In this way, a stable iron phosphate layer is formed. This is followed by an after treatment with a mineral-oil based agent which has a basic reaction and contains a selected special combination of defined constituents. The procedure is characterised in that advantageous corrosion protection ...
1.(Chemistry) a process in which a solid, esp a metal, is eaten away and changed by a chemical action, as in the oxidation of iron in the presence of water by an electrolytic process 2.slow deterioration by being eaten or worn away ...
as the orthopedic fasteners are usually structural elements made of materials with good corrosion resistance, once the healing process is finished, the osteosynthesis material is extracted, which requires
In spite of recent advances in improving mechanical properties by controlling microstructure and alloying, they have not been practically applied to commercial due to low workability. The present authors have proposed a novel process to fabricate a composite laminate consisting of an iron–aluminum ...
The chloride threshold value (Cth), or critical chloride content, is defined as the chloride concentration at the depth of the reinforcement, which initiat... N Silva 被引量: 0发表: 2013年 SERIES OF QUESTIONS AND ANSWERS TO CORROSION OF IRON & STEEL AND PROTECTION OF STEEL STRUCTURE(2) 【...
equipment leads to defective products that must be rejected; they also arise during downtime required for preventive maintenance or repair of equipment. About 30% of all steel and cast iron are lost because of corrosion. Part of this metal can be reprocessed as scrap, but about 10% is ...
ratio γ of the solid products (with respect to pure iron) may fall between 1.7 and 6 (Table 1), it has been found that a significant portion of the corrosion products generated in various marine, urban and industrial environments is comprised of products with γ values of 2–3 [30–32...
2k, the irradiated region is corroded roughly two times less than the corresponding unirradiated region. Mechanistic insights from proton accelerated iron corrosion At this point there exist two possibilities to explain our observation of radiation-decelerated corrosion: (1) irradiation makes the alloy ...
(1)–(5) apply to any general corrosion process (Fig. 1) out of which chloride induced corrosion is a particular case where chloride ions, come from the environment, reach the rebar and reduce the pH breaking the passive shield of the rebar and allowing corrosion processes. Sign in to ...
A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, exter... A Gianazza,L Mairano,G Merelli,... 被...