Synchrotron radiation computed laminography for polymer composite failure studies

被引：49

作者：

Xu, Feng ^{[1
]}

Helfen, Lukas ^{[1
]}

Moffat, Andrew J. ^{[2
]}

Johnson, Gregory ^{[3
]}

Sinclair, Ian ^{[2
]}

Baumbach, Tilo ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, ANKA Inst Synchrotron Radiat, Karlsruhe, Germany

[2] Univ Southampton, Sch Engn Sci, Southampton SO9 5NH, Hants, England

[3] European Synchrotron Radiat Facil, F-38043 Grenoble, France

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2010年 / 17卷

基金：

英国工程与自然科学研究理事会;

关键词：

laminography; in situ loading; polymer composites; phase retrieval; X-RAYS; PHASE; TOMOGRAPHY; RESOLUTION; DAMAGE;

D O I：

10.1107/S0909049510001512

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Synchrotron radiation computed laminography is applied to the three-dimensional micro-imaging of damage in large polymer composite plates with high spatial resolution. The influence of different experimental conditions is studied with respect to measurement time optimization, dose minimization and reduction of artefacts in the reconstructed images. Failures like delaminations, transverse ply cracks and splits are observed under in situ loads. The propagation of up to 2 mm-long cracks is non-destructively followed in situ and investigated in detail. By phase retrieval using a single detector distance, the failures can be easily visualized in three dimensions.

引用

页码：222 / 226

页数：5

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