Fracture and Fatigue Evaluation of Slot-Welded Railhead Repairs [Research Results]

Aglan, Heshmat; Fateh, Mahmood; United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development

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Fracture and Fatigue Evaluation of Slot-Welded Railhead Repairs [Research Results]

2008-11-01
By Aglan, Heshmat ; Fateh, Mahmood

[PDF-704.39 KB]

English

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Creators:

Aglan, Heshmat ; Fateh, Mahmood

Aglan, Heshmat ; Fateh, Mahmood Less -
Corporate Creators:

United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development
Subject/TRT Terms:

[+]

Fatigue Tests Fracture Properties Gas Metal Arc Welding Railhead Railroad Tracks Slot Welding Welded Joints Welding
Publication/ Report Number:

RR 08-26
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

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

Slot welding is a new method that can be used to repair defects that may be present in the head of the rail. In this method, instead of using a plug rail as is done in all other defect removal techniques, the defect is removed from the railhead via machining a perpendicular slot containing the defect. The slot is then heated to a specified temperature. Once the rail reaches the desired temperature, the slot is filled using gas metal arc welding (GMAW). Any excess weld material is then ground to conform to the contour of the railhead. Based on encouraging results of this projects preliminary work, the goal of the current effort is to perfect this welding process.
Format:

PDF
Collection(s):

Federal Railroad Administration
Main Document Checksum:

[+]

urn:sha256:e904dd6e56ec5a58b0515e888a1d525d6605f06e17ce7bad461f6e83c3e27183
Download URL:

https://rosap.ntl.bts.gov/view/dot/60594/dot_60594_DS1.pdf
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Fracture and Fatigue Evaluation of Slot-Welded Railhead Repairs [Research Results]

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