CA1230379A - Mesure de l'epaisseur de feuil d'un enduit non metallique a la surface cintree d'une piece en metal - Google Patents
Mesure de l'epaisseur de feuil d'un enduit non metallique a la surface cintree d'une piece en metalInfo
- Publication number
- CA1230379A CA1230379A CA000485969A CA485969A CA1230379A CA 1230379 A CA1230379 A CA 1230379A CA 000485969 A CA000485969 A CA 000485969A CA 485969 A CA485969 A CA 485969A CA 1230379 A CA1230379 A CA 1230379A
- Authority
- CA
- Canada
- Prior art keywords
- coating
- measuring
- curvature
- thickness
- signal
- 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
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 53
- 239000011248 coating agent Substances 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000012937 correction Methods 0.000 claims abstract description 10
- 230000001419 dependent effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 12
- 230000005672 electromagnetic field Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 38
- 239000000523 sample Substances 0.000 description 23
- 238000001125 extrusion Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000485969A CA1230379A (fr) | 1985-06-28 | 1985-06-28 | Mesure de l'epaisseur de feuil d'un enduit non metallique a la surface cintree d'une piece en metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000485969A CA1230379A (fr) | 1985-06-28 | 1985-06-28 | Mesure de l'epaisseur de feuil d'un enduit non metallique a la surface cintree d'une piece en metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1230379A true CA1230379A (fr) | 1987-12-15 |
Family
ID=4130884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000485969A Expired CA1230379A (fr) | 1985-06-28 | 1985-06-28 | Mesure de l'epaisseur de feuil d'un enduit non metallique a la surface cintree d'une piece en metal |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1230379A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353656A (zh) * | 2022-01-11 | 2022-04-15 | 中北大学 | 一种渐变曲率工件涂层厚度的涡流测量曲面校正方法 |
-
1985
- 1985-06-28 CA CA000485969A patent/CA1230379A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353656A (zh) * | 2022-01-11 | 2022-04-15 | 中北大学 | 一种渐变曲率工件涂层厚度的涡流测量曲面校正方法 |
| CN114353656B (zh) * | 2022-01-11 | 2024-01-30 | 中北大学 | 一种渐变曲率工件涂层厚度的涡流测量曲面校正方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5017869A (en) | Swept frequency eddy current system for measuring coating thickness | |
| US4695797A (en) | Method of and apparatus for layer thickness measurement | |
| US5525903A (en) | Eddy current method of acquiring the surface layer properties of a metallic target | |
| US4727322A (en) | Method and apparatus for measuring thickness of a test part by an eddy current sensor, without contact and with lift-off compensation | |
| CA1217865A (fr) | Controle de l'epaisseur d'un revetement | |
| US4095180A (en) | Method and apparatus for testing conductivity using eddy currents | |
| US4322683A (en) | Control apparatus for eddy current non-destructive testing using a digital compensating circuit | |
| US4083002A (en) | Method and apparatus for measuring cross sectional area and weight per unit length of elongated, conductive material by magnetic field displacement | |
| JPH1078336A (ja) | パラメータ補償付き複数パラメータうず電流計測システム | |
| US6198278B1 (en) | Process for determining the thickness of a layer of electroconductive material deposited on a body | |
| CA1038038A (fr) | Appareil de mesure de l'epaisseur d'enduits non metalliques | |
| CA1230379A (fr) | Mesure de l'epaisseur de feuil d'un enduit non metallique a la surface cintree d'une piece en metal | |
| US4078201A (en) | Oscillator circuit for generating a signal whose frequency is representative of the phase shift of a four terminal network | |
| JPH073406B2 (ja) | 硬度測定方法 | |
| GB1568153A (en) | Apparatus for measuring coating thicknesses on arcuate surfaces | |
| RU2456589C1 (ru) | Способ вихретокового измерения толщины металлических покрытий | |
| US4051430A (en) | Apparatus for measuring, and indicating, the thickness of a non-metallic coating of an arcuate metal surface | |
| SU1095059A1 (ru) | Способ неразрушающего контрол электропровод щих изделий и устройство дл его осуществлени | |
| EP0178916B1 (fr) | Méthode et appareil pour le contrôle d'épaisseur d'un enduit | |
| US3740643A (en) | Apparatus for measuring the distance between a workpiece surface and a datum | |
| RU1529873C (ru) | Способ Б.П.Фридмана толщинометрии стенок пустотелых немагнитных изделий с затрудненным доступом в полость и устройство дл его осуществлени | |
| SU1201743A1 (ru) | Электромагнитный толщиномер покрытий | |
| SU1033855A1 (ru) | Способ контрол диаметра цилиндрических изделий и устройство дл его осуществлени | |
| JP2024042990A (ja) | 電縫鋼管の端部の変形予測方法及び変形予測装置、並びに電縫鋼管用サイザーロールの位置調整方法及び位置調整装置 | |
| SU1037157A2 (ru) | Вихретоковый преобразователь |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |