Characterization and Thermal Stability Properties of Bulk Hierarchical Porous Pd Prepared by Kirkendall Effect and Dealloying Method

Figure 2

Microstructure of porous PdAl compacts. (a) FE-SEM images of green compact, (b) sintered at 873 K and 4 h, and (c) optical photograph of porous PdAl compacts before (A) and after (B) sintering.

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(b)

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