Hot cracks formation in the weld joint.
Possibility of hot cracks formation in welded seam is determined by next factors: 1) Size and character of plastic deformations, formed in metal of welded se...
Author: Ivan Perfilyev
Pores in welded joint (part 1).
According to AWS A3.0 document the porosity is determined as “continuity transgression in the form of hollow space, formed by captured gas in consolidation proc...
Tensile tests (Part 5).
For each material, tested for tensile tests, this curve has constant slope. This slope is called elastic modulus. Steel elastic modulus (or Young modulus) under...
Welding cracks and their classification.
According to dimensions and influence on metal density are there two categories of cracks (local ruptures): microcracks (their dimensions are comparable to dime...
Crystals nucleation in liquids (Part 2).
For formation of nucleuses of critical size there is not enough energy, exuded during atoms transfer from liquid to crystals. It compensates these energetic con...