CN105806291A - Graphite coating thickness measurement method - Google Patents
Graphite coating thickness measurement method Download PDFInfo
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- CN105806291A CN105806291A CN201410833556.9A CN201410833556A CN105806291A CN 105806291 A CN105806291 A CN 105806291A CN 201410833556 A CN201410833556 A CN 201410833556A CN 105806291 A CN105806291 A CN 105806291A
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- equadag coating
- thickness
- measurement standard
- equadag
- graphite coating
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Abstract
The present invention relates to the technical field of heavy water reactor nuclear fuel element manufacturing, particularly relates to a graphite coating thickness measurement method, and aims to solve the problem of an inaccurate measurement result caused by the easy abrasion of a coating by an existing graphite coating measurement method. The graphite coating thickness measurement method is characterized in that the method comprises the steps of selecting a graphite coating measurement standard element material, processing a graphite coating measurement standard element, determining an equivalent thickness value, calibrating a thickness measurement instrument by using the graphite coating measurement standard element, and measuring the thickness of the tested work piece graphite coating thickness. The graphite coating measurement tool of the invention has the advantages of simple processing, high reliability, little possibility of wear, and long-term repeated use. After an equivalent thickness value is determined, the tool can be reused for many times, the re-calibration of each measurement is not needed, and the cost of re-calibration is saved.
Description
Technical field
The present invention relates to PHWR nuclear power fuel component manufacturing technology field, be specifically related to a kind of equadag coating thickness measuring method.
Background technology
Equadag coating thickness measure to cladding tubes inwall is the special survey process that CANDU-6 PHWR nuclear fuel element produces, in order to verify the requirement whether the equadag coating thickness of cladding tubes inwall meets the specification, need equadag coating thickness is measured, and guarantee that the accuracy of testing result meets technology requirement.Now domestic do not have to develop relevant equadag coating thickness calibration.The coating it addition, the external equadag coating measuring method used in use easily is worn and torn, affects measurement accuracy after abrasion；Another kind is the measuring method making equadag coating thickness of zirconia layer, but zirconia layer makes difficulty, also easily weares and teares, the accuracy that after abrasion, same impact is measured.Therefore, in order to accurately measure the equadag coating thickness of zirconium inside pipe wall, to meet China's Article 1 PHWR nuclear power fuel component production line construction and service requirement, fuel making quality is made to reach Canada's imported technology standard-required, realize Qinshan Phase III heavy water reactor nuclear power station reload fuel element production domesticization, it is necessary to develop a kind of special equadag coating method for measuring thickness.
Summary of the invention
Present invention aim to address that coating is easily caused abrasion by existing equadag coating measuring method, thus causing the inaccurate problem of measurement result, provide a kind of easy and simple to handle, accuracy of measurement is high, and can carry out repeatedly a kind of equadag coating thickness measuring method of repeated measure.
The present invention is achieved in that
A kind of equadag coating thickness measuring method, comprises the steps:
The first step: the selection of equadag coating measurement standard part material；
Second step: processing graphite Coating measurement standard component；
3rd step: determine equivalent thickness value；
4th step: use equadag coating measurement standard part to demarcate calibrator；
5th step: measure measured workpiece equadag coating thickness.
The first step as above, selects stainless steel material to make equadag coating measurement standard part.
Second step as above, processing an internal diameter is 12mm, and wall thickness is 2mm, and length is the stainless steel tube of 30mm, as equadag coating measurement standard part.
3rd step as above, uses the equadag coating of known thickness to demarcate calibrator；Measure the equivalent thickness value of the equadag coating measurement standard part of second step processing, measure 30-40 time, calculate average equivalent one-tenth-value thickness 1/10.
Calibrator model as above is MICRODERM700.
4th step as above, after using equadag coating measurement standard part to demarcate calibrator, calibrator is internally generated the curve of scatterometer digit rate and the corresponding relation of equadag coating thickness.
5th step as above, uses calibrator to measure the equadag coating of measured workpiece, obtains the scatterometer digit rate of measured workpiece equadag coating；According to the corresponding relation curve that the 4th step obtains, obtain the one-tenth-value thickness 1/10 that the scatterometer digit rate of measured workpiece equadag coating is corresponding, obtain the thickness of measured workpiece equadag coating.
The invention has the beneficial effects as follows:
The present invention includes the selection of equadag coating measurement standard part material, processing graphite Coating measurement standard component, determines equivalent thickness value, uses ink Coating measurement standard component demarcate calibrator and measure the step of measured workpiece equadag coating thickness.The equadag coating survey tool processing of the present invention is simple, and reliability is high, not easy to wear, can reuse for a long time.After equivalent thickness value is determined, reusable repeatedly, it is not necessary to measure every time and all again demarcate, saved the cost again demarcated.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of equadag coating thickness measuring method of the present invention；
Fig. 2 is the front sectional view of the equadag coating measurement standard part of a kind of equadag coating thickness measuring method of the present invention；
Fig. 3 is the left view of the equadag coating measurement standard part of a kind of equadag coating thickness measuring method of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
As it is shown in figure 1, a kind of equadag coating thickness measuring method, comprise the steps:
The first step: the selection of equadag coating measurement standard part material；
Stainless steel material is selected to make equadag coating measurement standard part.
Second step: processing graphite Coating measurement standard component；
As shown in Figures 2 and 3, processing an internal diameter is 12mm, and wall thickness is 2mm, and length is the stainless steel tube of 30mm, as equadag coating measurement standard part.
3rd step: determine equivalent thickness value；
The equadag coating using known thickness demarcates calibrator, described calibrator model MICRODERM700.Measure the equivalent thickness value of the equadag coating measurement standard part of second step processing, measure 30-40 time, calculate average equivalent one-tenth-value thickness 1/10, corresponding with equadag coating thickness by the thickness of equadag coating measurement standard part.
4th step: use equadag coating measurement standard part to demarcate calibrator；
After using equadag coating measurement standard part to demarcate calibrator, calibrator is internally generated the curve of scatterometer digit rate and the corresponding relation of equadag coating thickness.
5th step: measure measured workpiece equadag coating thickness；
Use calibrator to measure the equadag coating of measured workpiece, obtain the scatterometer digit rate of measured workpiece equadag coating.According to the corresponding relation curve that the 4th step obtains, obtain the one-tenth-value thickness 1/10 that the scatterometer digit rate of measured workpiece equadag coating is corresponding, obtain the thickness of measured workpiece equadag coating.
The present invention includes the selection of equadag coating measurement standard part material, processing graphite Coating measurement standard component, determines equivalent thickness value, uses ink Coating measurement standard component demarcate calibrator and measure the step of measured workpiece equadag coating thickness.The equadag coating survey tool processing of the present invention is simple, and reliability is high, not easy to wear, can reuse for a long time.After equivalent thickness value is determined, reusable repeatedly, it is not necessary to measure every time and all again demarcate, saved the cost again demarcated.
Claims (7)
1. an equadag coating thickness measuring method, comprises the steps:
The first step: the selection of equadag coating measurement standard part material；
Second step: processing graphite Coating measurement standard component；
3rd step: determine equivalent thickness value；
4th step: use equadag coating measurement standard part to demarcate calibrator；
5th step: measure measured workpiece equadag coating thickness.
2. equadag coating thickness measuring method according to claim 1, it is characterised in that: the described first step, select stainless steel material to make equadag coating measurement standard part.
3. equadag coating thickness measuring method according to claim 1, it is characterised in that: described second step, processing an internal diameter is 12mm, and wall thickness is 2mm, and length is the stainless steel tube of 30mm, as equadag coating measurement standard part.
4. equadag coating thickness measuring method according to claim 1, it is characterised in that: the 3rd described step, use the equadag coating of known thickness to demarcate calibrator；Measure the equivalent thickness value of the equadag coating measurement standard part of second step processing, measure 30-40 time, calculate average equivalent one-tenth-value thickness 1/10.
5. equadag coating thickness measuring method according to claim 4, it is characterised in that: described calibrator model is MICRODERM700.
6. equadag coating thickness measuring method according to claim 1, it is characterised in that: the 4th described step, after using equadag coating measurement standard part to demarcate calibrator, calibrator is internally generated the curve of scatterometer digit rate and the corresponding relation of equadag coating thickness.
7. equadag coating thickness measuring method according to claim 1, it is characterised in that: the 5th described step, use calibrator to measure the equadag coating of measured workpiece, obtain the scatterometer digit rate of measured workpiece equadag coating；According to the corresponding relation curve that the 4th step obtains, obtain the one-tenth-value thickness 1/10 that the scatterometer digit rate of measured workpiece equadag coating is corresponding, obtain the thickness of measured workpiece equadag coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833556.9A CN105806291A (en) | 2014-12-29 | 2014-12-29 | Graphite coating thickness measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833556.9A CN105806291A (en) | 2014-12-29 | 2014-12-29 | Graphite coating thickness measurement method |
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| CN105806291A true CN105806291A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410833556.9A Pending CN105806291A (en) | 2014-12-29 | 2014-12-29 | Graphite coating thickness measurement method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553616A (en) * | 2019-10-08 | 2019-12-10 | 江西洪都航空工业集团有限责任公司 | Method for measuring thickness of special-shaped surface coating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235270A (en) * | 1998-05-12 | 1999-11-17 | 埃莫森电器公司 | Method and apparatus for measuring thickness of coated material |
| GB2367135A (en) * | 2000-07-06 | 2002-03-27 | Elcometer Instr Ltd | Dual sensitivity coating thickness measuring instrument |
| WO2010135769A1 (en) * | 2009-05-26 | 2010-12-02 | Udo Wolfgang Bucher | Wet paint coating thickness measurement and instrument |
| CN102980546A (en) * | 2012-12-04 | 2013-03-20 | 常州翰力信息科技有限公司 | Portable coating thickness measurement instrument |
| US20140195187A1 (en) * | 2013-01-10 | 2014-07-10 | Elcometer Limited | Coating thickness measuring instrument and methods |
-
2014
- 2014-12-29 CN CN201410833556.9A patent/CN105806291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235270A (en) * | 1998-05-12 | 1999-11-17 | 埃莫森电器公司 | Method and apparatus for measuring thickness of coated material |
| GB2367135A (en) * | 2000-07-06 | 2002-03-27 | Elcometer Instr Ltd | Dual sensitivity coating thickness measuring instrument |
| WO2010135769A1 (en) * | 2009-05-26 | 2010-12-02 | Udo Wolfgang Bucher | Wet paint coating thickness measurement and instrument |
| CN102980546A (en) * | 2012-12-04 | 2013-03-20 | 常州翰力信息科技有限公司 | Portable coating thickness measurement instrument |
| US20140195187A1 (en) * | 2013-01-10 | 2014-07-10 | Elcometer Limited | Coating thickness measuring instrument and methods |
Non-Patent Citations (4)
| Title |
|---|
| 张欣宇等: "金属镀层厚度测量结果的一致性研究", 《计量与测试技术》 * |
| 朱小平: "X射线荧光镀层测厚仪校准规范", 《中国计量》 * |
| 路敬祎主编: "《传感器原理及应用》", 28 February 2014, 哈尔滨工程大学出版社 * |
| 韩书梅: "X光荧光镀层测厚技术——根据美国UPA公司技术座谈资料整理", 《电子工艺技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553616A (en) * | 2019-10-08 | 2019-12-10 | 江西洪都航空工业集团有限责任公司 | Method for measuring thickness of special-shaped surface coating |
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Application publication date: 20160727 |