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(a) What substance (element) is added to iron to produce mild steel. (b) A tensile test might produce values for the force applied to a specimen and the resulting extension. How would these values be converted to values of stress and strain? (c) Sketch a stress versus strain graph for a material, such as mild steel, which exhibits linear elastic and plastic properties. Identify, on the figure: i. the limit of proportionality ii. the elastic region (d) A specimen of metal of original length 80mm and original diameter 21mm was subjected to tensile a test. The load and extension at the limit of proportionality were found to be 105,000N and 0.082mm. The yield point was at a load of 112,000N. The maximum load before the material failed was 199,000N. The final length at failure was 91mm. Calculate: i. the stress at the limit of proportionality ii. the yield stress ii. the ultimate tensile stress iv. the value of Young's Modulus V. the strain at failure

(a) What substance (element) is added to iron to produce mild steel. (b) A tensile test might produce values for the force applied to a specimen and the resulting extension. How would these values be converted to values of stress and strain? (c) Sketch a stress versus strain graph for a material, such as mild steel, which exhibits linear elastic and plastic properties. Identify, on the figure: i. the limit of proportionality ii. the elastic region (d) A specimen of metal of original length 80mm and original diameter 21mm was subjected to tensile a test. The load and extension at the limit of proportionality were found to be 105,000N and 0.082mm. The yield point was at a load of 112,000N. The maximum load before the material failed was 199,000N. The final length at failure was 91mm. Calculate: i. the stress at the limit of proportionality ii. the yield stress ii. the ultimate tensile stress iv. the value of Young's Modulus V. the strain at failure

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 56P: Alarge uniform cylindrical steel rod of density =7.8g/cm3 is 2.0 m long and has a diameter of 5.0...
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(a) What substance (element) is added to iron to produce mild steel. (b) A tensile test might produce values for the force applied to a specimen and the resulting extension. How would these values be converted to values of stress and strain? (c) Sketch a stress versus strain graph for a material, such as mild steel, which exhibits linear elastic and plastic properties. Identify, on the figure: i. the limit of proportionality ii. the elastic region (d) A specimen of metal of original length 80mm and original diameter 21mm was subjected to tensile a test. The load and extension at the limit of proportionality were found to be 105,000N and 0.082mm. The yield point was at a load of 112,000N. The maximum load before the material failed was 199,000N. The final length at failure was 91mm. Calculate: i. the stress at the limit of proportionality ii. the yield stress ii. the ultimate tensile stress iv. the value of Young's Modulus V. the strain at failure
Transcribed Image Text:(a) What substance (element) is added to iron to produce mild steel. (b) A tensile test might produce values for the force applied to a specimen and the resulting extension. How would these values be converted to values of stress and strain? (c) Sketch a stress versus strain graph for a material, such as mild steel, which exhibits linear elastic and plastic properties. Identify, on the figure: i. the limit of proportionality ii. the elastic region (d) A specimen of metal of original length 80mm and original diameter 21mm was subjected to tensile a test. The load and extension at the limit of proportionality were found to be 105,000N and 0.082mm. The yield point was at a load of 112,000N. The maximum load before the material failed was 199,000N. The final length at failure was 91mm. Calculate: i. the stress at the limit of proportionality ii. the yield stress ii. the ultimate tensile stress iv. the value of Young's Modulus V. the strain at failure
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