0819 - 8.11 Strain Hardening ● 211 140 120 800 1040 Steel...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 8.11 Strain Hardening ● 211 140 120 800 1040 Steel 700 100 Tensile strength (MPa) 900 1040 Steel 120 800 80 500 60 600 Brass 80 500 400 Brass Copper 300 40 200 400 Copper 300 60 20 100 0 10 20 30 40 50 60 70 200 0 10 20 30 40 50 60 40 70 Percent cold work (a) 70 Percent cold work ( b) 60 50 Ductility (%EL) 40 Brass 30 20 10 1040 Steel Copper 0 0 10 20 30 40 50 60 70 Percent cold work (c) FIGURE 8.19 For 1040 steel, brass, and copper, (a) the increase in yield strength, (b) the increase in tensile strength, and (c) the decrease in ductility (%EL) with percent cold work. (Adapted from Metals Handbook: Properties and Selection: Irons and Steels, Vol. 1, 9th edition, B. Bardes, Editor, American Society for Metals, 1978, p. 226; and Metals Handbook: Properties and Selection: Nonferrous Alloys and Pure Metals, Vol. 2, 9th edition, H. Baker, Managing Editor, American Society for Metals, 1979, pp. 276 and 327.) Tensile strength (ksi) Yield strength (MPa) Yield strength (ksi) 600 700 100 ...
View Full Document

Ask a homework question - tutors are online