DESIGN, ASSEMBLY AND CHARACTERIZATION OF COMPOSITE ...

Figure 6.12 Optical image of the cross section of a MLCC lattice for EDS examination.
The specimen is embedded in epoxy for handling. The dark grey colored filaments are
BT:Ni=1:4 Ni'(m) and the ivory colored filaments are LFBT. ....................................... 193
Figure 6.13 Scanning electron micrograph for a random cross-section of the specimen
examined by EDS. .......................................................................................................... 195
Figure 6.14 EDS energy spectrum for elements in the composite structure. .................. 196
Figure 6.15 Mapping of Ti element across the region shown in Figure 6.13. Each red dot
indicates one positive detection of Ti element. ............................................................... 197
Figure 6.16 Mapping of Ti element across the region shown in Figure 6.13. Each green
dot indicates one positive detection of Ni element. ........................................................ 198
Figure 6.17 Mapping of Ba element across the region shown in Figure 6.13. Each yellow
dot indicates one positive detection of Ba element. ........................................................ 199
Figure 6.18 Mapping of Ba element across the region shown in Figure 6.13. Each
magenta dot indicates one positive detection of Ba element. ......................................... 200
Figure 6.19 Mapping of Zn element across the region shown in Figure 6.13. Each blue
dot indicates one positive detection of Zn element. ........................................................ 201
Figure 6.20 EDS analysis for the cross-section of composite lattice: a combined pattern
for Ba, Ti, Ni, and Zn elements. ..................................................................................... 202
Figure 6.21 The hysteresis loop for the LFBT specimen sintered at 1000 °C in air. ..... 203
Figure 6.22 Dielectric constant and dissipation factor at 1-100 kHz for the LFBT
specimen. ........................................................................................................................ 204
Figure 7.1 Variation of viscosity at 100 s -1 as a function of temperature for the an
aqueous Ni slurry with and without carrageenan. Gelling point of the slurry containing
carrageenan occurs at 34 °C 138
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