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Download PDF, EPUB, MOBI Variable Amplitude Fatigue Crack Growth Characteristics of Railroad Tank Car Steel Volume III

Variable Amplitude Fatigue Crack Growth Characteristics of Railroad Tank Car Steel Volume III by U S Department of Transportation

Variable Amplitude Fatigue Crack Growth Characteristics of Railroad Tank Car Steel Volume III
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Author: U S Department of Transportation
Number of Pages: 46 pages
Published Date: 17 Dec 2013
Publisher: Createspace
Publication Country: United States
Language: English
ISBN: 9781494707392
File size: 43 Mb
File Name: Variable.Amplitude.Fatigue.Crack.Growth.Characteristics.of.Railroad.Tank.Car.Steel.Volume.III.pdf
Download Link: Variable Amplitude Fatigue Crack Growth Characteristics of Railroad Tank Car Steel Volume III
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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.

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