parallel to the direction of its length the length of the reinforcement plate extending in the longitudinal direction; the web extending along the length direction two end portions of the upper surface of the welding of the substrate, forming a constraint weld; the the upper surface of the ...
The first fatigue crack is initiated and started to propagate near the edge of the specimen, so the crack front is not parallel to the width of the specimen. The smooth surface is characteristic of the fatigue crack growth phase, while the rest of the fracture surface, which is rough and ...