Activated Carbon by Hassler J.W. PDF
By Hassler J.W.
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Additional info for Activated Carbon
The first attempts at enhancing of iron by the introduction into its surface of elements which hardened it took place in Egypt and in India ca. C. Probably, it was carburizing of iron surface. The first description of hardening projectiles must be attributed to Homer (Odyssey, ca. ). C. hardening of steel was used in China and about 20 years later, soy bean grains were used for carburizing or, more strictly speaking, carbonitriding of steel . These beans, rich in carbon and nitrogen, were used to saturate steel, heated to red heat.
The treatment does not alter the state of residual stresses in the surface layer. g. electroplating). Etching - removal of layers of scale, rust, oxides or alkaline salts from the surface of metals and alloys, carried out before final pickling and deposition of electroplated coatings . It can be carried out by: – chemical means (electroless) - by immersion in acidic solutions, reacting with metal oxides, – electrolysis - in an electrolytic process, where the metal may be pickled by the anode or the cathode.
Edition 20. A. Blagonravov Institute for Machine Science Building Research of the Academy of Science of USSR, Moscow, 1990. : Metal surface engineering (in Polish) Standardization, No. 12, 1990, pp. 17-25. : Producing surface layers metal surface engineering (in Polish). Metaloznawstwo, Obróbka Cieplna, In¿ynieria Powierzchni (Metallurgy, Heat Treatment, Surface Engineering), No. 106-108, 1990, pp. 2-32. : Metal surface engineering (in Polish). Warsaw University of Technology Publications, Warsaw 1992.
Activated Carbon by Hassler J.W.