Research Article

Effect of Metallic Inclusions on the Compressive Strength of Cement-Based Materials

Figure 4

Microscopic three-dimensional topography of the transition zone between cement paste and the steel needle. The laser confocal microscope Olympus Lext 3100 has been used. The format of the image: 640 μm × 640 μm, 1024 pixels × 1024 pixels, vertical step μm, total height 334 μm, and magnification 20x.