Investigation of the micromechanics of the microbond test (Record no. 52814)

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fixed length control field 02319nam a2200241Ia 4500
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control field MX-MdCICY
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control field 20250625162416.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18668
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Title Investigation of the micromechanics of the microbond test
490 0# - SERIES STATEMENT
Volume/sequential designation Composites Science and Technology, 58(6), p.907-914, 1998
520 3# - SUMMARY, ETC.
Summary, etc. The microbond test is a method which is sometimes used for measuring interfacial shear strength. In the analysis of the data it is often assumed that the interfacial shear stress is constant and thus, by implication, that the strain in the fibre along the embedded fibre decreases linearly from the point of entry to the point of exit. In this paper the results of conventional microbond tests and simulated microbond tests performed under a Raman microscope on a Kevlar-49/epoxy system are reported. The conventionally performed tests show that the calculated interfacial shear strength for this system is approximately 16 MPa regardless of the position of the supporting knife edges. The strain distribution along the fibre during simulated microbond tests was studied as a function of knife edge position, interfacial area and level of load by means of Raman spectroscopy. It was found that the interfacial shear stress was not constant, as is frequently assumed, but was strongly dependent upon distance through the droplet, knife-edge position and applied load. At low loads the strain was a maximum at the point where the fibre entered the droplet and then dropped off sharply through the embedded length. This effect was enhanced when the knife-edge separation was reduced. The variation of the shape of the stress distribution was similar to that predicted by a linear finite element analysis. At higher load levels the onset of failure in the region closest to the point where the fibre entered the droplet could be observed.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element A. ARAMID FIBRE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element B. INTERFACE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element }B. INTERFACIAL STRENGTH
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element C. FEA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element D. RAMAN SPECTROSCOPY
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Day, R. J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Rodrigez, J. C.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/13bQ5t1O_i2zs3aXYOsQqssMqRrafmnto/view?usp=drivesdk">https://drive.google.com/file/d/13bQ5t1O_i2zs3aXYOsQqssMqRrafmnto/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18668 25.06.2025 25.06.2025 Documentos solicitados