Investigation on True Stress-Strain Curves of Flat and Corner Regions of Cold-Formed Section Using 3D Digital Image Correlation Method

Figure 3

Fabrication and dimensions of flat and corner coupons from the cold-formed steel channel component: (a) flat and corner regions of cold-formed section; (b) flat coupons; (c) dimensions of flat coupon; (d) corner coupons; (e) dimensions of corner coupon.

(a)

(b)

(c)

(d)

(e)