Thermomechanical Testing and Microstructural Development of Class L Steel Wheel Alloy

Pelloux, R. M.; Grundy, D. C.; Massachusetts Institute of Technology; Oregon Graduate Institute of Science and Technology

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Thermomechanical Testing and Microstructural Development of Class L Steel Wheel Alloy

1994-03-01
By Pelloux, R. M. ; Grundy, D. C.

[PDF-2.11 MB]

English

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Details:

Creators:

Pelloux, R. M. ; Grundy, D. C.

Pelloux, R. M. ; Grundy, D. C. Less -
Corporate Creators:

Massachusetts Institute of Technology ; Oregon Graduate Institute of Science and Technology

Massachusetts Institute of Technology ; Oregon Graduate Institute of Science and Technology Less -
Corporate Contributors:

John A. Volpe National Transportation Systems Center, (U.S.) ; United States. Federal Railroad Administration. Office of Research and Development

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

[+]

Compression Mechanical Loads Metallurgy Microstructure Railroad Cars Steel Temperature Wheels
Publication/ Report Number:

DOT-VNTSC-FRA-94-3 ; DOT/FRA/ORD-94/01

DOT-VNTSC-FRA-94-3 ; DOT/FRA/ORD-94/01 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration
NTL Classification:

AGR-INFRASTRUCTURE-Railroads;NTL-RAIL TRANSPORTATION-Rail Safety;NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION;NTL-SAFETY AND SECURITY-Rail Safety;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;
Abstract:

Macrostructure, microstructure, and quantitative metallographic analysis is conducted on Association of American Railroads Class L wheel steel specimens tested in a Gleeble 1500 under combined mechanical compression and resistance heating to temperatures above and below the austenite transformation temperature. The mechanical loading shears the as-received ferrite-pearlite microstructure. A partially or fully recrystallized microstructure is observed in the sheared regions. The recrystallized microstructure contains fine globular carbides typical of a spheroidized steel and is produced at temperatures below the austenite transformation temperature. Trends are found toward increasing recrystallized fraction with increasing temperature and decreasing fraction with increasing compression above 4.5% strain.
Format:

PDF
Funding:

R3026/RR328
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:864d136051f8c1ffad29589097dc758ae731d781f8f01a507b77e487545e3e76
Download URL:

https://rosap.ntl.bts.gov/view/dot/10817/dot_10817_DS1.pdf
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Thermomechanical Testing and Microstructural Development of Class L Steel Wheel Alloy

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