AN ACOUSTIC EMISSION-BASED STUDY OF ENERGY DISSIPATION IN RADIALLY LOADED SPRUCE

机译：基于声发射的径向云杉能量耗散研究

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We examined damage and fracture in the radial direction in such a way that we might measure different energy dissipation rates. Using acoustic emission monitoring, our results indicate that the greatest AE energy is released during the initial stages of crack growth. This would indicate a higher proportion of unstable microfracture at the early stages compared with intermediate stages. This result can partially be explained by the relationship between the crack front and the specific microstructural features existing at the crack front.

机译：我们以可能测量不同能量耗散率的方式检查了径向方向的损坏和断裂。使用声发射监测，我们的结果表明，在裂纹扩展的初始阶段释放了最大的AE能量。这表明与中期相比，早期的不稳定微裂缝比例更高。该结果可以部分地由裂纹前缘与裂纹前缘存在的特定微结构特征之间的关系来解释。

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来源
《Proceedings of Third International Symposium on Wood Machining》|2007年|P.179-182|共4页
会议地点 Lausanne(CH)
作者
Ken Watanabe; Eric N. Landis;
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原文格式 PDF
正文语种 eng
中图分类木材加工工业、家具制造工业;
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AN ACOUSTIC EMISSION-BASED STUDY OF ENERGY DISSIPATION IN RADIALLY LOADED SPRUCE

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