Question

this is a lab

please provide me with clear answeres and measure :

- yeild stress

- ultimate tensile stress

-breaking strain

-young's modulus

52.70 7.00 35.70 R1.50 00'ιιο Φ7.14

Answer 1

Yield stress -52.7 -352 Yield stress is a permanent deformation of the material stants to stres i faren as the stret at which 0.2% plastic deformation occurs. stress at a point where hit$ take pace. Generally yield from figure 60001 By 1000 P1000 Load at yield poind (PM)= 1000 N 02Y. SO (Oy)s Pry 1800 A 09 (7.14) 4 by = 44,95 MPa so Yield strell = 44.95 MPa

Ultimate Temile stren- The Manirem Streys that a nod can withstand is called a citi mote tensile strets. ultimate Temile stred (ou) = Pu (6000) p.. A 1160 Ou = 6000 I Golur? Tu = 149.85 MPa Therefore ultimate temple stress toul=149.85 MPa Breaking strain strain at the br breaking point. Es change in length original length 35.70 &b = 0.22409

the Young'e_ Moclulus It is the measure of ability of the material to withstand the changes length when a stress in applied longitudinal on it strell Younge Niodulus 14). Congitudina strain ele A Cell V 4a 1750 Ur (7.14) u 2 35.7 4 = 780.171 W/mmst Thank you ☺

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