COMPOSITE_MATERIALS

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A New Method for Detecting Internal Defects in Composite Materials Based on Time of Flight被引量：2
《Transactions of Nanjing University of Aeronautics and Astronautics》2022年第3期314-325,共12页ZHI Fan ZHANG Ying SUN Jianbo LUO Ming LU Wu 
Carbon-fiber reinforced polymer composites have been widely used to achieve the light-weighted design and high performance due to superior performance. Internal defects in the composite materials are the main factors ...
关键词：ultrasonic non-destructive testing time of flight porosity defects anti-impact performance distance amplitude correction(DAC)method 
Pressure Angle Effect of Concave Cylinder Surface on Motion Characteristics of Fiber Placement Machine被引量：1
《Transactions of Nanjing University of Aeronautics and Astronautics》2020年第6期898-902,共5页WANG Xianfeng GAO Tiancheng 
supported by the Equipment Development Department Project of China(No. 41422010401);the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions
There are amounts of issues to be resolved in the process of designing the fiber placement trajectory of the cylindrical component,such as the interference between the machine and the component and the over-travel of ...
关键词：composite materials fiber placement inclination angle pressure CYLINDER postprocess 
Full Wavefield Analysis for Damage Assessment in Composite Materials
《Transactions of Nanjing University of Aeronautics and Astronautics》2018年第2期264-274,共11页Tomasz Wandowski Pawel Malinowski Wieslaw Ostachowicz 
financial support given by the Polish National Science Centre (No.UMO-2014/13/D/ST8/03167)
In this paper damage assessment based on guided elastic wave propagation phenomenon is presented.Guided waves are generated by piezoelectric transducer and registered by scanning laser doppler vibrometer(SLDV).Signal ...
关键词：damage assessment GUIDED wave propagation (GW) mode CONVERSION TERAHERTZ spectroscopy(THz) 
A METHOD FOR PREDICTING BUCKLING LOADS OF COMPOSITE LAMINATED STRIPS WITH A SURFACE NOTCH
《Transactions of Nanjing University of Aeronautics and Astronautics》1999年第1期75-79,共5页胡自力 
Surface notches lower the stiffness of laminated strips, so they lower the buckling loads of the laminated strips, too. In this paper a new method is proposed to predict the buckling loads of the laminated strips with...
关键词：composite materials laminated strips surface notch BUCKLING calculation method 
AN OPTICAL FIBER SENSOR TECHNIQUE BASED ON SLIGHT DISTURBANCE RADIATION LOSS OF STOCHASTIC WALL
《Transactions of Nanjing University of Aeronautics and Astronautics》1997年第2期126-130,共5页赵志敏 张永梅 林有义 
航空科学基金
This paper presents an optical sensor technique used in the damage evaluation which is formed by structurally integrated fiber optic reticulate sensors embedded in the composite materials. The fibers are processed by ...
关键词：composite materials optical fibers optical fiber sensor planar optical waveguide stochastic wall slight disturbance damage evaluation 
PROCESSINGTECHNIQUESANDCHARACTERIZATIONOFCERAMICFIBERREINFORCEDALUMINIUMCOMPOSITES
《Transactions of Nanjing University of Aeronautics and Astronautics》1996年第1期9-14,共6页Won Jong Choi Lu Ho Choi Department of Materials Engineering,Hankuk Aviation UniversityKoyang,Kyunggi do,Korea 
This paper relates to the fabrication of aluminium matrix composites with various amounts of Al 2O 3 fiber and SiC whiskers by rheocasting, powder metallurgy process and liquid metal infiltration process. To analy...
关键词：composite materials metal matrix composites reinforced metal composite processing techniques 
VIBRATION MODE ANALYSIS OF MULTILAYERED COMPOSITE PLATES AND SHELLS USING NATURAL APPROACH
《Transactions of Nanjing University of Aeronautics and Astronautics》1995年第2期114-121,共8页朱金福 王永亮 
Argyris'natural approach is employed to analyze vibranon mode of multilayered composite plates and shells.The shells can be either symmetric or unsymmetric.The spectral transformation Lanczos method with selective or ...
关键词：vibration analysis method composite materials PLATES Lanczos method natural approach 
PROGRESSIVE FAILURE ANALYSIS OF LAMINATED COMPOSITES WITH TRANSVERSE SHEAR EFFECTS
《Transactions of Nanjing University of Aeronautics and Astronautics》1995年第1期15-22,共8页黄传奇 
This paper deals with the progressive failure analysis of composite laminates. Triangular elements which include the transverse shear effects are us.d for the stress analysis. A new method for the calculation of the s...
关键词：composite materials laminated composites failure analysis failure criterion transverse shear DAMAGE 
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