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Surface coatings protection is one to the most important processes ensuring efficient and economic use of given materials. Coatings are applied on original material surface and they have usually different chemical composition and structure than the basic material. Numerous methods of coating applications comprise also explosive bonding [1, 2]. Explosive bonding belongs to the group of pressure welding...
Due to special morphology, AF microstructure makes possible to obtain a very favourable combination of mechanical properties (strength, ductility and toughness). The significant parameter is the deflection mechanism limiting cleavage crack propagation. Although the nucleation role of fine special non-metallic inclusions as inoculants controlling the austenite (A)-decomposition into ferrite has been...
Hydrogen induced cracking (HIC) of steel occurs in corrosive environment containing wet hydrogen sulphide. In case of line pipe steel produced from continuously cast slab, HIC parallel to the plate surface occurs in the segregated zone usually at the mind-thickness of plate. In a low pH environment (pH=3,0 - + 3,5), it is impossible to suppress HIC by addition of alloying elements which are so far...
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