© Professor Bharat Bagepali Four-Point Bending Test using Uniaxial Test sample P
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© Professor Bharat Bagepali Four-Point Bending Test using Uniaxial Test sample Pictured is a Four-Point Bend Test using a very stiff Crosshead Jaw and Pins. The test is to be conducted on an Aluminum Magnesium alloy (AZ63A-T6, Young's Modullus 47GPa, Elongation at break 4%, Rupture Strength SR-130MPa). However, since the 12mm test team ran out of Bending Test samples, it was decided that we would use Uniaxial 3mm Test samples instead, as shown. The sample dimensions are marked Shank Section 2 Very Stiff Upper Loading Jaw 8mm Uniaxial Test sample used in Bending Test Span Section Test Span 60mm a= 30mm Test Span a 30mm All Fillet radii R = 1 mm L-130mm Uniaxial Test 4-Point Bending Test Professor Bharat Bagepalli Four-Point Bending Test using Uniaxial Test sample a. What is the maximum load P that can be applied in the 4-Point Bend test to cause no yield in the sample? b. What is the expected radius of curvature R in the bend test sample above@ max load in the Test Span pictured? C. If this sample was tested as intended in uniaxial tension, what is the maximum load F that can be applied to cause no yield in the sample? You may find these charts handy 3.0 Did= 1.50 2.6 1.05 1.10 11 1.3 1.05 18 1.02 1.0 0,05 0.10 0.25 0.15 ld 0.30 0.05 0.10 0.15 0.30Explanation / Answer
Max load is meaured on the basis of given elasticity which will be equal to 68 gpa as given.
Expected radius of curvature is 216.85m
Max force is stress/area= 365.71
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