Figure 15.
The SEM images of ITZ between the LWA and matrix: (a) Lytag LWA pre-wet for 0.25 h; (b) Lytag LWA pre-wet for 0.5 h; (c) Shale LWA pre-wet for 0.5 h; (d) Shale LWA pre-wet for 24 h [118], with copyright permission from Elsevier.
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