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On Microstructural Control of Near-Threshold Fatigue Crack Growth in 7000-Series Aluminum Alloys.

机译：7000系铝合金近阈值疲劳裂纹扩展的微观组织控制。

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摘要

Fatigue crack growth rate data for 7000-series aluminum alloys can be approximated with a multilinear form, when plotted in conventional logarithmic coordinates over a sufficiently broad spectrum of delta K. Each transition point in the growth-rate curve appears to be associated with a specific microstructural feature that can serve as a barrier to slip-band transmission, in accord with the cyclic plastic zone model of fatigue crack growth. Evidence strongly suggests that transition to the threshold for fatigue crack growth is controlled by dispersoid particles. (Author)

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作者
Yoder, G. R.; Cooley, L. A.; Crooker, T. W.;
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年度 1982
页码 1-12
总页数 12
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Aluminum alloys; Crack propagation; Microstructure; Fatigue(Mechanics); Control; Threshold effects; Spectra; Transitions; Plastic properties; Rates; Cyclic tests; Dispersing; Particles; Slip band transmission;

机译：铝合金;裂纹扩展;微观结构;疲劳（力学）;控制;阈值效应;光谱;转变;塑性;速率;循环试验;分散;颗粒;滑带传动;

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专利

1. Effect of Overload on the Near-Threshold Fatigue Crack Growth Rate in a 2024-T3 Aluminum Alloy: III. Analysis of the Efficiency of the Fatigue Crack Growth Models Used to Predict the Fatigue Life under Alternating Loading [J] . Russian Metallurgy(Metally) . 2020,第3期

机译：超负荷对2024-T3铝合金近阈值疲劳裂纹生长速率的影响：III。交替载荷下，用于预测疲劳寿命的疲劳裂纹增长模型的效率分析
2. Effect of Overload on the Near-Threshold Fatigue Crack Growth Rate in a 2024-T3 Aluminum Alloy: II. Fatigue Crack Growth Simulation for Calculating the Fatigue Life under Alternating Loading [J] . A. N. Savkin, R. Sunder, A. V. Andronik, Russian Metallurgy(Metally) . 2019,第5期

机译：超负荷对2024-T3铝合金近阈值疲劳裂纹生长速率的影响：II。交替加载下计算疲劳寿命的疲劳裂纹增长模拟
3. Effect of Overload on the Near-Threshold Fatigue Crack Growth Rate in a 2024-T3 Aluminum Alloy: I. Effect of the Character, the Magnitude, and the Sequence of Overload on the Fatigue Crack Growth Rate [J] . A. N. Savkin, R. Sunder, A. V. Andronik, Russian Metallurgy(Metally) . 2018,第11期

机译：过载对2024-T3铝合金近阈值疲劳裂纹生长速率的影响：I。特征，幅度和过载序列对疲劳裂纹增长的影响
4. Influence of Heat Treatment on Near-Threshold Fatigue Crack Growth Behavior of High Strength Aluminum Alloy 7010 [C] . M. S. Nandana, Bhat K. Udaya, C. M. Manjunatha Symposium of the International Committee on Aeronautical Fatigue and Structural Integrity . 2020

机译：热处理对高强度铝合金近阈值疲劳裂纹生长行为的影响7010
5. Finite element simulations of three-dimensional microstructurally small fatigue crack growth in 7075 aluminum alloy using crystal plasticity theory. [D] . Johnston, Stephen R. 2005

机译：基于晶体可塑性理论的7075铝合金三维微观结构小疲劳裂纹扩展的有限元模拟。
6. Effect of TiB Orientation on Near-Threshold Fatigue Crack Propagation in TiB-Reinforced Ti-3Al-2.5V Matrix Composites Treated with Heat Extrusion [O] . Shoichi Kikuchi, Shunsuke Tamai, Takao Kawai, 2019

机译：TiB取向对热挤压处理的TiB增强Ti-3Al-2.5V基体复合材料近阈疲劳裂纹扩展的影响
7. Fatigue crack growth and crack closure under variable loadings on aluminum alloys. (Effect of load variation on characteristic form of crack growth rate curve in region II) [O] . Masahiro JONO, Jiho SONG, Atsushi SUGETA 1985

机译：铝合金可变载荷下疲劳裂纹生长和裂纹闭合。（载荷变异对4区裂纹生长速率曲线特征形式的影响）

On Microstructural Control of Near-Threshold Fatigue Crack Growth in 7000-Series Aluminum Alloys.

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