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首页> 外文期刊>日本機械学会論文集. A編 >Evaluation of Surface Damage and Residual Strength in Ceramics due to Sphere Impact (2nd Report, Si3N. Sphere Impact to Si3N. Specimen--Elastic AnaIysis)
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Evaluation of Surface Damage and Residual Strength in Ceramics due to Sphere Impact (2nd Report, Si3N. Sphere Impact to Si3N. Specimen--Elastic AnaIysis)

机译:评估陶瓷由于球体撞击而造成的表面损伤和残余强度(第二份报告,Si3N。球体对Si3N的撞击。试样-弹性分析)

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In the 1st report, it was shown that it was possible to apply an elastic indentation theory to the evaluation of surface damage of ceramics due to sphere impact, although this was limited to low velocities in which elastic damage dominated. In this research, further investigation on the applica- bility of the theory to the residual strength evaluation was conducted. In the case that elastic damage or cone crack was related in the final fracture, the residual strength of ceramic specimens damaged by sphere impact was estimated using the elastic indentation theory and conventional fracture mechanics. Good agreement between estimated curves and test results were obtained.
机译:在第一份报告中,表明可以将弹性压痕理论应用于评估由于球体撞击而引起的陶瓷表面损伤,尽管这仅限于以弹性损伤为主的低速度。在这项研究中,对该理论在残余强度评估中的适用性进行了进一步研究。如果在最终断裂中存在弹性损伤或圆锥裂纹,则使用弹性压痕理论和常规断裂力学来估算受球体冲击破坏的陶瓷试样的残余强度。估计曲线与测试结果之间具有良好的一致性。

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