JP5924292B2 - 炭素繊維強化樹脂成形品及び複合構造体 - Google Patents
炭素繊維強化樹脂成形品及び複合構造体 Download PDFInfo
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Images
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- Manufacture Of Macromolecular Shaped Articles (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
本例では、金属−CFRP複合構造体における金属部品の耐電食性の評価のため、評価手段として確立されている「カップリング電流測定法」を採用した。なお、カップリング電流測定法は、金属部品に対応する電極(供試体)とCFRP成形品に対応する電極(供試体)の間でカップリング電流量(結合電流量)として測定される電子量が、相手金属である金属部品において進行する電食量(腐食量)に対応することに基いた評価手段である。
アルミニウム製金属部品及びCFRP成形品(マトリックス樹脂はポリアミド樹脂)のそれぞれについて、同一形状及びサイズの電極供試体を作製した。図6は、一方の電極であるアルミニウム電極5の表面(A)及び裏面(B)を模式的に示したものである。図示されるように、アルミニウム電極5のサイズは、幅が10mm、長さが20mm、そして厚さtが4mmである。アルミニウム電極5の表裏両面をマスキングテープ7で被覆した後、試験面の一部(6mm×6mm)を露出させて試験面5aを形成した。得られたアルミニウム電極供試体5を引き続く評価試験で使用した。
供試体A:シリコーン化合物0重量%
供試体B:シリコーン化合物2重量%
供試体C:シリコーン化合物4重量%
図7に示す試験装置を使用して評価試験を実施した。処理槽に5%食塩(NaCl)水溶液8を収容した。次いで、先に作製したアルミニウム電極供試体5とCFRP電極供試体(A、B又はC)1を両者の試験面を向い合せた状態で配置した。対向する2つの供試体の間の間隔は、10mmであった。また、アルミニウム電極供試体5とCFRP電極供試体1を直流電源(図示せず)に接続し、接続の途中に電流計9を配置した。2枚の電極供試体の間に定電流(40mA)を24時間にわたって通電した後のカップリング電流値を測定した。
測定の結果、得られたカップリング電流値は、図8にプロットしたように、CFRP電極供試体Aの場合に約12μA、CFRP電極供試体Bの場合に約9.5μA、そしてCFRP電極供試体Cの場合に約5μAであった。
2 マトリックス樹脂
3 炭素繊維
4 シリコーン化合物
5 金属部品
6 接着剤層
7 マスキング材
8 電解液
10 複合構造体
11 金属ボルト
15 CFRP部品
21 金属インサート
25 CFRP部品
Claims (8)
- 金属部品と接触状態で使用される炭素繊維強化樹脂成形品であって、該樹脂成形品のマトリックス樹脂中に炭素繊維及び粒子状又はオイル状のシリコーン化合物が分散し、配合されてなることを特徴とする炭素繊維強化樹脂成形品。
- 前記炭素繊維は、該樹脂成形品の全量を基準として10〜70体積%の量で配合されている、請求項1に記載の炭素繊維強化樹脂成形品。
- 前記シリコーン化合物は、該樹脂成形品の全量を基準として1〜10重量%の量で配合されている、請求項1又は2に記載の炭素繊維強化樹脂成形品。
- 前記金属部品は、前記炭素繊維強化樹脂成形品と接着して使用されたときに電食を被り得る金属材料から製造された物品である、請求項1に記載の炭素繊維強化樹脂成形品。
- 前記金属材料は、鉄、ステンレス、アルミニウム、亜鉛又はそれらの合金から選ばれる、請求項4に記載の炭素繊維強化樹脂成形品。
- 導電性を有する液体中で、そのような液体の近傍で、あるいはそのような液体、水分又は湿気を含む雰囲気中で使用される、請求項1〜5のいずれか1項に記載の炭素繊維強化樹脂成形品。
- 請求項1に記載の炭素繊維強化樹脂成形品と、該樹脂成型品に接触して配置された金属部品とが組み合わされて一体化されていることを特徴とする複合構造体。
- 前記樹脂成型品の表面、凸部、凹部又は貫通部の少なくとも一つの部位に前記金属部品が接触状態を保って配置されている、請求項7に記載の複合構造体。
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KR101981841B1 (ko) | 2016-04-11 | 2019-05-23 | 도레이첨단소재 주식회사 | 섬유 복합 재료 구조체 |
US11667107B2 (en) | 2019-04-02 | 2023-06-06 | Nippon Steel Corporation | Metal-carbon fiber reinforced resin material composite |
US11969969B2 (en) | 2019-04-02 | 2024-04-30 | Nippon Steel Corporation | Metal-carbon fiber reinforced resin material composite and method for manufacturing metal-carbon fiber reinforced resin material composite |
WO2020213698A1 (ja) | 2019-04-16 | 2020-10-22 | 日本製鉄株式会社 | 金属-繊維強化樹脂複合体 |
KR102248262B1 (ko) * | 2019-07-01 | 2021-05-04 | 서울대학교산학협력단 | 식물재배용 기체 분사 장치 및 방법 |
WO2021153366A1 (ja) * | 2020-01-27 | 2021-08-05 | 帝人株式会社 | 炭素繊維とガラス繊維を含むコールドプレス成形体、およびその製造方法 |
US20230120541A1 (en) | 2020-04-01 | 2023-04-20 | Nippon Steel Corporation | Carbon fiber reinforced plastic composite metal plate for vehicles and panel for vehicles |
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JP3296036B2 (ja) * | 1993-08-27 | 2002-06-24 | 三菱化学株式会社 | ポリカーボネート樹脂組成物 |
JPH07149952A (ja) * | 1993-11-30 | 1995-06-13 | Toray Ind Inc | 熱硬化性樹脂組成物、樹脂硬化物、プリプレグおよび繊維強化プラスチック |
JPH07150042A (ja) * | 1993-11-30 | 1995-06-13 | Toray Ind Inc | 樹脂組成物、樹脂硬化物、プリプレグおよび繊維強化プラスチック |
JP2001205737A (ja) * | 2000-01-28 | 2001-07-31 | Nippon Steel Corp | 樹脂被覆金属基材およびそれを含む容器 |
JP2002138195A (ja) * | 2000-11-02 | 2002-05-14 | Toray Ind Inc | 導電性ポリアミド樹脂組成物および成形品 |
JP2003328500A (ja) * | 2002-05-14 | 2003-11-19 | Nippon Steel Composite Co Ltd | 金属管柱補修用シート |
JP2008133391A (ja) * | 2006-11-29 | 2008-06-12 | Toray Fine Chemicals Co Ltd | 接着剤組成物 |
JP2008150406A (ja) * | 2006-12-14 | 2008-07-03 | Toray Fine Chemicals Co Ltd | 接着剤組成物 |
JP2009241569A (ja) * | 2008-04-01 | 2009-10-22 | Taisei Plas Co Ltd | 管状接合複合体 |
JP5146171B2 (ja) * | 2008-07-23 | 2013-02-20 | 新日鐵住金株式会社 | 有機樹脂ラミネート鋼板 |
JP5848556B2 (ja) * | 2011-09-08 | 2016-01-27 | 三菱エンジニアリングプラスチックス株式会社 | ポリエステル樹脂組成物及び成形体 |
JP5770674B2 (ja) * | 2012-04-04 | 2015-08-26 | 信越化学工業株式会社 | 光学半導体装置用基板及びその製造方法、並びに光学半導体装置 |
JP5767160B2 (ja) * | 2012-05-07 | 2015-08-19 | 信越化学工業株式会社 | 光学半導体装置用基板の製造方法 |
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