Book excerpt: Excerpt from Fractography of Ceramics and Glasses Origins of Fracture Origins, Flaws, and Defects The Spatial Distribution of Flaws. Are Flaws Intrinsic or Extrinsic? Matching Fracture Halves. External Surfaces. Volume-distributed Flaws. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.