Your manager asked you to explain the difference between three-point bending test and four-point bending test by using a standard specimen each one has the following dimensions: 1. Force = 30 KN. 2. Thickness= 5 cm. 3. Width = 10 cm. 4. Length = 25 cm. Calculate the stress on each specimen then justify your answer.

Your manager asked you to explain the difference between three-point bending test and four-point bending test by using a standard specimen each one has the following dimensions: 1. Force = 30 KN. 2. Thickness= 5 cm. 3. Width = 10 cm. 4. Length = 25 cm. Calculate the stress on each specimen then justify your answer.

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter25: Testing And Inspection

Section: Chapter Questions

Problem 29R: Why are guidelines drawn on the surface of a free-bend specimen?

See similar textbooks

Similar questions

Was there a discrepancy between the values of Young's Modulus found in the tensile test and the bending test? If so, why does this occur?
By performing torsion tests, which develop pure shear in a ductile specimen, does the maximum distortion energy theory accurate results?
Tensile test is a method to investigate the elasticity of a material. A test specimen is placed between two clamps and these clamps will move in opposite directions, hence straining the test specimen. This experiment will yield a stress-strain curve that shows each of the stages of the specimen for every load is applied. With an aid of sketching diagrams, describe the stages that the specimen experiences before it breaks, and relate it with the stress-strain curve. It is expected that each stage comes with a sketching of the specimen and explanation of the current stage.
Briefly discuss the differences between the Engineering Stress versus Engineering Strain and the True Stress versus True Strain Diagrams for the test specimen. Briefly explain why the two plots are different. When is the use of Engineering Stress versus Engineering Strain invalid?
When an aluminum tensile sample with an initial diameter of 12.827 mm was tested, a maximum load of 66.72 kN was recorded at an engineering strain of 0.4 . What is the load on an identical tensile sample with an engineering strain of 0.2 ?
Briefly comment on the values obtained for the Elastic Modulus, Yield Strength, Ultimate Strength and Toughness of the test specimen as compared to values of various comparable materials found in the literature. Is the test material comparatively strong? Is it stiff? Is it tough? Yield strength is 186Mpa, elastic modulus is 44.8GPa And the ultimate strength is 238.7mpa
A bending test is done on a specimen with the dimensions, Support span "L" is equal to 21 cm, the thickness "w" is equal to 2mm; the bending stress is equal to 17.5MPa, the force that was exerted on the specimen is equal to 6N, then the width "t" will be equal to:
A cylindrical specimen of brass that has a diameter of 15 mm, a tensile modulus of 100 GPa, and a Poisson's ratio of 0.35 is pulled in tension with a force of 40, 000 N. If the deformation is totally elastic and the original length is 120 mm, what is the final diameter of the specimen in mm?
A tensile specimen is elongated to twice its original length. Determine the engineering strain and true strain for this test? If the values are different explanations why they are different?
Draw a typical stress vs strain tensile test curve for the following material and label the axis. A typical brittle material subjected to a tensile stress that has been applied to the material till the sample breaks. 1- label the axis and draw the curve for a brittle material. 2- indicate the maximum strength of the material. 3- show on the portion of the curve where young's modulus can be calculated.
Tensile test under 40,000 N load was applied to a low carbon steel with a sample diameter of 6 mm. As the diameter of the specimen under load decreases to 5 mm, calculate a) Engineering stress and% elongation values, b) Actual stress and% elongation values.
In what situations would you use a hardess test instead of a Tensile test?