Category: Uncategorized

  • Grit, Scratches and Sub-Surface Damage – Part 1

    It has become a somewhat common practice to follow a “progression” of increasingly finer grit abrasives when sharpening a blade. In principle, this process is comparable to the procedure for metallographic polishing, which typically consists of three stages, coarse grinding, fine grinding and polishing. These steps are usually characterized by “the scratch pattern” for want…