CA2148870C - Rail presentant une excellente resistance aux dommages causes par le roulis
- Google Patents
Rail presentant une excellente resistance aux dommages causes par le roulis
Info
Publication number
CA2148870C
CA2148870CCA 2148870CA2148870ACA2148870CCA 2148870 CCA2148870 CCA 2148870CCA 2148870 CA2148870 CA 2148870CA 2148870 ACA2148870 ACA 2148870ACA 2148870 CCA2148870 CCA 2148870C
Authority
CA
Canada
Prior art keywords
rail
bainite
hardness
abrasion
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NKK CorpfiledCriticalNKK Corp
Publication of CA2148870A1publicationCriticalpatent/CA2148870A1/fr
Application grantedgrantedCritical
Publication of CA2148870CpublicationCriticalpatent/CA2148870C/fr
Rail having excellent resistance to rolling fatigue damage and rail having excellent toughness and wear resistance and method of manufacturing the same
Rail en acier perlitique a durete interne elevee dont la resistance a l'usure, a la rupture par fatigue et a la fracture retardee sont excellentes ainsi que son procede de fabrication