Indy/Life. Eating disorders such as anorexia and bulimia cost the country more than Â£15bn a year, according to the first analysis of the financial effects of the problems.
The centerline crack show on this fillet weld is the result of. low melting point material segregation (or segregation weld. cracking). Crater cracking occurs when the welding operator stops welding prior to finishing a pass on a weld joint, leaving a wide, thin depression at the end.
Weld porosity is the presence of tiny cavities in a piece of welded metal. Porosity can cause all kinds of problems in your welds, so you want to fix the causes of your porosity before they affect your project. Porosity comes in two varieties. Surface porosity, as youâd guess, occurs on the surface of the metal.