American Society of Civil Engineers

Strain Hardening and Aging in Cold-Formed Steel

by Kenneth W. Karren, M.ASCE, (Prof., Dept. of Civ. Engrg., Brigham Young Univ., Provo, Utah) and Mahendrasinhji M. Gohil; formerly, Grad. Student, Dept. of Civ. Engrg., Brigham Young Univ., Provo, Utah

Journal of the Structural Division
, Vol. 101, No. 1, January 1975, pp. 187-200

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Document type: Journal Paper
Abstract: Previous investigations of the effects of cold-forming on light gage steel have dealt primarily with so-called “corners”, where the effect of plastic straining is large and that of strain aging negligible. However, in cases where cold work is less severe, e.g. in cold-formed electric-welded tubing, the influence of strain aging becomes significant. A method for predicting increases in yield strength in members formed with moderate amounts of plastic deformation is presented. The results of this method are compared with experimental results.

ASCE Subject Headings:
Aging (material)
Cold-rolled steel
Construction materials
Strain hardening
Structural engineering