KR101809680B1 - 설계 조건에 따른 cfrp 물성 데이터 획득 방법 - Google Patents
설계 조건에 따른 cfrp 물성 데이터 획득 방법 Download PDFInfo
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- KR101809680B1 KR101809680B1 KR1020160024589A KR20160024589A KR101809680B1 KR 101809680 B1 KR101809680 B1 KR 101809680B1 KR 1020160024589 A KR1020160024589 A KR 1020160024589A KR 20160024589 A KR20160024589 A KR 20160024589A KR 101809680 B1 KR101809680 B1 KR 101809680B1
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- cfrp
- physical property
- resin
- carbon fiber
- lamination
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- 238000013461 design Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 229920002430 Fibre-reinforced plastic Polymers 0.000 title claims description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 title claims description 3
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims abstract description 68
- 230000000704 physical effect Effects 0.000 claims abstract description 46
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 45
- 239000004917 carbon fiber Substances 0.000 claims abstract description 45
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 238000003475 lamination Methods 0.000 claims abstract description 26
- 238000002474 experimental method Methods 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 239000011800 void material Substances 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 description 9
- 239000000470 constituent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000001721 carbon Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (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)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
도 2는 본 발명의 실시예에 따른 설계 조건에 따른 CFRP 물성 데이터 획득 방법의 흐름도,
도 3은 CFRP의 기초실험에 사용되는 5가지 시험편의 예시도,
도 4는 CFRP의 기초실험을 설명하는 도면,
도 5는 본 발명에 사용되는 컴퓨터 장치의 유한요소해석 프로그램인 MCA(Material Constituent Analysis) 모듈의 예시 화면,
도 6 및 도 7은 도 5의 MCA 모듈에 의해 실행된 탄소섬유와 수지 각각의 물성 결과를 나타낸 화면,
도 8은 도 5의 MCA 모듈과 기초물성실험에 의해 적용된 탄소섬유와 수지 각각의 물성을 비교한 그래프,
도 9는 본 발명에 사용되는 컴퓨터 장치의 유한요소해석 프로그램인 GENOA_PFA 모듈의 예시 화면,
도 10 및 도 11은 도 9의 GENOA_PFA 모듈에 의해 실행된 CFRP의 물성 결과를 나타낸 화면,
도 12는 본 발명에 의한 여러 적층조건(적층각도 및 두계)에 따른 결과를 Carpet Plot과 같은 그래프 형태로 나타낸 도면이다.
Tensio 0° | Tensio 90° | Compression 0° | Compression 90° | Shear | |
Stress(GPa) | 1.66 | 0.0267 | 0.537 | 0.177 | 0.047 |
Modulus(GPa) | 124.6 | 10.69 | 126.39 | 4.74 | 3.953 |
Claims (4)
- a) 탄소섬유와 수지로 구성된 탄소섬유복합재료(Composite Fiber Reinforced Plastics:CFRP)의 기초실험에 의해 얻어진 기본물성 시험데이터를 사용자로부터 입력받는 단계;
b) 상기 a)단계에서 입력된 CFRP의 기본물성 시험데이터와 상기 CFRP를 구성하는 탄소섬유의 축방향탄성률(Fiber Longitudinal Modulus) 및 수지의 프와송비(Matrix Poisson's Ratio)를 이용하여, 상기 탄소섬유와 수지 각각의 물성과 탄소섬유와 수지와의 비율(Fiber Volume Ratio:FVR) 및 CFRP의 기포함유량(Void Volume Ratio:VVR)을 구하는 단계;
c) CFRP의 적층각도와 두께를 포함하는 적층조건을 사용자로부터 입력받는 단계;
d) 상기 b)단계에서 구해진 탄소섬유와 수지 각각의 물성, FVR, VVR 및 상기 c)단계에서 입력된 CFRP의 적층조건을 이용하여, 적층조건에 따른 CFRP의 물성 데이터를 구하는 단계;를 포함하며,
상기 a) 단계에서 기본물성 시험데이터는 인장 0°(Longitudinal Tension) , 인장 90°(Transverse Tension) , 압축 0°(Longitudinal Compression) , 압축 90°(Transverse Compression), 전단(Sheer) 각각의 응력(stress) 및 계수(modulus)이며,
상기 d) 단계에서 구하는 CFRP의 물성 데이터는, 각 방향의 계수(Modulus), 프와송비(Possion's Ratio), 스트레스(Stress), 스트레인(Strain)을 모두 포함하는 것을 특징으로 하는 설계 조건에 따른 CFRP 물성 데이터 획득 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 d) 단계에서 구해진 적층조건에 따른 CFRP의 물성 데이터는 Carpet Plot 그래프 형태로 작성되어 디스플레이부 화면에 표시되는 단계;를 더 포함하는 것을 특징으로 하는 설계 조건에 따른 CFRP 물성 데이터 획득 방법.
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KR1020160024589A KR101809680B1 (ko) | 2016-02-29 | 2016-02-29 | 설계 조건에 따른 cfrp 물성 데이터 획득 방법 |
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KR20170101700A KR20170101700A (ko) | 2017-09-06 |
KR101809680B1 true KR101809680B1 (ko) | 2017-12-18 |
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Cited By (1)
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KR20230167919A (ko) | 2022-06-03 | 2023-12-12 | 울산과학기술원 | 압출 성형된 탄소 단섬유 강화 복합재의 인장 물성 예측 방법 |
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KR102145246B1 (ko) * | 2018-11-27 | 2020-08-18 | 울산과학기술원 | 탄소섬유복합재의 손상 예측 시스템 및 방법 |
CN115290447B (zh) * | 2022-08-10 | 2024-08-02 | 香港理工大学深圳研究院 | 一种超螺旋状复合纤维驱动器的模量分析测试方法 |
Citations (1)
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JP2008224551A (ja) | 2007-03-14 | 2008-09-25 | Yokohama Rubber Co Ltd:The | コンベヤベルトの耐挫屈性能評価方法 |
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JP2008224551A (ja) | 2007-03-14 | 2008-09-25 | Yokohama Rubber Co Ltd:The | コンベヤベルトの耐挫屈性能評価方法 |
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KR20230167919A (ko) | 2022-06-03 | 2023-12-12 | 울산과학기술원 | 압출 성형된 탄소 단섬유 강화 복합재의 인장 물성 예측 방법 |
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