JP6860463B2 - 繊維配向度の測定方法、繊維配向度測定装置、および繊維配向度測定装置の制御プログラム - Google Patents
繊維配向度の測定方法、繊維配向度測定装置、および繊維配向度測定装置の制御プログラム Download PDFInfo
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- 229910002804 graphite Inorganic materials 0.000 claims description 55
- 239000010439 graphite Substances 0.000 claims description 55
- 238000002441 X-ray diffraction Methods 0.000 claims description 49
- 238000012937 correction Methods 0.000 claims description 38
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 24
- 239000004917 carbon fiber Substances 0.000 claims description 24
- 230000010354 integration Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 9
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 16
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 9
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/2055—Analysing diffraction patterns
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/207—Diffractometry using detectors, e.g. using a probe in a central position and one or more displaceable detectors in circumferential positions
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- G01N2223/05—Investigating materials by wave or particle radiation by diffraction, scatter or reflection
- G01N2223/056—Investigating materials by wave or particle radiation by diffraction, scatter or reflection diffraction
- G01N2223/0566—Investigating materials by wave or particle radiation by diffraction, scatter or reflection diffraction analysing diffraction pattern
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
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Description
20 制御部
21 ピーク角度算出部
22 補正係数算出部
23 上限算出部
24 回折感度算出部
25 配向度算出部
30 表示部
100 繊維配向度測定装置
Claims (7)
- 不連続炭素繊維を含む複合材料からなる試料にX線を照射して、X線回折像を取得する回折像取得工程と、
前記X線回折像を方位角(φ)により積分した積分値I(2θ)の変曲点Aから、黒鉛の結晶面に由来するピークの角度(2θ)Aを算出するピーク角度算出工程と、
前記試料の厚さの補正係数δを算出する補正係数算出工程と、
前記積分値I(2θ)の変曲点Bから前記黒鉛の結晶面のピークの上限(2θ)Bを算出する上限算出工程と、
前記黒鉛の結晶面に由来するピークの回折感度IC(φ)を、前記補正係数δにより積分範囲を補正して前記X線回折像を回折角(2θ)により積分して算出する回折感度算出工程と、
前記回折感度IC(φ)からHermansの手法により繊維配向度Sd(β)を算出する配向度算出工程と、
を含むことを特徴とする繊維配向度の測定方法。 - 前記回折感度算出工程は、(2θ)A+δ>(2θ)Bの場合、角度の積分範囲を(2θ)A−δから(2θ)A+δとし、(2θ)A+δ≦(2θ)Bの場合、角度の積分範囲を(2θ)A−δから(2θ)Bとすることを特徴とする請求項1または2に記載の繊維配向度の測定方法。
- 前記回折感度算出工程で算出する回折感度は、黒鉛の結晶面[002]、[004]および[006]の回折感度の和であることを特徴とする請求項1〜3のいずれか一つに記載の繊維配向度の測定方法。
- 不連続炭素繊維を含む複合材料からなる試料にX線を照射して、X線回折像を取得する回折像取得部と、
前記X線回折像を方位角(φ)により積分した積分値I(2θ)の変曲点Aから、黒鉛の結晶面に由来するピークの角度(2θ)Aを算出するピーク角度算出部と、
前記試料の厚さの補正係数δを算出する補正係数算出部と、
前記積分値I(2θ)の変曲点Bから前記黒鉛の結晶面のピークの上限(2θ)Bを算出する上限算出部と、
前記黒鉛の結晶面に由来するピークの回折感度IC(φ)を、前記補正係数δにより積分範囲を補正して前記X線回折像を回折角(2θ)により積分して算出する回折感度算出部と、
前記回折感度IC(φ)からHermansの手法により繊維配向度Sd(β)を算出する配向度算出部と、
を備えることを特徴とする繊維配向度測定装置。 - 不連続炭素繊維を含む複合材料からなる試料にX線を照射して、X線回折像を取得する回折像取得手順と、
前記X線回折像を方位角(φ)により積分した積分値I(2θ)の変曲点Aから、黒鉛の結晶面に由来するピークの角度(2θ)Aを算出するピーク角度算出手順と、
前記試料の厚さの補正係数δを算出する補正係数算出手順と、
前記積分値I(2θ)の変曲点Bから前記黒鉛の結晶面のピークの上限(2θ)Bを算出する上限算出手順と、
前記黒鉛の結晶面に由来するピークの回折感度IC(φ)を、前記補正係数δにより積分範囲を補正して前記X線回折像を回折角(2θ)により積分して算出する回折感度算出手順と、
前記回折感度IC(φ)からHermansの手法により繊維配向度Sd(β)を算出する配向度算出手順と、
を実行させることを特徴とする繊維配向度測定装置の制御プログラム。
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JP2017193769A JP6860463B2 (ja) | 2017-10-03 | 2017-10-03 | 繊維配向度の測定方法、繊維配向度測定装置、および繊維配向度測定装置の制御プログラム |
US16/652,906 US11360035B2 (en) | 2017-10-03 | 2018-10-02 | Method for measuring fiber orientation degree, fiber orientation degree measurement apparatus, and control computer program for fiber orientation degree measurement apparatus |
EP18864002.3A EP3693727B1 (en) | 2017-10-03 | 2018-10-02 | Method for measuring degree of orientation of fibers, device for measuring degree of orientation of fibers, and program for controlling device for measuring degree of orientation of fibers |
PCT/JP2018/036953 WO2019069956A1 (ja) | 2017-10-03 | 2018-10-02 | 繊維配向度の測定方法、繊維配向度測定装置、および繊維配向度測定装置の制御プログラム |
KR1020207012120A KR102556672B1 (ko) | 2017-10-03 | 2018-10-02 | 섬유 배향도의 측정 방법, 섬유 배향도 측정 장치, 및 섬유 배향도 측정 장치의 제어 프로그램 |
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KR20210146164A (ko) * | 2020-05-26 | 2021-12-03 | 삼성전자주식회사 | 엑스선 광전자 분광법을 이용한 그래핀층의 두께 계산방법 및 실리콘 카바이드의 함량 측정 방법 |
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JP3138618B2 (ja) * | 1995-07-31 | 2001-02-26 | 三菱電機株式会社 | 車両用距離測定装置 |
JPH0989816A (ja) * | 1995-09-21 | 1997-04-04 | Shimadzu Corp | X線回折データ処理方法 |
US6141480A (en) * | 1998-10-29 | 2000-10-31 | The United States Of America As Represented By The Secretary Of The Navy | Technique for location of embedded fiber optic sensors |
JP3887588B2 (ja) * | 2002-08-30 | 2007-02-28 | 株式会社リガク | X線回折による応力測定法 |
CN201352204Y (zh) * | 2009-01-22 | 2009-11-25 | 北京普析通用仪器有限责任公司 | X射线衍射仪测定纤维取向度专用样品台 |
US8748817B2 (en) * | 2010-07-27 | 2014-06-10 | Vineet Kumar | Orientation imaging using wide angle convergent beam diffraction in transmission electron microscopy |
GB201218720D0 (en) * | 2012-10-18 | 2012-12-05 | Airbus Operations Ltd | Fibre orientation optimisation |
JP6118698B2 (ja) * | 2013-09-30 | 2017-04-19 | 株式会社Ihi | 画像解析装置及びプログラム |
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JP6242185B2 (ja) * | 2013-11-22 | 2017-12-06 | 株式会社リガク | 補正情報生成方法および補正情報生成装置 |
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JP2016090259A (ja) * | 2014-10-30 | 2016-05-23 | 三菱レイヨン株式会社 | 繊維配向度算出方法、繊維配向度算出プログラム、繊維配向度算出装置及び繊維配向度算出システム |
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EP3394601B1 (en) * | 2015-12-23 | 2024-05-22 | LM Wind Power A/S | Methods for detecting a fibre misalignment in an elongated structure, related apparatuses |
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WO2018106194A1 (en) * | 2016-12-09 | 2018-06-14 | Nanyang Technological University | Non-destructive testing methods and apparatus |
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US10613042B2 (en) * | 2017-09-28 | 2020-04-07 | International Business Machines Corporation | Measuring and analyzing residual stresses and their gradients in materials using high resolution grazing incidence X-ray diffraction |
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EP3693727A4 (en) | 2021-07-21 |
US20200300788A1 (en) | 2020-09-24 |
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