In: Mechanical Engineering
6.Demonstrate the effect of cold work on the yield strength, tensile strength, percent elongation, Rockwell B hardness, and modulus of elasticity of Red Brass for flat products by plotting these quantities as functions of the percent cold work using EXCEL. Use English system data obtained from www.matweb.comfor HXX tempers.
Estimated data from available material sources for %cold work and other mechanical properties for Red Brass for Flat parts with reference to www.matweb.com Red brass UNS C23000 (230 Brass) H08 temper flat products |
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% cold work (%CW) | Hardness (Rockwell) | YS(Mpa) | UTS (Mpa) | % Elongation |
10 | 32 | 168.00 | 280.00 | 40.00 |
14 | 40 | 285.00 | 415.00 | 34.00 |
18 | 48 | 366.00 | 460.00 | 25.00 |
22 | 54 | 375.00 | 478.00 | 20.00 |
26 | 61 | 387.00 | 487.00 | 16.00 |
30 | 69 | 398.00 | 505.00 | 10.00 |
34 | 74 | 410.00 | 509.00 | 8.00 |
38 | 80 | 425.00 | 514.00 | 5.00 |
42 | 86 | 435.00 | 520.00 | 4.00 |
Effect of % cold work on :
Yield Strength : increases
Tensile Strength : increases
Hardness : Increases
% elongation : Decreases