On Consideration for Fracture Toughness Evaluation of Mode II
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概要
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The evaluation of fracture toughness for Mode II and Mode III is very important when we consider the extension of cracks under compressive loading. The standard testing method for fracture toughness evaluation is already proposed and usually carried out by Mode I testing. However, the evaluation of fracture toughness for Mode II or Mode III is independent of one for Mode I . Therefore, we have to consider on the evaluation method in some form for Mode II and Mode III. In this study, fracture toughness K_<IIC> is estimated by three kinds of testing methods using the model that can evaluate a stress intensity factor K_<II>. The acryl resin specimens that show a linear behavior is used for the experiment, and K_<IIC> is evaluated by using the maximum load. Then, the difference between K_<IIC> and previously reported K_<IC> for same material, is considered. The error over each testing method is investigated, and the strong and weak point for each procedure is discussed.
- 徳山工業高等専門学校の論文
著者
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Hashimoto Ken-ichi
Department Of Civil Engineering And Architecture The Tokuyama College Of Technology
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Hashimoto Ken-ich
Department Of Civil Engineering And Architecture
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