Fatigue Crack Propagation in Rail Steels

Feddersen, C. E.; Buchheit, R. D.; Broek, D.; Battelle Memorial Institute. Columbus Laboratories

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Fatigue Crack Propagation in Rail Steels

1977-06-01
By Feddersen, C. E. ; Buchheit, R. D. ; Broek, D.

[PDF-3.57 MB]

English

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Creators:

Feddersen, C. E. ; Buchheit, R. D. ; Broek, D.

Feddersen, C. E. ; Buchheit, R. D. ; Broek, D. Less -
Corporate Creators:

Battelle Memorial Institute. Columbus Laboratories
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Federal Railroad Administration

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Department of Transportation. Federal Railroad Administration Less -
Subject/TRT Terms:

[+]

Alloy Steel Cracking Defects Fatigue (Mechanics) Inspection Rail (Railroads) Railroad Tracks Rail Steel Statistical Analysis Steel Testing
Publication/ Report Number:

DOT-TSC-FRA-77-3 ; FRA/ORD-77/14

DOT-TSC-FRA-77-3 ; FRA/ORD-77/14 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. Federal Railroad Administration
Abstract:

In order to establish safe inspection periods of railroad rails, information on fatigue crack growth rates is required. These data should come from a sufficiently large sample of rails presently in service. The reported research consisted of the generation and analysis of fatigue crack growth data of 66 rail samples taken from existing track all over the United States. Additional information concerns mechanical properties, chemical composition, microstructure, and fractographic features. A statistical analysis was performed to evaluate possible correlations with fatigue crack growth properties and microstructural parameters. Weak correlations were found with carbon, manganese and oxygen content, and with the fraction of pearlite. A subsequent phase of this research program is discussed.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:a2cb2e2b7f78081e05595f65ae8b26be0a0407b0a542dd07032d5143ac2b8875
Download URL:

https://rosap.ntl.bts.gov/view/dot/11873/dot_11873_DS1.pdf
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Fatigue Crack Propagation in Rail Steels

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