CN107336477A - 一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法 - Google Patents
一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法 Download PDFInfo
- Publication number
- CN107336477A CN107336477A CN201710504259.3A CN201710504259A CN107336477A CN 107336477 A CN107336477 A CN 107336477A CN 201710504259 A CN201710504259 A CN 201710504259A CN 107336477 A CN107336477 A CN 107336477A
- Authority
- CN
- China
- Prior art keywords
- fiber reinforced
- composite material
- joint face
- glue post
- ripple
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000000835 fiber Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 26
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 abstract description 10
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 10
- 239000011159 matrix material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- 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
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B2250/03—3 layers
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
本发明公开了一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法，它解决了现有热塑性复合材料点阵夹芯结构在连接面发生脱落的问题，该复合材料点阵夹芯结构，包括波纹芯子（1）、上面板（2）和下面板（3），还包括加强胶柱（4），所述波纹芯子（1）分别与上面板（2）和下面板（3）连接，连接面上开有通孔，热塑性树脂的加强胶柱（4）插入连接面上通孔后，将加强胶柱（4）两端露出部分加热熔化，用硬板按压直至冷却固化。该方法包括步骤1、制备纤维增强热塑性复合材料波纹芯子、上面板和下面板；步骤2、将波纹芯子、上面板和下面板组合构成纤维增强热塑性复合材料波纹夹芯结构；步骤3、设置加强胶柱。
Description
技术领域
本发明属于复合材料技术领域，具体涉及一种纤维增强热塑性复合材料点阵夹芯结构和该复合材料点阵夹芯结构的制备方法。
背景技术
热塑性复合材料点阵夹芯结构具有高比刚度、比强度和设计强的优点，既可以有效地承载，又利于结构的多功能设计，在航空航天、交通运输等领域有着广泛的应用前景。相比热固性复合材料，热塑性复合材料具有易成型、可重复利用等特性受到广泛关注。
本专利所述的热塑性复合材料点阵夹芯结构包括热塑性复合材料点阵夹芯平板、曲板、圆锥壳和圆柱壳。
热塑性复合材料点阵夹芯结构的制备方法可以分为一次成型和二次成型两种。一次成型即为面板和点阵芯层共固化成型，二次成型是先分别制备面板和点阵芯层，再通过胶粘、电阻焊接、超声波焊接、感应焊接和热熔连接等工艺制备夹芯结构。然而, 二次成型的点阵夹芯结构在受弯曲、剪切载荷作用时，往往在连接面发生脱落，进而使结构丧失承载能力。
发明内容
针对热塑性复合材料点阵夹芯结构在连接面发生脱落的问题，本发明所要解决的技术问题就是提供一种纤维增强热塑性复合材料点阵夹芯结构，它能在受弯曲、剪切载荷作用时限制连接面发生脱落，提高复合材料点阵夹芯结构承载能力。本发明还提供一种纤维增强热塑性复合材料点阵夹芯结构的制备方法。
本发明提供的一种纤维增强热塑性复合材料点阵夹芯结构，包括波纹芯子、上面板和下面板，还包括加强胶柱，所述波纹芯子分别与上面板和下面板连接，连接面上开有通孔，热塑性树脂的加强胶柱插入连接面上通孔后，将加强胶柱两端露出部分加热熔化，用硬板按压直至冷却固化。
本发明提供的一种纤维增强热塑性复合材料点阵夹芯结构的制备方法，包括以下步骤：
步骤1、制备纤维增强热塑性复合材料波纹芯子、上面板和下面板；
步骤2、将波纹芯子、上面板和下面板组合构成纤维增强热塑性复合材料波纹夹芯结构；
步骤3、设置加强胶柱：
1、在连接面等间距打通孔；
2、将热塑性树脂的加强胶柱切成合适长度，插入通孔中，两端露出端头；
3、对加强胶柱露出的两端头加热熔化，用硬板按压直至冷却固化。
本发明的技术效果是：
1、本发明的加强胶柱限制了连接面脱落，提高了波纹芯子与面板的连接强度；
2、由于本发明的波纹夹芯结构的面板与芯层间连接强度增大，提高了复合材料点阵夹芯结构的力学性能，增大了承载能力；
3、加强胶柱是热塑性树脂，可回收利用，满足绿色环保的要求，制造成本低、易于实现批量生产。
附图说明
本发明的附图说明如下：
图1为本发明的一种结构示意图；
图中：1. 波纹芯子；2. 上面板；3. 下面板；4. 加强胶柱。
具体实施方式
下面结合附图和实施例对本发明作进一步说明：
本发明的一种纤维增强热塑性复合材料点阵夹芯结构，如图1所示，包括波纹芯子1、上面板2和下面板3，还包括加强胶柱4，所述波纹芯子1分别与上面板2和下面板3连接，连接面上开有通孔，热塑性树脂的加强胶柱4插入连接面上通孔后，将加强胶柱4两端露出部分加热熔化，用硬板按压直至冷却固化。
上述的连接面为胶粘连接面、电阻焊接连接面、超声波焊接连接面、感应焊接连接面和热熔连接面。
加强胶柱可选用热塑性树脂材料，例如聚乙烯、聚丙烯、聚甲醛、聚醚醚酮等，可根据结构材料和力学性能要求，灵活选择。
本发明的一种纤维增强热塑性复合材料点阵夹芯结构的制备方法，包括以下步骤：
步骤1、制备纤维增强热塑性复合材料波纹芯子、上面板和下面板；
1、清理上下模具的表面，并喷涂脱模剂；
2、在下模具上按预定铺层顺序铺放单向纤维增强热塑性预浸料，合模；
3、将合模后的模具放入热压机，按预定尺寸制备波纹芯子或面板，并脱模。
步骤2、将波纹芯子、上面板和下面板组合构成纤维增强热塑性复合材料波纹夹芯结构；
1、用砂纸打磨波纹芯子和上、下面板的粘接区域，用干净的无绒抹布蘸取酒精或丙酮清理粘接区域，干燥；
2、在上、下面板粘接区域涂胶，与波纹芯子层面粘合后用重物压上，固化。
步骤3、设置加强胶柱：
1、在连接面等间距打通孔；
2、将热塑性树脂的加强胶柱切成合适长度，插入通孔中，两端露出端头；
3、对加强胶柱露出的两端头加热熔化，用硬板按压直至冷却固化。
本发明与现有热塑性复合材料点阵夹芯胶粘结构的力学性能对比如下表：
表1
在万能试验机上对复合材料点阵夹芯结构进行三点弯曲试验，载荷和位移分别由机器自带的力传感器和位移传感器测量获得，最大失效位移即为峰值载荷对应的位移。由表1看出：本发明的峰值载荷平均增大了1倍，最大失效位移平均增大了3倍，本发明与现有的热塑性复合材料点阵夹芯胶粘结构相比，具有显著的技术效果。
Claims (3)
1.一种纤维增强热塑性复合材料点阵夹芯结构，包括波纹芯子（1）、上面板（2）和下面板（3），其特征是：还包括加强胶柱（4），所述波纹芯子（1）分别与上面板（2）和下面板（3）连接，连接面上开有通孔，热塑性树脂的加强胶柱（4）插入连接面上通孔后，将加强胶柱（4）两端露出部分加热熔化，用硬板按压直至冷却固化。
2.根据权利要求1所述的纤维增强热塑性复合材料点阵夹芯结构，其特征是：所述的连接面为胶粘连接面、电阻焊接连接面、超声波焊接连接面、感应焊接连接面和热熔连接面。
3.根据权利要求1所述纤维增强热塑性复合材料点阵夹芯结构的制备方法，包括以下步骤：
步骤1、制备纤维增强热塑性复合材料波纹芯子、上面板和下面板；
步骤2、将波纹芯子、上面板和下面板组合构成纤维增强热塑性复合材料波纹夹芯结构；
其特征是，还包括有步骤3、设置加强胶柱：
1、在连接面等间距打通孔；
2、将热塑性树脂的加强胶柱切成合适长度，插入通孔中，两端露出端头；
3、对加强胶柱露出的两端头加热熔化，用硬板按压直至冷却固化。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504259.3A CN107336477A (zh) | 2017-06-28 | 2017-06-28 | 一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504259.3A CN107336477A (zh) | 2017-06-28 | 2017-06-28 | 一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107336477A true CN107336477A (zh) | 2017-11-10 |
Family
ID=60220921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710504259.3A Pending CN107336477A (zh) | 2017-06-28 | 2017-06-28 | 一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107336477A (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183239A (zh) * | 2019-04-22 | 2019-08-30 | 湖南远辉复合材料有限公司 | 一种陶瓷基复合材料点阵结构的组合式制备方法 |
| CN113260748A (zh) * | 2019-01-14 | 2021-08-13 | 范德威尔公司 | 剑杆 |
| CN113459602A (zh) * | 2021-07-07 | 2021-10-01 | 北华航天工业学院 | 一种轻质波纹夹芯型复合材料承力筒 |
| CN114211787A (zh) * | 2021-12-15 | 2022-03-22 | 北京机科国创轻量化科学研究院有限公司 | 一种多层空间结构的碳纤维层合板的制备方法 |
| CN114590009A (zh) * | 2022-03-21 | 2022-06-07 | 山东大学 | 一种三维周期性夹芯复合材料制备方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316604A (en) * | 1990-12-04 | 1994-05-31 | Hexcel Corporation | Process for the preparation of thermoplastic sandwich structures |
| CN203697585U (zh) * | 2013-11-27 | 2014-07-09 | 上海杰事杰新材料(集团)股份有限公司 | 一种货车车厢用复合车板 |
| CN205800195U (zh) * | 2016-07-12 | 2016-12-14 | 合肥经纬电子科技有限公司 | 一种热熔埋钉治具 |
-
2017
- 2017-06-28 CN CN201710504259.3A patent/CN107336477A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316604A (en) * | 1990-12-04 | 1994-05-31 | Hexcel Corporation | Process for the preparation of thermoplastic sandwich structures |
| CN203697585U (zh) * | 2013-11-27 | 2014-07-09 | 上海杰事杰新材料(集团)股份有限公司 | 一种货车车厢用复合车板 |
| CN205800195U (zh) * | 2016-07-12 | 2016-12-14 | 合肥经纬电子科技有限公司 | 一种热熔埋钉治具 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113260748A (zh) * | 2019-01-14 | 2021-08-13 | 范德威尔公司 | 剑杆 |
| CN110183239A (zh) * | 2019-04-22 | 2019-08-30 | 湖南远辉复合材料有限公司 | 一种陶瓷基复合材料点阵结构的组合式制备方法 |
| CN113459602A (zh) * | 2021-07-07 | 2021-10-01 | 北华航天工业学院 | 一种轻质波纹夹芯型复合材料承力筒 |
| CN113459602B (zh) * | 2021-07-07 | 2022-08-02 | 北华航天工业学院 | 一种轻质波纹夹芯型复合材料承力筒 |
| CN114211787A (zh) * | 2021-12-15 | 2022-03-22 | 北京机科国创轻量化科学研究院有限公司 | 一种多层空间结构的碳纤维层合板的制备方法 |
| CN114211787B (zh) * | 2021-12-15 | 2024-01-02 | 北京机科国创轻量化科学研究院有限公司 | 一种多层空间结构的碳纤维层合板的制备方法 |
| CN114590009A (zh) * | 2022-03-21 | 2022-06-07 | 山东大学 | 一种三维周期性夹芯复合材料制备方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107336477A (zh) | 一种纤维增强热塑性复合材料点阵夹芯结构及其制备方法 | |
| US8777578B2 (en) | Method of manufacturing a spar for a wind turbine from elements having geometrically well-defined joint surface portions | |
| US8777579B2 (en) | Method of manufacturing a spar for a wind turbine from elements comprising different materials | |
| US8899936B2 (en) | Method of manufacturing a spar for a wind turbine from elements having end portions extending transversely to an intermediate portion | |
| CN105346070B (zh) | 一种金字塔型复合材料三维点阵夹芯结构的制备方法 | |
| CN103568446A (zh) | 通过层间金属板增强的层压复合材料弯曲和加固元件 | |
| WO2014079456A1 (en) | Wind turbine blades and method of manufacturing the same | |
| CN107234818A (zh) | 一种高性能热塑性复合材料金字塔型和x型点阵夹芯板及其制备方法 | |
| CN205654485U (zh) | 风力涡轮机叶片 | |
| CN105333021B (zh) | 一种用于碳纤维复合材料传动轴与金属法兰的Z-pin联接方法 | |
| CN101992566A (zh) | 纤维增强塑料结构以及生产纤维增强塑料结构的方法 | |
| CN105291490A (zh) | 一种用于形成蜂窝结构的薄板层、蜂窝结构及其制备方法 | |
| CN107234837A (zh) | 一种波纹点阵金属夹芯圆柱壳及其制备方法 | |
| CN201188368Y (zh) | 整体成型的带嵌件的复合材料绝缘传动管 | |
| US2477375A (en) | Method of manufacturing hollow articles of bonded fibrous laminae | |
| CN103522555A (zh) | 一种复合材料工字梁的整体成型制造方法 | |
| EP3081373A1 (en) | Composite material structure | |
| CN116529058A (zh) | 一种用于生产风力涡轮机的转子叶片的方法 | |
| CN110202859A (zh) | 一种碳纤维增强树脂层压板粘接接头及其制备方法 | |
| JP2004534656A (ja) | 単一操作で複合材料積層物を積層し、成形するための方法 | |
| CN106585955A (zh) | 无人机机翼一体复合梁结构及其制造方法 | |
| CN104494844B (zh) | 一种复合材料机翼前后缘蒙皮制造工艺 | |
| CN105351306B (zh) | 电动车用碳纤维和金属连接结构及其制作方法 | |
| CN110504538A (zh) | 一种雷达罩夹心蜂窝结构 | |
| CN201188335Y (zh) | 整体成型的带嵌件的复合材料绝缘传动棒 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |