E.G. Aslanyan, A.E. Aslanyan, A.N. Shchipunov Al’manac of Modern Metrology № 4 (16) 2018, pages 80–89 The work describes a problem that has arisen as a result of amending the definition of Rockwell and Super-Rockwell hardness scales. The factors affecting the hardness numbers on the Rockwell and Super-Rockwell scales are described. The solution of the problem … Continue reading Improvement of The state primary standard of hardness on Rockwell and Super-Rockwell scales