精细陶瓷(高级陶瓷､高级工业陶瓷)-单片陶瓷断裂韧性的试验方法-单边V形切口梁(SEVNB)法 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test methods for fracture toughness of monolithic ceramics - Single-edge V-notch beam (SEVNB) method