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Variable Amplitude Fatigue Crack Growth Characteristics of Railroad Tank Car Steel. Volume III.
| 题名： | Variable Amplitude Fatigue Crack Growth Characteristics of Railroad Tank Car Steel. Volume III. |
| 作者： | feiger, j. h. mckckeighan, p. c. |
| 关键词： | load interaction, modeling guidelines |
| 摘要： | The load history that railroad tank cars experience has a significant variable amplitude characteristic. Although previous efforts have been directed toward understanding baseline fatigue crack growth behavior of TC-128B steel as a function of material lot, orientation, and environment, little is known regarding how load interaction impacts crack growth behavior in a typical tank car steel. Load interaction occurs when the variable amplitude character of the loading results in crack growth that differs as a function of load history effects in the wake of the crack. The focus of this testing effort was to determine empirically how TC-128B behaves under these types of simplified loading conditions. The data provided in this report links the constant amplitudeloading regime to the more complex variable amplitude-loading regime that tank cars experience during in-service use. The data can also be used as modeling guidelines to better understand the role of variable amplitude loading on TC-128B. / NOTE: Final rept. / Supplementary Notes: Sponsored by Federal Railroad Administration, Washington, DC. Office of Research and Development. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 报告类型： | 科技报告 |
相关文献
- Fatigue Crack Growth Behavior of Railroad Tank Car Steel TC-128B Subjected to Various Environments. Volume II. Appendices.
- Fatigue Crack Growth Equations for TC-128B Tank Car Steel.
- Fatigue Crack Growth Behavior of Railroad Tank Car Steel TC-128B Subjected to Various Environments. Volume I.
- Study of Near-Threshold Fatigue Crack Propagation in Pipeline Steels in High Pressure Environments
- Stub Sill Railroad Tank Car Research Project: Full-Scale Damage Tolerance Test.
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