作者
Daniel P Cole, Todd C Henry, Ke An, Yan Chen, Robert A Haynes
发表日期
2018/9/10
研讨会论文
Smart Materials, Adaptive Structures and Intelligent Systems
卷号
51951
页码范围
V002T05A001
出版商
American Society of Mechanical Engineers
简介
The focus of this study was to apply a robust inspection technique for monitoring damage nucleation and propagation in 7075 aluminum alloy specimens exposed to cyclic loading. A previously developed specimen, linearly tapered in width along the length, was subjected to a sinusoidal tension-tension load while conductivity and strain were measured in-situ. Ex-situ measurements of modulus, hardness, surface potential, digital image correlation strain field, and neutron diffraction were made as a function of fatigue cycles. It is hypothesized that varying levels of induced stress along the length due to equal-force but varying area along the length will create a record of damage which can be probed to intuit a temporal history for the specimen. Baseline, intermediate, and failure sensor measurements for several specimens were compared and analyzed as a function of applied stress (varied linearly along the length …
引用总数
学术搜索中的文章
DP Cole, TC Henry, K An, Y Chen, RA Haynes - Smart Materials, Adaptive Structures and Intelligent …, 2018