## Abstract Fatigue crack growth (FCG) experiments were performed on a commercial high density polyethylene (PEโHD) pipe grade classified as PE 100 material. The effects of frequency on FCG behaviour were studied. Furthermore, FCG tests were interrupted in the region of stable crack propagation. Th
Growth of part-through thickness fatigue cracks in sheet polymethylmethacrylate
โ Scribed by B. Mukherjee; D.J. Burns
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 665 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0013-7944
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โฆ Synopsis
Fatigue growth data has been obtained for part-through thickness cracks in sheet specimens of polymethylmethacrylate subjected to cyclic tension. Statistical techniques are used to examine the usefulness of linear elastic fracture mechanics for correlating this pad-through thickness crack growth data with throughthickness data published previously.
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Fatigue tests have been carried out on edge notched mild steel specimens of various thicknesses. Results are presented showing the effect of thickness on crack initiation, crack growth and the geometry and fractography of the fracture surface. It was found that both crack initiation and crack growth