FR2578857B1 - PROCESS FOR EXPLOSIVE HARDENING OF THE MOLDED PART OF ACUTE CROSSINGS OF RAILWAY CONNECTIONS. - Google Patents

PROCESS FOR EXPLOSIVE HARDENING OF THE MOLDED PART OF ACUTE CROSSINGS OF RAILWAY CONNECTIONS.

Info

Publication number
FR2578857B1
FR2578857B1 FR8503780A FR8503780A FR2578857B1 FR 2578857 B1 FR2578857 B1 FR 2578857B1 FR 8503780 A FR8503780 A FR 8503780A FR 8503780 A FR8503780 A FR 8503780A FR 2578857 B1 FR2578857 B1 FR 2578857B1
Authority
FR
France
Prior art keywords
crossings
acute
molded part
railway
connections
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.)
Expired
Application number
FR8503780A
Other languages
French (fr)
Other versions
FR2578857A1 (en
Inventor
Roman Zakharovich Kats
Nikolai Nikitovich Putrya
Konstantin Ivanovich Krasikov
Andrei Andreevich Deribas
Tatyana Maximovna Sobolenko
Vladimir Alexandrovic Pryakhin
Alexandr Vasilievich Vodyanov
Alexandr Grigorievich Tsarenko
Evgeny Evgenievich Zubkov
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.)
INST ZHELEZNODOROZHNOGO TRAN
Original Assignee
INST ZHELEZNODOROZHNOGO TRAN
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 INST ZHELEZNODOROZHNOGO TRAN filed Critical INST ZHELEZNODOROZHNOGO TRAN
Publication of FR2578857A1 publication Critical patent/FR2578857A1/en
Application granted granted Critical
Publication of FR2578857B1 publication Critical patent/FR2578857B1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Heat Treatment Of Articles (AREA)
FR8503780A 1985-03-12 1985-03-14 PROCESS FOR EXPLOSIVE HARDENING OF THE MOLDED PART OF ACUTE CROSSINGS OF RAILWAY CONNECTIONS. Expired FR2578857B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08506311A GB2172234B (en) 1985-03-12 1985-03-12 Method of explosive hardening a cast portion of acute angle frogs of railroad switches

Publications (2)

Publication Number Publication Date
FR2578857A1 FR2578857A1 (en) 1986-09-19
FR2578857B1 true FR2578857B1 (en) 1989-01-06

Family

ID=10575833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8503780A Expired FR2578857B1 (en) 1985-03-12 1985-03-14 PROCESS FOR EXPLOSIVE HARDENING OF THE MOLDED PART OF ACUTE CROSSINGS OF RAILWAY CONNECTIONS.

Country Status (4)

Country Link
AT (1) AT385218B (en)
DE (1) DE3508998A1 (en)
FR (1) FR2578857B1 (en)
GB (1) GB2172234B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9719158B2 (en) 2014-12-29 2017-08-01 Progress Rail Services Corporation Explosively depth hardened crawler shoes
GB2581383A (en) * 2019-02-15 2020-08-19 Progress Rail Services Uk Ltd Improved steel railway crossing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703297A (en) * 1951-03-26 1955-03-01 Kelly L Taulbee Method of hardening manganese steel
FR1289813A (en) * 1961-05-10 1962-04-06 Du Pont Metal hardening process

Also Published As

Publication number Publication date
ATA131386A (en) 1987-08-15
GB8506311D0 (en) 1985-04-11
GB2172234A (en) 1986-09-17
GB2172234B (en) 1988-04-07
FR2578857A1 (en) 1986-09-19
DE3508998A1 (en) 1986-09-25
AT385218B (en) 1988-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse