Digital microscopy and image analysis applied to composite materials characterization

Materia

Paciornik, S.¹  d'Almeida, J.¹ 

[1] PUC-Rio, Rio de Janeiro, Brazil

关键词: Composites;    filament winding;    voids;    image analysis;    digital microscopy.;   

DOI  :  10.1590/S1517-70762010000200013

学科分类：工程和技术（综合）

来源: Universidade Federal do Rio de Janeiro * Coordenacao dos Programas de Pos-Graduacao de Engenharia

【 摘 要 】

Digital Microscopy was employed to characterize the microstructure of fiber-reinforced composite tubes manufactured by filament winding. Optical Microscopy was used for void characterization while Scanning Electron Microscopy was used for fiber and layer analysis. Acquired images were assembled in mosaics to reveal the microstructure of different cross-sections of the sample. Image processing was employed to detect either voids or individual fibers and measure their size, shape and spatial distribution. Void spatial distribution was analyzed with two different methods - local analysis and the tessellation method - revealing different behaviors along different cross-sections. Fiber layers were automatically detected and their average winding angle and dispersion were analyzed.

【 授权许可】

CC BY