CE231lab 5 - Experiment # 4 Title: Tensile Testing of...

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Experiment # 4 Title: Tensile Testing of Metals Name: Matthew Lingam Division #: 8 TA’s Name: Chaitanya Synopsis : During this experiment three samples of cylindrical metals were placed in the tensile testing machine. These metals included 1020 HR, 1020 CR, and 1090 HR. On these samples of metal there was a tensile meter and then the numbers were recorded to the computer. To get these strain values of the metal, the load was variously increased until the sample finally broke. The peak load of the 1090 HR was 37900 lbs, the peak load of the 1020 HR was 14700 lbs, and the peak load of the 1020 CR was 18500 lbs. The percent of elongation of the 1090 HR was 77.60%, the percent of elongation of the 1020 HR was 40.00%, and the percent of elongation of the 1020 CR was 16.40%. When calculated the ultimate strengths of the 1020 HR, 1020 CR, and 1090 HR were 73898.60 psi, 92893.83 psi, and 212054.0143 psi respectively.
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Objectives : The objective of this lab was to apply a tensile force to three different types of steel so that a better understanding of the tensile strength could be developed. This is important to discover to help determine which types of metal should be used in what parts of buildings. Another objective of this lab was to help create a picture of steel in its plastic region.
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This note was uploaded on 03/24/2010 for the course ENGR 231 taught by Professor Weiss during the Spring '10 term at Purdue North Central.

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CE231lab 5 - Experiment # 4 Title: Tensile Testing of...

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