Problem 8: The following load elongation data were recorded during the tensiletesting of a copper bar measuring 0.505 in. (0.0128 m) in diameter, with a gaugelength of 2 in. (0.0508 m).d. What is the percentage elongation at fracture?e. Calculate true stress-true strain values up to onset of necking. Tensile test dataLoadElongationIb Nin.10- m7,5503340 14,8003500 15,5004200 18,6002.545.0810.217000.0010.0020.0040.102545000 22,2006200 27,5007200 32,0007800 34,6007500 33,3006000 26,6000.2508102015200.40.60.820301.0025401.052670Derived stress-strain valuesTrueEngineeringstress (o)-strain (e)stress (7,)-strain (e)psiMPain./in. or m/mpsiMPain./in. or m/m8,50016,70017,50021,00025,00031,00036,00039,00037,50030,00058.60.00050.0018,50016,70017,50022,00027,50037,20046,80054,60058.61151150.0011210.0021210.0021521451720.050.0490.10.21892563220.0952142480.1820.2620.32692580.43760.3360.50.525I Necking to failure207

Percentage elongation at fracture = Percentage strain at fracture From the given chart of…

Problem 8: The following load elongation data were recorded during the tensile testing of a copper bar measuring 0.505 in. (0.0128 m) in diameter, with a gauge length of 2 in. (0.0508 m). d. What is the percentage elongation at fracture? e. Calculate true stress-true strain values up to onset of necking.

Problem 8: The following load elongation data were recorded during the tensile testing of a copper bar measuring 0.505 in. (0.0128 m) in diameter, with a gauge length of 2 in. (0.0508 m). d. What is the percentage elongation at fracture? e. Calculate true stress-true strain values up to onset of necking.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.2P

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