Low-Endurance Fatigue Strength of Thick-Walled Cylinders: Development of a Testing Machine and Preliminary Results
- 1 June 1965
- journal article
- other
- Published by SAGE Publications in Proceedings of the Institution of Mechanical Engineers
- Vol. 180 (1) , 43-62
- https://doi.org/10.1243/pime_proc_1965_180_010_02
Abstract
Owing to the nature of the stress system in a thick-walled cylinder it is possible to produce fatigue failures in such components after a relatively few repetitions of internal pressure, while still maintaining dimensional stability. This is particularly true for cylinders in which stress raisers are present, a situation of considerable practical importance. The present paper covers in some detail the design and development of apparatus capable of repeatedly applying to cylinders internal pressures of up to 40 tonf/in2. Results are presented for such tests on plain bored cylinders of two diameter ratios, 1.4 and 1.8, and on cylinders in which radial holes have been drilled, the latter having a diameter ratio of 2.25. The investigation has been confined to a 2 1/2 per cent nickel-chromium-molybdenum steel, with an ultimate tensile strength in the region of 58 tonf/in2; the results are intended to supplement the long life data obtained for this material by other investigators.Keywords
This publication has 4 references indexed in Scilit:
- Strength of Thick Cylinders Subjected to Repeated Internal PressureProceedings of the Institution of Mechanical Engineers, 1960
- Fatigue Strength of Cylinders with Cross-BoresJournal of Mechanical Engineering Science, 1959
- Behaviour of Thick-Walled Steel Cylinders Subjected to Internal PressureProceedings of the Institution of Mechanical Engineers, 1958
- Fatigue under Triaxial Stress: Development of a Testing Machine and Preliminary ResultsProceedings of the Institution of Mechanical Engineers, 1956