巻号一覧
25 巻 (1999)
- 6 号 p. 211-
- 5 号 p. 171-
- 4 号 p. 131-
- 3 号 p. 87-
- 2 号 p. 45-
- 1 号 p. 1-
25 巻, 3 号
選択された号の論文の6件中1～6を表示しています
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医学,歯学分野での現状と課題宮入 裕夫1999 年 25 巻 3 号 p. 87-94
発行日: 1999/05/15
公開日: 2009/08/11
ジャーナル フリーPDF形式でダウンロード (8709K) -
藤井 善通, 西籔 和明1999 年 25 巻 3 号 p. 95-101
発行日: 1999/05/15
公開日: 2009/08/11
ジャーナル フリーThe objective of this investigation is to estimate the creep life of glass fiber reinforced plastic (GFRP) under stress-corrosive environments using acoustic emission (AE). The laminates were fabricated using combinations of vinylester resin (R806) and random fiber mat or woven cloth. The creep tests were conducted in 5% nitric acid (HNO3) environment. The AE depends on the loading level and the environment condition. For the creep test, the woven cloth reinforced specimens gave higher number of AE counts than the random mat reinforced specimens. The creep life decreased with increasing creep stress, whereas the rate of AE counts increased with increasing creep stress. A linear relationship was found between the creep life and the AE count rate. Using the proposed equation, a prediction of the creep life of GFRP under corrosive environments would presumably be possible.抄録全体を表示PDF形式でダウンロード (7303K) -
荻原 慎二, 木村 要一, 武田 展雄, 小林 昭1999 年 25 巻 3 号 p. 102-108
発行日: 1999/05/15
公開日: 2009/08/11
ジャーナル フリーStress transfer between fiber and matrix in a single fiber reinforced composite with fiber breaks is analyzed. The model is based on a concentric cylinder model and considers an interphase layer between the fiber and matrix. Account is taken of thermal residual stresses arising from a mismatch between the fiber, matrix and interphase. In addition, Poisson's ratio mismatches are also taken into account. Stress and displacement fields in a single fiber composite under uniaxial tension in fiber direction are analyzed. The analytical results are shown for a single fiber composite with interphase of various elastic properties. Young's modulus reduction of composite due to fiber break is also predicted. The analysis would be useful for interpreting exprimental data of fragmentation tests.抄録全体を表示PDF形式でダウンロード (3643K) -
鈴木 浩治, 金原 勲, 影山 和郎1999 年 25 巻 3 号 p. 109-119
発行日: 1999/05/15
公開日: 2009/08/11
ジャーナル フリーIn the first half of this paper, a reformulated general lamination theory based on the layerwise higher-order displacement assumptions is proposed. The proposed general theory is capable of precise laminate modellings responding to analysis demands and hence is very accurate compared to the conventional classical theories. In particular, it is important to note that it can precisely evaluate transverse and interlaminar stresses. In the latter half of this paper, a layerwise higher-order finite element is developed as a specific application of the proposed general theory. The displacement continuity conditions at the layer interfaces are introduced by invoking the penalty method. A numerical example by the developed element is carried out and compared to the exact solutions for confirming its convergence, accuracy and superiority over the conventional solutions.抄録全体を表示PDF形式でダウンロード (5243K) -
RTM法による複合材の拡大を願って橋本 修1999 年 25 巻 3 号 p. 120-122
発行日: 1999/05/15
公開日: 2009/08/11
ジャーナル フリーPDF形式でダウンロード (5154K) -
釣竿における複合材料黒川 智弘1999 年 25 巻 3 号 p. 122-126
発行日: 1999/05/15
公開日: 2009/08/11
ジャーナル フリーPDF形式でダウンロード (7486K)
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