Hardness of dislocations, a particular metal's hardness can be controlled. Although seemingly counter-intuitive, as the density of dislocations increases, there are more intersections created and consequently more anchor points. Similarly, as more interstitial atoms are added, more pinning points that impede the movements of dislocations are formed. As a result, the more anchor points added, the harder the material will become. Hardness Hardness is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion. Some materials (e.g. metals) are harder than others (e.g. plastics, wood). Macroscopic hardness is generally characterized by strong intermolecular bonds, but
Walter Janka Mann's novel of dynastic decline, Buddenbrooks, which was to be a collaboration between East Germany's DEFA and West German film companies. Another ambition, in pursuit of which he met Charlie Chaplin near the latter's home at Vevey in May 1954, was a DEFA film with Charlie Chaplin as the leading star. On 6 December 1956 Walter Janka was arrested on a charge of Counter-revolutionary conspiracy and held in the Berlin-Hohenschönhausen Remand Prison. By March 1957 he had become one of six men arrested and held in respect of the alleged conspiracy. Janka remained in the Berlin-Hohenschönhausen prison for more than