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Gadeyev AV Author
Subjects of specialization
Affiliation
Deformation,Constructional steel,Coercivity measurement,Damaging
Kerch State Marine Technological University, Kerch, Russia Kerch State Marine Technological University, Kerch, Russia Kerch State Marine Technological University, Kerch, Russia
Biography
An objective of this work is a statement of need and necessity of definition of mechanical properties and limited operation life of a metal in the operational process with help of coercive strength. Coercivity measurement; Damaging; Metal; Coercive strength; Constructional steel; Tension; Deformation Kerch State Marine Technological University, Kerch, Russia Kerch State Marine Technological University, Kerch, Russia
Publications
Research Article Open Access
Non-destructive Control in Quality Monitoring of Steel Construction
Author(s): Maksimov AB and Gadeyev AV
This work based on literary data discusses the influence of the process of metal fatigue on the change of coercivity. Experimentation on alternate stress (alternating voltage) has resulted in an increase of defects concentration of a structure: pin-hole defects – vacancies, line defects – relocations, volumetric defects – micro separation. The area of reversible damaging was chosen as a criterion of an uninterrupted operation. According to a linear accumulative damage theory (Ψi) there was chosen an amount equal to ratio a number of strain cycles (ni) to the totality of strain cycles at the given strain or load amplitude (Np). It is proposed to consider that in the area of reversible damaging a condition Ψ= (0,2-0,3)δp must be... view more»
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