Formability Of Metal Sheets

The formability is the capability of sheet metal to undergo plastic deformation to a given shape without defects.
Formability of metal sheets. The defects have to be considered separately for the fundamental sheet metal forming procedures of deep drawing and stretching. Titanium and niobium are very effective in. Formability of sheet metal can be evaluated by various tests like swift cup drawing test fukui s conical cup drawing test erichsan cupping test osu formability test hydraulic bulge test duncan. The difference between these types of stamping procedures is based on the mechanics of the forming process.
If nitrogen increases from 0 002 to 0 006 by weight the anisotropy falls by 0 15. Carbon nitrogen and sulfur contribute to decreasing of anisotropy ratio through various mechanisms. Necking is localized thinning of the metal that is greater than the thinning of the surrounding metal. Formability of sheet metals metallurgy 1.
Sheet metal forming ranges from simple bending to stretching to deep drawing of complex parts fig. Formability refers to the ability of sheet metal to be formed into a desired shape without necking or cracking.