巻号一覧
20 巻 (1994)
- 6 号 p. 215-
- 5 号 p. 173-
- 4 号 p. 131-
- 3 号 p. 91-
- 2 号 p. 57-
- 1 号 p. 1-
20 巻, 4 号
選択された号の論文の7件中1～7を表示しています
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自動車用「複合」材料と感性蓮見 茂1994 年 20 巻 4 号 p. 131-136
発行日: 1994/08/15
公開日: 2009/08/11
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志波 光晴, 武田 展雄, 岸 輝雄1994 年 20 巻 4 号 p. 137-143
発行日: 1994/08/15
公開日: 2009/08/11
ジャーナル フリーResponse properties of piezoelectric AE sensors (PZT) on CFRP laminate were evaluated by using simulate AE source. Sensitivity properties and frequency responses of the sensor for both quasi-longitudinal wave (QL) and quasi-transverse wave (QT) from pencil lead breaking source were analyzed as a function of the fiber orientation and detection direction of the sensor. The sensitivity of piezoelectric sensor were controlled by 1) the main displacement direction of QL and QT, 2) transmission ratio between fibers and/or matrix and PZT, 3) polling direction of the piezoelectric device and 4) piezoelectric constants. When the sensor mounted at the side of the plate transverse to the fiber orientation, QL could detect with high sensitivity. Its condition will be carried out high resolution source location. While, when the sensor mounted on the plate surface, QL could detect with high sensitivity. The frequency response of the sensor depended on 1) acoustic impedance matching between the fibers and/or the matrix and the PZT, 2) resonant frequency of structural dispersion in the plate and 3) resonant frequency of material dispersion in the plate.抄録全体を表示PDF形式でダウンロード (799K) -
藤本 淳, 田村 徹也, 金原 勲, 谷本 敏夫1994 年 20 巻 4 号 p. 144-153
発行日: 1994/08/15
公開日: 2009/08/11
ジャーナル フリーNew materials, that possess high damping capabilities and high strength properties, have been studied in carbon fiber reinforced plastics (CFRP). These materials are referred to in this article as CFRP/damping-material laminates. The CFRP/damping-material laminates investigated here are composed of a unidirectional carbon/epoxy prepreg sheet and a polyethylene based damping material sheet used as an interleaf. Cantilever beam tests revealed the high damping properties of these laminates. Loss factor values for these composites are 10 to 100 times as large as that for conventional CFRP. These values could be predicted by using the constrained layer damping theory, except for two specimens.抄録全体を表示PDF形式でダウンロード (2288K) -
藤本 淳, 田村 徹也, 金原 勲, 谷本 敏夫1994 年 20 巻 4 号 p. 154-161
発行日: 1994/08/15
公開日: 2009/08/11
ジャーナル フリーDiscussed here are high damping structural materials in which damping materials are interlaminated with carbon fiber reinforced plastics (CFRP). Damping properties under longitudinal vibration were evaluated using [+θ/-θ] s angle-ply based laminates. Loss factor values for these laminates are 0.015-0.1, which are 2 to 20 times as large as that for conventional CFRP. Theoretical and FEM analysis were used to predict the damping properties. Good agreement was obtained between these predictions and the experimental results at low temperature range.抄録全体を表示PDF形式でダウンロード (792K) -
前田 豊, 児玉 斉, 木場 久雄, 五味 武夫, 中川 高彰1994 年 20 巻 4 号 p. 162-164
発行日: 1994/08/15
公開日: 2009/08/11
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タイ カオミン, 正木 信男, 小山 充彦1994 年 20 巻 4 号 p. 165-167
発行日: 1994/08/15
公開日: 2009/08/11
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田中 常雄, 谷木 謙介, 小島 信男, 木村 耕三, 勝俣 英雄1994 年 20 巻 4 号 p. 168-169
発行日: 1994/08/15
公開日: 2009/08/11
ジャーナル フリーPDF形式でダウンロード (1118K)
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