Research Article
Response Surface Method for Strength Analysis and Proportion Optimization of New Type Sealing Materials
Figure 6
SEM micromorphology of hydration products of samples at different ages.
| (a) 3 d curing of ordinary cement |
| (b) 7 d curing of ordinary cement |
| (c) 3 d curing of new materials |
| (d) 7 d curing of new materials |