![Image A. (Approx. 0.25 mm.) [Paul Stutzman, NIST]](http://publish.illinois.edu/concretemicroscopylibrary/files/2014/05/45_1d_sfb.jpg)
Image A. (Approx. 0.25 mm.) [Paul Stutzman, NIST]
![Image B. (Approx. 0.15 mm.) [Paul Stutzman, NIST]](http://publish.illinois.edu/concretemicroscopylibrary/files/2014/05/45_1d_sfc.jpg)
Image B. (Approx. 0.15 mm.) [Paul Stutzman, NIST]
![Image C. (Approx. 0.075 mm.) [Paul Stutzman, NIST]](http://publish.illinois.edu/concretemicroscopylibrary/files/2014/05/45_1d_sfd1.jpg)
Image C. (Approx. 0.075 mm.) [Paul Stutzman, NIST]
Interfacial Transition Zone Image Series
Concrete Microscopy Library
Image A. (Approx. 0.25 mm.) [Paul Stutzman, NIST]
Image B. (Approx. 0.15 mm.) [Paul Stutzman, NIST]
Image C. (Approx. 0.075 mm.) [Paul Stutzman, NIST]