Mechanical characterization of sol–gel epoxy-silylated hyperbranched poly(ethyleneimine) coatings by means of Depth Sensing Indentation methods
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چکیده
منابع مشابه
Characterization of Indentation Damage on Carbon/epoxy Laminates by Means of Acoustic Emission
Static indentation tests on carbon fibre reinforced laminates have been frequently used in literature to predict the value of penetration energy for the laminate. The mechanical set-up most commonly employed involves the use of indentors of diameter comparable with that of the impactors prescribed from standards for falling weight impact, such as ASTM D3763.The specimen is simply supported usin...
متن کاملCharacterization of indentation damage on carbon/epoxy laminates by means of acoustic emission and IR thermography
Acoustic emission and transient IR thermography have been used to study and compare the performance of carbon/epoxy laminates, subjected to two different indentation procedures in a three-point flexural rig, one with a supporting steel plate and the other in a free bending mode. The study of 2-D localisation plots and cumulative counts vs. time curves allowed clarifying, with the essential supp...
متن کاملInference of Mechanical Properties from Instrumented Depth Sensing Indentation at Tiny Loads and Indentation Depths
Different hardness measures as Vickers, Brinell and Meyer hardness are discussed with respect to their physical interpretation. Meyer hardness is found to be best suited as a measure of plastic properties. The outline of a depth sensing nanoindentation experiment is described, and particular emphasis is given to the correct deduction of the contact area from indenter penetration data. Experimen...
متن کاملDepth - sensing instrumented indentation with dual sharp
57 A methodology for interpreting instrumented sharp indentation with dual sharp indenters with different tip apex 58 angles is presented by recourse to computational modeling within the context of finite element analysis. The forward 59 problem predicts an indentation response from a given set of elasto-plastic properties, whereas the reverse analysis 60 seeks to extract elasto-plastic propert...
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ژورنال
عنوان ژورنال: Progress in Organic Coatings
سال: 2016
ISSN: 0300-9440
DOI: 10.1016/j.porgcoat.2015.11.017