Hw_Week06 - Displacement (mm) Mode I Fracture Data Load 1...

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AAE 352 Summer 2010 Homework 6 Due: Tuesday 7/27/2010 Readings/Media Sun Chapter 6 Pages 183 through 209, Sun Chapter 7 Pages 225 through 235 Problems The two fracture problems below and from Dr. Sun's book problem 7.2 and 7.4. 1. Determine the Mode I critical strain energy release rate for the double cantilever beam (DCB) specimen (see Figure 6.10) given the following raw data. The specimen has a width of 26 mm and a thickness of 3.5 mm: Point Displacement (mm) Load (N) a (mm) A 0 0 - B 2.4 30 71 C 2.7 24 77 D 4.4 22 92 E 5.5 21 98 F 6.3 20 104 0 5 10 15 20 25 30 35 0 2 4 6 8 Load (N)
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Unformatted text preview: Displacement (mm) Mode I Fracture Data Load 1 Load 2 Load 3 Load 4 Load 5 A B C D E F 2. Determine the Mode II critical strain energy release rate for the End Notch Flexure (ENF) specimen in three point bending given the following raw data. The specimen has a half-span of 50 mm, a width of 26 mm, a thickness of 3.4 mm and an initial crack length of 28 mm: Displacement (mm) Load (N) a (mm) 0.0 0.0-2.6 461.7 28.2 0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 450.0 500.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Load (N) Displacement (mm) Mode II Fracture Data...
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This note was uploaded on 01/18/2012 for the course AAE 352 taught by Professor Chen during the Fall '08 term at Purdue University-West Lafayette.

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Hw_Week06 - Displacement (mm) Mode I Fracture Data Load 1...

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