FR2317706A1 - Monitoring of heat treatment partic. for annealing - e.g. in cold rolling cementation etc. using chopped light beams and optical fibre light guides - Google Patents

Monitoring of heat treatment partic. for annealing - e.g. in cold rolling cementation etc. using chopped light beams and optical fibre light guides

Info

Publication number
FR2317706A1
FR2317706A1 FR7621056A FR7621056A FR2317706A1 FR 2317706 A1 FR2317706 A1 FR 2317706A1 FR 7621056 A FR7621056 A FR 7621056A FR 7621056 A FR7621056 A FR 7621056A FR 2317706 A1 FR2317706 A1 FR 2317706A1
Authority
FR
France
Prior art keywords
thermal treatment
partic
annealing
cold rolling
monitoring
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.)
Granted
Application number
FR7621056A
Other languages
French (fr)
Other versions
FR2317706B3 (en
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.)
British Steel Corp
Original Assignee
British Steel 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 British Steel Corp filed Critical British Steel Corp
Publication of FR2317706A1 publication Critical patent/FR2317706A1/en
Application granted granted Critical
Publication of FR2317706B3 publication Critical patent/FR2317706B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/02—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values
    • G01K3/04—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values in respect of time
    • 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
    • C21D11/00—Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

In the determination of the degree of thermal treatment received by a mass of material during such treatment, (i) a signal representative of the thermal treatment temp. as a function of time is integrated in accordance with the relationship:- where N = number of thermal treatment units; t = duration of thermal treatment (hours), T = temp. of thermal treatment (degree K) and f (T) = relative course of softening or hardening at different temps. while K1 = constant; (ii) the values of (N) during the course of thermal treatment are added and (iii) the degree of thermal treatment received by the mass of material is determined. The signal may be integrated continuously or may be sampled and integrated at selected intervals during the thermal treatment. Enables account to be taken of variations of temp. partic. for annealing so as to decide whether or not a batch has been adequately annealed e.g. for cold rolling.
FR7621056A 1975-07-09 1976-07-09 Monitoring of heat treatment partic. for annealing - e.g. in cold rolling cementation etc. using chopped light beams and optical fibre light guides Granted FR2317706A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2893375 1975-07-09

Publications (2)

Publication Number Publication Date
FR2317706A1 true FR2317706A1 (en) 1977-02-04
FR2317706B3 FR2317706B3 (en) 1979-04-06

Family

ID=10283551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621056A Granted FR2317706A1 (en) 1975-07-09 1976-07-09 Monitoring of heat treatment partic. for annealing - e.g. in cold rolling cementation etc. using chopped light beams and optical fibre light guides

Country Status (7)

Country Link
JP (1) JPS5228413A (en)
BE (1) BE843847A (en)
DE (1) DE2630818A1 (en)
FR (1) FR2317706A1 (en)
IT (1) IT1063196B (en)
NL (1) NL7607659A (en)
SE (1) SE7607812L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034057A2 (en) * 1980-02-09 1981-08-19 Kabushiki Kaisha Kobe Seiko Sho Method for postweld heat treatment

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007014120U1 (en) 2007-10-10 2007-12-13 Ipsen International Gmbh Device for automated definition of process parameters
DE102019212171A1 (en) * 2019-08-14 2021-02-18 Robert Bosch Gmbh Method and device for optimizing an inductive heat treatment process using a Bayesian optimization process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034057A2 (en) * 1980-02-09 1981-08-19 Kabushiki Kaisha Kobe Seiko Sho Method for postweld heat treatment
EP0034057A3 (en) * 1980-02-09 1981-10-07 Kabushiki Kaisha Kobe Seiko Sho Method for postweld heat treatment

Also Published As

Publication number Publication date
JPS5228413A (en) 1977-03-03
SE7607812L (en) 1977-01-10
IT1063196B (en) 1985-02-11
NL7607659A (en) 1977-01-11
FR2317706B3 (en) 1979-04-06
BE843847A (en) 1976-11-03
DE2630818A1 (en) 1977-01-27

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