond-coated razor blade with a root radius of 1–3 μm. b Side view of the micro-notched ZT fractured at 298 K. c Side view of the micro-notched ZT fractured at 77 K. |
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