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Thermal Shock loading of a surface crack in a hollow sphere
Author(s) -
Grebner H.
Publication year - 1993
Publication title -
materialwissenschaft und werkstofftechnik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.285
H-Index - 38
eISSN - 1521-4052
pISSN - 0933-5137
DOI - 10.1002/mawe.19930240515
Subject(s) - thermal shock , surface (topology) , thermal , materials science , mechanics , shock (circulatory) , point (geometry) , stress (linguistics) , stress intensity factor , composite material , surface stress , geometry , physics , fracture mechanics , mathematics , thermodynamics , medicine , linguistics , philosophy
Temperature and stress distributions in a hollow sphere are calculated, caused by a sudden cooling (thermal shock) of the inner surface of a hollow sphere. The thermal stresses are acting as load of surface cracks of approximate semi‐elliptic shape. By means of the weight functions method stress intensity factors are estimated at the deepest point of the cracks using the well‐known Newman‐Raju solution for semi‐elliptical surface cracks in a plate as reference solution.