JP6002872B1 - 制振性繊維強化樹脂成形体およびそれを用いた自動車用部品 - Google Patents
制振性繊維強化樹脂成形体およびそれを用いた自動車用部品 Download PDFInfo
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- JP6002872B1 JP6002872B1 JP2016528253A JP2016528253A JP6002872B1 JP 6002872 B1 JP6002872 B1 JP 6002872B1 JP 2016528253 A JP2016528253 A JP 2016528253A JP 2016528253 A JP2016528253 A JP 2016528253A JP 6002872 B1 JP6002872 B1 JP 6002872B1
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Abstract
Description
このようにして、繊維強化樹脂層中に無機材料が含まれることにより、本発明の制振性繊維強化樹脂成形体の曲げ弾性率は高くなり、耐衝撃性やエネルギー吸収能が高まることとなる。
ハンドレイアップ成形により、後記の表1、表2および表4に示す層構成となるよう各層を平面上に積層し、繊維強化樹脂の積層体を作製した。なお、表1、表2および表4に示す「CFRP」層は、エポキシ樹脂(大都産業社製、ダイトサイザー828)と、その硬化剤(ADEKA社製、アデカハードナーEH6007)を、重量比で、エポキシ樹脂:硬化剤=2:1でブレンドして得られた樹脂溶液を、炭素繊維クロス(東邦テナックス社製、テナックス(織組織:2mm幅で3000本の炭素繊維(繊維径7μm)を綾織したもの、重さ:200g/m2、厚み:0.25mm))に塗布しローラーで均一にのばして、炭素繊維クロスに樹脂溶液を浸潤させて形成したものである。また、表1、表2および表4に示す「PA12」層は、ポリアミド12のアロイ材(宇部興産社製、3030JI6L)からなるフィルムを積層したものであり、「PA6」層は、ポリアミド6のアロイ材(Dupont社製、ST811HS)からなるフィルムを積層したものである。また、表1、表2および表4に示す「PA6クロス」層は、アミラン235T−24−720(東レ社製)を、織機を使用して平織した織物であり、「PA66クロス」層は、4700(旭化成せんい社製の平織物)である。また、表1、表2および表4に示す「X/Y」は、本願請求項1に規定の「X/Y」を計算したものであり、「d/D」は、本願請求項1に規定の「d/D」を計算したものである。
ハンドレイアップ成形により、後記の表3に示す層構成となるよう各層を平面上に積層し、繊維強化樹脂の積層体を作製した。なお、表3に示す「CFRP」層は、エポキシ樹脂(大都産業社製、ダイトサイザー828)100重量部と、その硬化剤(ADEKA社製、アデカハードナーEH6007)50重量部と、無機材料(大塚化学社製、ティスモD)5重量部とを三本ロール(井上製作所社製)によりブレンドして得られた樹脂溶液を、炭素繊維クロス(東邦テナックス社製、テナックス(織組織:2mm幅で3000本の炭素繊維(繊維径7μm)を綾織したもの、重さ:200g/m2、厚み:0.25mm))に塗布しローラーで均一にのばして、炭素繊維クロスに樹脂溶液を浸潤させて形成したものである。また、表3に示す「PA6クロス」層は、アミラン235T−24−720(東レ社製)を、織機を使用して平織した織物であり、「PA66クロス」層は、4700(旭化成せんい社製の平織物)である。また、表3に示す「X/Y」は、本願請求項1に規定の「X/Y」を計算したものであり、「d/D」は、本願請求項1に規定の「d/D」を計算したものである。
厚み2.0mmの鋼板を用意し、これを参考例1とした。
厚み2.0mmのアルミ板を用意し、これを参考例2とした。
各積層体(参考例は金属板)を、150mm×10mmの短冊状に切り出し、これをサンプルとして曲げ弾性率を測定した。このサンプルに対し、JIS K7074に準拠して、室温にて、試験速度2mm/min、スパン間距離64mmで、3点曲げ試験を行い、歪み量(0.05〜0.25%)の応力勾配を用いて曲げ弾性率(MPa)を測定した。
各積層体(参考例は金属板)を、150mm×10mmの短冊状に切り出し、これをサンプルとして曲げ強度を測定した。すなわち、このサンプルに対し、JIS K7074に準拠して、室温にて、試験速度2mm/min、スパン間距離64mmで、3点曲げ試験を行い、その際の曲げ強度(MPa)を測定した。
各積層体(参考例は金属板)を、150mm×10mmの短冊状に切り出し、これをサンプルとして曲げ破断時伸びを測定した。すなわち、このサンプルに対し、JIS K7074に準拠して、室温にて、試験速度2mm/min、スパン間距離64mmで、3点曲げ試験を行い、その際の破断に至るまでの変位量から、曲げ破断時伸び(%)を測定した。
各積層体(参考例は金属板)を、150mm×10mmの短冊状に切り出し、これをサンプルとして減衰係数を測定した。すなわち、このサンプルに対し、JIS G0602「制振鋼板の振動減衰特性試験法」に準拠して、片端固定打撃法にて試験を実施し、ヒルベルト変換を用いて常態時損失係数(減衰係数)を求めた。
2:制振層
Claims (10)
- 樹脂を織布に浸潤させてなる繊維強化樹脂層と合成樹脂製の制振層との積層体である制振性繊維強化樹脂成形体であって、その積層体の厚み方向に対し中央に位置する層が中央繊維強化樹脂層であり、それを挟むように上下の制振層が設けられ、その外側に外側繊維強化樹脂層がそれぞれ設けられ、かつ、上記積層体の厚み方向の中心面である積層体中心面から上記中央繊維強化樹脂層と各制振層との界面までの厚み(X)と、上記積層体中心面から積層体表面までの厚み(Y)が、X/Y=0.19〜0.89の関係を満たし、さらに、上記積層体に含まれる全ての制振層の厚みの合計(d)と、上記積層体全体の厚み(D)が、d/D=0.02〜0.18の関係を満たすことを特徴とする制振性繊維強化樹脂成形体。
- 上記制振層がポリアミド樹脂からなり、上記繊維強化樹脂層の樹脂がエポキシ樹脂からなる、請求項1記載の制振性繊維強化樹脂成形体。
- 上記制振層が、合成樹脂製の織布からなる、請求項1または2記載の制振性繊維強化樹脂成形体。
- 上記中央繊維強化樹脂層が、複数の繊維強化樹脂層の積層体からなる、請求項1〜3のいずれか一項に記載の制振性繊維強化樹脂成形体。
- 上記積層体全体の厚みが1.9〜7.4mmである、請求項1〜4のいずれか一項に記載の制振性繊維強化樹脂成形体。
- 上記制振層の厚みが0.04〜0.4mmである、請求項1〜5のいずれか一項に記載の制振性繊維強化樹脂成形体。
- 上記織布が、炭素繊維,ガラス繊維,アラミド繊維またはバサルト繊維の連続繊維を、綾織,平織または朱子織りしてなるものである、請求項1〜6のいずれか一項に記載の制振性繊維強化樹脂成形体。
- 上記繊維強化樹脂層の樹脂中に、チタン酸カリウム、アルミナ、酸化亜鉛、および酸化チタンからなる群から選ばれた少なくとも一つの無機材料を含有する、請求項1〜7のいずれか一項に記載の制振性繊維強化樹脂成形体。
- 請求項1〜8のいずれか一項に記載の制振性繊維強化樹脂成形体であってシート状のものが、賦型されてなる、制振性繊維強化樹脂成形体。
- トルクロッド、サスペンションアーム、ロアアーム、タワーバー、プロペラシャフト、インパクトビーム、スタビバー、サブフレーム、バンパーまたはサイドドアビームである自動車用部品であって、請求項1〜9のいずれか一項に記載の制振性繊維強化樹脂成形体を構成部材とすることを特徴とする自動車用部品。
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| PCT/JP2015/086406 WO2016132655A1 (ja) | 2015-02-19 | 2015-12-25 | 制振性繊維強化樹脂成形体およびそれを用いた自動車用部品 |
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| CN110191796B (zh) * | 2017-01-20 | 2023-06-13 | 三井化学株式会社 | 层叠体及带缠绕管 |
| CN107215298A (zh) * | 2017-04-25 | 2017-09-29 | 南宁市钱隆汽车租赁有限公司 | 汽车保险杠 |
| KR101949662B1 (ko) * | 2017-08-14 | 2019-02-19 | (주)화신 | 차량용 서브프레임 |
| US11396597B2 (en) | 2017-11-02 | 2022-07-26 | Nippon Steel Chemical & Material Co., Ltd. | Epoxy resin composition and cured object obtained therefrom |
| JP2019186469A (ja) * | 2018-04-16 | 2019-10-24 | 東芝三菱電機産業システム株式会社 | 電力変換装置用電位重量物の振動吸収固定部材 |
| JP7038012B2 (ja) * | 2018-06-22 | 2022-03-17 | 株式会社日立製作所 | 樹脂積層体及び樹脂積層体の製造方法 |
| KR101949664B1 (ko) * | 2018-08-29 | 2019-02-19 | (주)화신 | 차량용 서브프레임 |
| KR101949666B1 (ko) * | 2018-08-29 | 2019-02-19 | (주)화신 | 차량용 서브프레임 |
| KR101949663B1 (ko) * | 2018-08-29 | 2019-02-19 | (주)화신 | 차량용 서브프레임 |
| KR101949665B1 (ko) * | 2018-08-29 | 2019-02-19 | (주)화신 | 차량용 서브프레임 |
| JP2020050833A (ja) | 2018-09-28 | 2020-04-02 | 日鉄ケミカル&マテリアル株式会社 | プリプレグ及びその成形物 |
| JP7395923B2 (ja) * | 2019-10-03 | 2023-12-12 | Ube株式会社 | プリプレグと接合するためのポリアミド樹脂フィルム、及び積層体 |
| JP2021117334A (ja) * | 2020-01-24 | 2021-08-10 | 住友化学株式会社 | 光学積層体及び表示装置 |
| JP7564996B2 (ja) * | 2021-02-26 | 2024-10-10 | マツダ株式会社 | 車両の前部車体構造 |
| WO2025143031A1 (ja) * | 2023-12-26 | 2025-07-03 | 三菱ケミカル株式会社 | 積層体とその製造方法、搬送ハンド、搬送装置及び半導体製造装置 |
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- 2015-12-25 JP JP2016528253A patent/JP6002872B1/ja active Active
- 2015-12-25 WO PCT/JP2015/086406 patent/WO2016132655A1/ja not_active Ceased
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| JP2009078422A (ja) * | 2007-09-26 | 2009-04-16 | Toray Ind Inc | 制振性繊維強化複合材料 |
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| DE112015005173T5 (de) | 2017-08-17 |
| JPWO2016132655A1 (ja) | 2017-04-27 |
| WO2016132655A1 (ja) | 2016-08-25 |
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