تماشای ویدئو متالوگرافی تکنیک های ماکروسکوپی از آی-ویدئو

Metallography Part I -- Macroscopic Techniques - Preparation of an ingot and a piston: sawing, grinding and etching - Individual grains are visible - Preparation of several steel specimens: flame hardened tooth of a gear wheel, induction hardened cylindrical shaft, induction hardened splined shaft, case hardened tooth of a gear wheel, weld joint - Weld pass structure and heat treated zones and are visible Responsible for this video: Prof. Dr.-Ing. Rainer Schwab, Hochschule Karlsruhe (Karlsruhe Universi