FR2968759B1 - NON-DESTRUCTIVE METHOD FOR ESTIMATING TEMPERATURE AND OVERHEATING PERIOD OF A TURBOMACHINE METAL PIECE - Google Patents
NON-DESTRUCTIVE METHOD FOR ESTIMATING TEMPERATURE AND OVERHEATING PERIOD OF A TURBOMACHINE METAL PIECEInfo
- Publication number
- FR2968759B1 FR2968759B1 FR1060444A FR1060444A FR2968759B1 FR 2968759 B1 FR2968759 B1 FR 2968759B1 FR 1060444 A FR1060444 A FR 1060444A FR 1060444 A FR1060444 A FR 1060444A FR 2968759 B1 FR2968759 B1 FR 2968759B1
- Authority
- FR
- France
- Prior art keywords
- samples
- metal piece
- destructive method
- temperature
- turbomachine
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000013021 overheating Methods 0.000 title abstract 2
- 238000004040 coloring Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
-
- 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
Abstract
Procédé d'estimation d'une température et d'une durée de surchauffe d'une pièce métallique de turbomachine, consistant à préparer plusieurs échantillons réalisés dans un matériau identique à celui de la pièce et à les soumettre à un traitement thermique oxydant à des températures et pendant des durées prédéterminées, de façon à provoquer au moins pour certains échantillons une coloration thermique superficielle par oxydation du matériau, à préparer un nuancier de coloration thermique du matériau en classant les échantillons sur un support en fonction de leur température et de leur durée de traitement, et à comparer la coloration thermique de la pièce à celles des échantillons du nuancier.Method for estimating a temperature and a duration of overheating of a metal part of a turbomachine, consisting in preparing several samples made of a material identical to that of the part and in subjecting them to an oxidizing heat treatment at temperatures and during predetermined times, so as to cause at least for certain samples a superficial thermal coloring by oxidation of the material, to prepare a thermal coloring chart of the material by classifying the samples on a support according to their temperature and their duration of treatment, and to compare the thermal coloring of the part with those of the samples in the color chart.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1060444A FR2968759B1 (en) | 2010-12-13 | 2010-12-13 | NON-DESTRUCTIVE METHOD FOR ESTIMATING TEMPERATURE AND OVERHEATING PERIOD OF A TURBOMACHINE METAL PIECE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1060444A FR2968759B1 (en) | 2010-12-13 | 2010-12-13 | NON-DESTRUCTIVE METHOD FOR ESTIMATING TEMPERATURE AND OVERHEATING PERIOD OF A TURBOMACHINE METAL PIECE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2968759A1 FR2968759A1 (en) | 2012-06-15 |
FR2968759B1 true FR2968759B1 (en) | 2014-04-18 |
Family
ID=43825252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1060444A Active FR2968759B1 (en) | 2010-12-13 | 2010-12-13 | NON-DESTRUCTIVE METHOD FOR ESTIMATING TEMPERATURE AND OVERHEATING PERIOD OF A TURBOMACHINE METAL PIECE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2968759B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3004808B1 (en) | 2013-04-22 | 2015-04-17 | Snecma | METHOD FOR ANALYZING A BREAKING FACES OF A TURBOMACHINE PIECE |
CN111660962A (en) * | 2020-06-29 | 2020-09-15 | 北京博格华纳汽车传动器有限公司 | Transfer case ablation prevention early warning method and device and four-wheel drive vehicle |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5580172A (en) * | 1994-10-11 | 1996-12-03 | Solar Turbines Incorporated | Method and apparatus for producing a surface temperature map |
-
2010
- 2010-12-13 FR FR1060444A patent/FR2968759B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR2968759A1 (en) | 2012-06-15 |
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Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170717 |
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