| タイトル | Combined bending-torsion fatigue reliability. III |
| 著者（英） | Nolf, C. F., Jr.; Kececioglu, D.; Chester, L. B. |
| 発行日 | 1975-01-01 |
| 言語 | eng |
| 内容記述 | Results generated by three, unique fatigue reliability research machines which can apply reversed bending loads combined with steady torque are presented. AISI 4340 steel, grooved specimens with a stress concentration factor of 1.42 and 2.34, and Rockwell C hardness of 35/40 were subjected to various combinations of these loads and cycled to failure. The generated cycles-to-failure and stress-to-failure data are statistically analyzed to develop distributional S-N and Goodman diagrams. Various failure theories are investigated to determine which one represents the data best. The effects of the groove, and of the various combined bending-torsion loads, on the S-N and Goodman diagrams are determined. Two design applications are presented which illustrate the direct useability and value of the distributional failure governing strength and cycles-to-failure data in designing for specified levels of reliability and in predicting the reliability of given designs. |
| NASA分類 | STRUCTURAL MECHANICS |
| レポートNO | 75A44244 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/446680 |
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