Loctite® Epoxy Weld does not shrink and is resistant to most shop fluids such as water, diesel fuel, gasoline, antifreeze, hydraulic fluid, motor oil and transmission fluids.epoxy-based ACFs and 10 s for other resin-based ACFs. The degrees of cure were 80.5%, 87%, and 100% for imidazole epoxy resin, cation epoxy resin, and acrylic resin, respectively, as shown in Fig. 7. After bonding, the electrical property was measured by the ACFs’ contact resistances. Five samples of each type
consists of tungsten powder and epoxy-mixture (1, 9). The ratio of the tungsten powder and epoxy mixture determines the degree of the required damping that gives a compromise between the sensitivity and axial resolution. A mechanical impedance transformer between the transducer and the load improves the sensitivity by reducing the reflected losses A 6.91 MHz PMN-PT/epoxy 1–3 composite radial array transducer with 64 elements was tested in a pulse-echo response measurement. The −6-dB bandwidth of the composite array transducer was 102%, which was ~30% larger than that of traditional lead zirconate titanate array transducer. The two-way insertion loss was found to be −32.3 dB.
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