Energy Concepts and Critical Plane for Fatigue Assessment of Ti-6Al-4V Notched Specimens

Camilla Ronchei; Andrea Carpinteri; Sabrina Vantadori

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Energy Concepts and Critical Plane for Fatigue Assessment of Ti-6Al-4V Notched Specimens

机译：Ti-6AL-4V缺口标本疲劳评估能量概念和关键平面

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In the present paper, the fatigue life assessment of notched structural components is performed by applying a critical plane-based multiaxial fatigue criterion. Such a criterion is formulated by using the control volume concept related to the strain energy density criterion. The verification point is assumed to be at a given distance from the notch tip. Such a distance is taken as a function of the control volume radii around the notch tip under both Mode I and Mode III loading. The accuracy of the present criterion is evaluated through experimental data available in the literature, concerning titanium alloy notched specimens under uniaxial and multiaxial fatigue loading.

机译：在本文中，通过施加关键平面的多轴疲劳标准来进行缺口结构部件的疲劳寿命评估。通过使用与应变能量密度标准相关的控制体积概念来配制这种标准。假设验证点处于距离凹口尖端的给定距离。在模式I和模式III负载下，作为在凹口尖端周围的控制体积半径的函数拍摄这样的距离。通过文献中可用的实验数据，关于单轴和多轴疲劳负载下的钛合金缺口标本进行评估本标准的准确性。

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《Applied Sciences》 |2019年第10期|共10页
作者
Camilla Ronchei; Andrea Carpinteri; Sabrina Vantadori;
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control volume conceptcritical plane approachfatigue life assessmentseverely notched specimensstrain energy density;

机译：控制量概念临界平面方法寿命寿命评估缺口标本能量密度;

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1. Fatigue assessment of notched specimens by means of a critical plane-based criterion and energy concepts [J] . Carpinteri Andrea, Berto Filippo, Campagnolo Alberto, Theoretical and Applied Fracture Mechanics . 2016,第Null期

机译：通过基于平面的临界准则和能量概念对缺口试样进行疲劳评估
2. In-phase thermomechanical fatigue lifetime prediction of nickel-based single crystal superalloys from smooth specimens to notched specimens based on coupling damage on critical plane [J] . Wang Rongqiao, Zhang Bin, Hu Dianyin, International Journal of Fatigue . 2019,第SEPa期

机译：基于临界面耦合损伤的镍基单晶高温合金从光滑试样到缺口试样的同相热机械疲劳寿命预测
3. In-phase thermomechanical fatigue lifetime prediction of nickel-based single crystal superalloys from smooth specimens to notched specimens based on coupling damage on critical plane [J] . Wang Rongqiao, Zhang Bin, Hu Dianyin, International Journal of Fatigue . 2019,第Sepa期

机译：基于临界平面耦合损伤的缺口样品从平滑标本到缺口样品的基于镍的单晶超合金的相位热机械疲劳预测
4. An energy-equilibrium fatigue model and it's application on fatigue life assessment for notched specimens with gradient surface layer [C] . Sicong Zhao, Jijia Xie, Ping Jiang, International conference on fracture . 2013

机译：能量平衡疲劳模型及其在带梯度表层缺口试样疲劳寿命评估中的应用
5. A Critical Plane-energy Model for Multiaxial Fatigue Life Prediction of Homogeneous and Heterogeneous Materials. [D] . Wei, Haoyang. 2016

机译：均质和非均质材料多轴疲劳寿命预测的临界平面能量模型。
6. A New Energy-Critical Plane Damage Parameter for Multiaxial Fatigue Life Prediction of Turbine Blades [O] . Zheng-Yong Yu, Shun-Peng Zhu, Qiang Liu, 2017

机译：涡轮叶片多轴疲劳寿命预测的新的能量临界平面损伤参数
7. Fatigue strength of severely notched specimens made of Ti-6Al-4V under multiaxial loading [O] . Berto F, Campagnolo A., Lazzarin P. 2015

机译：Ti-6Al-4V严重缺口试样在多轴载荷下的疲劳强度
8. PILOT WORKLOAD AND FATIGUE:A CRITICAL SURVEY OF CONCEPTS AND ASSESSMENT TECHNIQUES [R] . Walter B. Gartner, Miles R. Murphy 1976

机译：试点工作负荷和疲劳：对概念和评估技术的重要调查

Energy Concepts and Critical Plane for Fatigue Assessment of Ti-6Al-4V Notched Specimens

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