Calculation methods and analysis of external pressure test results for aluminaceramic spherical shells. Efficiency criteria
The paper discusses most comprehensive (as of today) stability calculation methods for spherical shells with introduction of stress limits. These methods serve to analyze the test results for spherical high-strength aluminaceramic shells obtained in the 1970s by the USSR and in the XXIst century by the USA. The paper also suggests efficiency criteria for such structures with consideration of both properties of material and accuracy of manufacturing. Due to limited scope of data, in some cases the conclusions are mere hypotheses.