KR20200030772A - 샌드위치 구조체 - Google Patents
샌드위치 구조체 Download PDFInfo
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- KR20200030772A KR20200030772A KR1020180109420A KR20180109420A KR20200030772A KR 20200030772 A KR20200030772 A KR 20200030772A KR 1020180109420 A KR1020180109420 A KR 1020180109420A KR 20180109420 A KR20180109420 A KR 20180109420A KR 20200030772 A KR20200030772 A KR 20200030772A
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- Prior art keywords
- continuous
- continuous fiber
- layer
- sandwich structure
- skin layer
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
-
- 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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
- B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
-
- 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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/066—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of foam
-
- 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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
-
- 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
- B32B27/065—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 foam
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- 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
- B32B2262/101—Glass fibres
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/08—Reinforcements
-
- 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
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Landscapes
- Laminated Bodies (AREA)
Abstract
상기 샌드위치 구조체 대비 상기 코어층의 두께 백분율은 93% 초과 98% 미만이며, 상기 코어층의 두께 대비 상기 스킨층들 중 어느 하나의 두께의 비는 0.0115 초과 0.035 미만이다.
Description
| 구분 | 최대하중(N) | GSM (g/m2) |
| 실시예 1 | 853 | 4048 |
| 비교예 1 | 418 | 3243 |
| 비교예 2 | 401 | 2334 |
| 비교예 3 | 713 | 4900 |
P: 고분자 기재
10: 제1 스킨층 20: 제2 스킨층
30: 코어층
100: 샌드위치 구조체
Claims (8)
- 홀수 층의 연속보강섬유의 일방향 배향방향과 짝수 층의 연속보강섬유의 일방향 배향방향이 서로 엇갈리도록 홀수 개의 제1 연속섬유강화복합재들이 적층된 제1 연속섬유강화복합재들의 적층체를 포함하는 제1 스킨층(skin layer);
홀수 층의 연속보강섬유의 일방향 배향방향과 짝수 층의 연속보강섬유의 일방향 배향방향이 서로 엇갈리도록 홀수 개의 제2 연속섬유강화복합재들이 적층된 제2 연속섬유강화복합재들의 적층체를 포함하는 제2 스킨층; 및
상기 제1 스킨층과 상기 제2 스킨층의 사이에 배치되며, 밀도가 0.06 g/cm3 내지 0.15 g/cm3 인 다공성 물질로 구성된 코어층(core layer);을 포함하고,
상기 코어층의 두께 대비 상기 제1 스킨층 및 상기 제2 스킨층 중 어느 하나의 두께의 비가 0.0115 초과 0.035 미만인 샌드위치 구조체로서,
상기 샌드위치 구조체 대비 상기 코어층의 두께 백분율이 93% 초과 98% 미만인
샌드위치 구조체. - 제1 항에 있어서,
상기 제1 연속섬유강화복합재들의 적층 수와 상기 제2 연속섬유강화복합재들의 적층 수가 동일한 샌드위치 구조체. - 제1 항에 있어서,
상기 제1 스킨층 및 상기 제2 스킨층은 각각,
상기 홀수 층의 연속보강섬유의 일방향 배향방향과 상기 짝수 층의 연속섬유보강섬유의 일방향 배향방향의 교차각이 45° 내지 90°인
샌드위치 구조체. - 제1 항에 있어서,
상기 제1 연속섬유강화복합재들의 적층체 중 상기 홀수 층의 연속섬유강화복합재의 연속보강섬유의 일방향 배향방향과 상기 제2 연속섬유강화복합재들의 적층체 중 상기 짝수 층의 연속섬유강화복합재의 연속보강섬유의 일방향 배향방향의 교차각이 45° 내지 90°인
샌드위치 구조체. - 제1 항에 있어서,
상기 다공성 물질은 열가소성 수지의 발포폼으로 이루어지며,
상기 제1 연속섬유강화복합재들 및 상기 제2 연속섬유강화복합재들은 각각 상기 연속보강섬유 50 중량% 내지 70 중량% 및 상기 열가소성 수지 30 중량% 내지 50 중량% 를 포함하는
샌드위치 구조체. - 제5 항에 있어서,
상기 연속보강섬유는 유리섬유이고, 상기 열가소성 수지는 폴리에틸렌테레프탈레이트(PET, polyethyleneterephthalate)인
샌드위치 구조체. - 제1 항에 있어서,
최대하중 측정 결과가 800 N 초과인 샌드위치 구조체. - 제1 항에 있어서,
차량의 러기지 보드용인 샌드위치 구조체.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180109420A KR20200030772A (ko) | 2018-09-13 | 2018-09-13 | 샌드위치 구조체 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180109420A KR20200030772A (ko) | 2018-09-13 | 2018-09-13 | 샌드위치 구조체 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20200030772A true KR20200030772A (ko) | 2020-03-23 |
Family
ID=69998435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180109420A Ceased KR20200030772A (ko) | 2018-09-13 | 2018-09-13 | 샌드위치 구조체 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20200030772A (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200010733A1 (it) * | 2022-05-24 | 2023-11-24 | Ferrari Spa | Parte di carrozzeria per veicolo stradale in materiale composito comprendente filamenti metallici, relativo veicolo stradale e relativo metodo di produzione |
| IT202200010727A1 (it) * | 2022-05-24 | 2023-11-24 | Ferrari Spa | Parte di carrozzeria per veicolo stradale in materiale composito, relativo veicolo stradale e relativo metodo di produzione |
| CN117698252A (zh) * | 2023-12-31 | 2024-03-15 | 浙江华江科技股份有限公司 | 一种复合材料地板及其制备方法 |
| WO2025249814A1 (ko) * | 2024-05-30 | 2025-12-04 | 롯데케미칼 주식회사 | 샌드위치 패널 및 이의 제조방법 |
-
2018
- 2018-09-13 KR KR1020180109420A patent/KR20200030772A/ko not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200010733A1 (it) * | 2022-05-24 | 2023-11-24 | Ferrari Spa | Parte di carrozzeria per veicolo stradale in materiale composito comprendente filamenti metallici, relativo veicolo stradale e relativo metodo di produzione |
| IT202200010727A1 (it) * | 2022-05-24 | 2023-11-24 | Ferrari Spa | Parte di carrozzeria per veicolo stradale in materiale composito, relativo veicolo stradale e relativo metodo di produzione |
| EP4282645A1 (en) | 2022-05-24 | 2023-11-29 | FERRARI S.p.A. | Composite body part for a road vehicle, relative road vehicle and relative production method |
| EP4282643A1 (en) * | 2022-05-24 | 2023-11-29 | FERRARI S.p.A. | Composite body part comprising metal filaments for a road vehicle, relative road vehicle and relative production method |
| CN117698252A (zh) * | 2023-12-31 | 2024-03-15 | 浙江华江科技股份有限公司 | 一种复合材料地板及其制备方法 |
| WO2025249814A1 (ko) * | 2024-05-30 | 2025-12-04 | 롯데케미칼 주식회사 | 샌드위치 패널 및 이의 제조방법 |
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