نتایج جستجو برای: delamination detection

تعداد نتایج: 569297  

Journal: :Robotics and Autonomous Systems 1993
Mel W. Siegel William M. Kaufman Chris J. Alberts

This paper describes a systematic approach to using robots to automate making difficult measurements in real-world environments. The approach is illustrated by a detailed description of the architecture’s actual application to inspection of commercial aircraft for skin cracks and lap joint delamination. Several robot designs are evaluated; a small mobile robot with suction cup feet is found to ...

2015
Rafiullah Khan Sajjad Ahmad Muhammad Amjad Mutahir Ahmad

In this paper fracture surface of the fatigue delamination have been investigated. Fatigue delamination tests were performed on the crabon/epoxy under different stress ratios. Samples were cut from the DCB specimens and analyzed in Laser Confocal Scanning Microscope. The analysis was used to measure the roughness values. Different fractographic features observed in the study are discussed.

2007
Z. P. Bažant P. Grassl

APPROACH: Buckling driven delamination is difficult to control in experiments. Thus, the present study relies on numerical simulations using geometrically nonlinear finite element analysis as well as the softening foundation model, which is an adaptation of Winkler elastic foundation. Delamination fracture is modeled by a cohesive crack model. Dimensionless variables are used to cover the entir...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 2008

2017
Yaolu Liu Alamusi Jinhua Li Huiming Ning Liangke Wu Weifeng Yuan Bin Gu Ning Hu

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