Tensile strength assessment of corroded small scale specimens

被引:184
|
作者
Garbatov, Y. [1 ]
Soares, C. Guedes [1 ]
Parunov, J. [2 ]
Kodvanj, J. [2 ]
机构
[1] Univ Lisbon, Inst Super Tecn, Ctr Marine Technol & Engn CENTEC, P-1049001 Lisbon, Portugal
[2] Univ Zagreb, Fac Mech Engn & Naval Architecture, Zagreb 41000, Croatia
关键词
Carbon steel; Modeling study; Effect of strain; Hardening; MARINE IMMERSION CORROSION; ULTIMATE STRENGTH; ATMOSPHERIC CORROSION; ENVIRONMENTAL-FACTORS; PITTING CORROSION; SHIP STRUCTURES; STEEL PLATE; RELIABILITY; DEGRADATION; EXPOSURE;
D O I
10.1016/j.corsci.2014.04.031
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Tensile strength tests are performed on small scale corroded specimens, so as to derive their mechanical properties. The specimens were cut from a box girder that was initially corroded in real sea water conditions. As a result of the tensile tests the mechanical properties of the specimens are determined, namely modulus of elasticity, yield stress, tensile strength, resilience, fracture toughness and total uniform elongation. Regression equations are derived for the properties as a function of the degree of corrosion degradation. It is identified that those material parameters are influenced by the severity of corrosion degradation. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:296 / 303
页数:8
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