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Calculation of Stress Intensity Factors for semi-elliptical surface cracks in a turbine rotor

✍ Scribed by H. Grebener; U. Strathmeier; G. Gnirß; W. Herzog


Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
296 KB
Volume
19
Category
Article
ISSN
0933-5137

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Subcritical Crack Growth of semi-ellipti
✍ H. Grebner; U. Strathmeier; G. Gnirß; W. Herzog 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 255 KB 👁 1 views

The subcritical growth of semi-elliptical surface cracks in the front face of a cylindrical disk was calculated. The disk represents a part of a turbine rotor. The stress intensity factors, which are the basis for the calculations presented here, were given in a former paper [l]. The load steps cons

Calculation of Stress Intensity Factors
✍ Dr. H. Grebner 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 427 KB 👁 1 views

By means of the weight functions method stress intensity factors were calculated for axial semi-elliptical surface cracks in a pipe with cladding. The component is loaded by a thermoshock. Starting from a stress-free state the inner surface of the cladding is suddenly cooled down. The time-dependent

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✍ H. Grebner 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 297 KB 👁 1 views

By means of the finite element method crack opening displacements were calculated for long axial surface cracks at the outer wall of a pipe. The wall thickness to inner radius ratio of the pipe was 1 to 10. Following a procedure introduced be Mattheck et al. weight functions were evaluated by means