FR2572526B1 - Eprouvette pour la determination de la teneur en carbone dans des couches superficielles. - Google Patents

Eprouvette pour la determination de la teneur en carbone dans des couches superficielles.

Info

Publication number
FR2572526B1
FR2572526B1 FR858515816A FR8515816A FR2572526B1 FR 2572526 B1 FR2572526 B1 FR 2572526B1 FR 858515816 A FR858515816 A FR 858515816A FR 8515816 A FR8515816 A FR 8515816A FR 2572526 B1 FR2572526 B1 FR 2572526B1
Authority
FR
France
Prior art keywords
test
determining
carbon content
surface layers
layers
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
FR858515816A
Other languages
English (en)
French (fr)
Other versions
FR2572526A1 (fr
Inventor
Horst Pillhofer
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.)
MTU Aero Engines AG
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of FR2572526A1 publication Critical patent/FR2572526A1/fr
Application granted granted Critical
Publication of FR2572526B1 publication Critical patent/FR2572526B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/66—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
    • G01N21/67—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
FR858515816A 1984-10-27 1985-10-24 Eprouvette pour la determination de la teneur en carbone dans des couches superficielles. Expired FR2572526B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843439472 DE3439472A1 (de) 1984-10-27 1984-10-27 Probe zur bestimmung des kohlenstoffgehalts in oberflaechenschichten

Publications (2)

Publication Number Publication Date
FR2572526A1 FR2572526A1 (fr) 1986-05-02
FR2572526B1 true FR2572526B1 (fr) 1989-06-23

Family

ID=6248966

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858515816A Expired FR2572526B1 (fr) 1984-10-27 1985-10-24 Eprouvette pour la determination de la teneur en carbone dans des couches superficielles.

Country Status (4)

Country Link
DE (1) DE3439472A1 (enExample)
FR (1) FR2572526B1 (enExample)
GB (1) GB2166238B (enExample)
IT (1) IT1185427B (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1476182A (fr) * 1966-04-15 1967-04-07 Tsnii Tchornoy Metallourgiy Procédé et appareil de détermination rapide de la teneur en gaz d'un métal
US3942892A (en) * 1974-07-08 1976-03-09 British Steel Corporation Apparatus and method for the spectroscopic analysis of solid metal articles
JPS5972053A (ja) * 1982-10-18 1984-04-23 Mitsubishi Electric Corp 金属材料品質検査法

Also Published As

Publication number Publication date
DE3439472C2 (enExample) 1988-03-24
FR2572526A1 (fr) 1986-05-02
IT8522456A0 (it) 1985-10-11
GB2166238B (en) 1988-05-25
DE3439472A1 (de) 1986-04-30
IT1185427B (it) 1987-11-12
GB8524185D0 (en) 1985-11-06
GB2166238A (en) 1986-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse