Glossary of technical terms for the use of metallurgical engineers Terms starting with alphabet ‘P’ P2 etch – It uses ferric sulphate (FeSO4) in place of the toxic sodium dichromate as the oxidizer (15 % ferric sulphate, 37 % sulphuric acid (H2SO4). and 48 % water and produces an oxide with a similar morphology to those got using the different chromic-sulphuric etches. The …
Read MoreGlossary of technical terms for the use of metallurgical engineers Terms starting with alphabet ‘O’ Object – It refers to a physical entity which can be seen or touched. It is something which receives action. Object attribute – It is a named property or characteristic which describes a specific feature or piece of data of an object. …
Read MoreGlossary of technical terms for the use of metallurgical engineers Terms starting with alphabet ‘N’ Nabarro–Herring creep (NH creep) – It is a mechanism of deformation of crystalline materials (and amorphous materials) which occurs at low stresses and held at high temperatures in fine-grained materials. In Nabarro–Herring creep, atoms diffuse through the crystals, and the rate of creep varies inversely with the …
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