BB-20180316-132341.jpg
Crack tip detail. Notice the Lüders bands on either side of the crack, evidence of plastic deformation of the material.
Title
Crack tip detail.
Exposure
400, ¹⁄₁₇₀ sec at f/2.8
Camera and Lens
FUJIFILM FinePix F10
Datetime
Image captured on March 16, 2018 at 13:23:41.