In composite materials many mechanisms have been confirmed to produce AE signals which includes matrix-cracking, fibrematrix interface de-bonding
, fibre breakage and delamination.
There are local studies available on shear bond strength of the Self etchant primer system,20 bracket de-bonding
during active orthodontic treatment,21 and effect of bleaching on shear bond strength of orthodontic brackets,22 but no local data was available on comparison of mean shear bond strength and Adhesive Remnant Index scores of Clarity and Inspire brackets.
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Similarly, when new dental appliances are provided, events of pain, discomfort and even inhalation / ingestion as well as de-bonding
and breakage of dental appliances or their poking components are quite common.
The first thermal cycle, performed over six hours for the first tension (pull) portion, and four hours for the completion of the compression (push) cycle, caused substantial de-bonding
of the liner from the pipe.
In this study, changes in b-values with several fracture modes (matrix cracking, de-bonding
and fiber breakage) of FRPs were investigated.
- The failure of masonry beam strengthened with CFRP wrap is brittle due to de-bonding
or rupture of FRP materials in contrast to RC beam where failure is ductile.
High temperature capable WPA removes easily with laser- and solvent-assisted release separation de-bonding
. They are thermally stable to 320 to 330[degrees]C and the bonded compound wafers are compatible with standard WLP process equipment and for backside processing of 3D-TSV wafers.
Failure did not occur for seal A, whereas D, E, H and J displayed various amounts of de-bonding
after cycling at -26[degrees]C (temperature specified in CAN/ CGSB-19.0-M77 (1978));
One of the main causes of failure in advanced composite materials like a wind turbine blade is delamination and de-bonding
of the polymer from the rock surface during fracture movement is unavoidable but does not significantly affect the polymer reinforcing capabilities.