Tensile testing, fatigue and corrosion: the metals part of the FE Civil Materials area.
NCEES lists these Materials topics for the FE Civil: mix design of concrete and asphalt; test methods and specifications for steel, concrete, aggregates, asphalt and wood; physical and mechanical properties of steel, concrete, aggregates, asphalt and wood. On Newton’s Notes this area spans 2 chapters: this one and Civil Materials. Only 13.1 and 13.4 apply to the FE Civil; 13.2 Crystal Structure and Phase Diagrams and 13.3 Heat Treatment are FE Mechanical material, and concrete, aggregates and asphalt are in Civil Materials.
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A tensile test produces the stress-strain curve.
A 12.5 mm diameter bar necks down to 8 mm at fracture. What is the percent reduction of area?
RA = 1 − (8/12.5)2 = 1 − 0.41 = 59%.
Common trap: (A) is the final area as a fraction of the original.
Materials Sciencestress-strainHardnessThat was 1 of 3 problems in this section. The full course has the lesson, a worked example and every problem. Start your 3-day free trial →
Parts under repeated loading can fail well below their yield strength.
Which failure mode is most associated with high temperature and sustained load over time?
Slow deformation under constant load at high temperature is creep.
FatigueCorrosiongalvanic seriesManufacturingThat was 1 of 3 problems in this section. The full course has the lesson, a worked example and every problem. Start your 3-day free trial →
Newton’s Notes FE Civil has 18 chapters (11 shared with Mechanical, 7 Civil-only) with lessons, worked examples and 420+ FE-style practice problems with full solutions, 171 of them Civil-only. Pro adds a timed full-length FE Civil practice exam (110 problems), a custom test builder and Ask Newton, the AI tutor. Try it free for 3 days, no card to start.
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