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","材料力学および演習, 微分積分学第一, 第二, 物理学概論第一, 第二","なし. ","教科書の指定はない. \n参考書:材料強度学:田中啓介著(丸善), 線形破壊力学入門:岡村弘之(培風館)","本講義は, (Cc)日本語で説明を行い, 日本語の資料を配布します. \n授業の概要\n (1)固体の理想的な強度と実際の強度の比較, (2)Griffithの理論によるき裂材の強度を学び, 次に機器・構造物の設計に必要な(3)線形破壊力学に基づくき裂材の強度計算法や破壊じん性の考え方, (4)弾塑性破壊力学に基づくき裂材の強度計算, (5)疲労強度や疲労き裂進展の基本, (6)高温環境下におけるクリープ破壊, 高温破壊, (7)応力腐食割れ, 腐食疲労, (8)材料強度の確率的性質, について学ぶ. \n第1回:序論:破壊現象の種類, 破壊研究の歴史, 静的強度の理論展開\n第2回:固体の理想的強度と実際の強度 :破壊形態の分類, 固体の理想的破壊強度\n第3回:Griffithの理論とその拡張理論 :Griffithの理論, Griffith-Orowan-Irwinの理論\n第4回:線形破壊力学:応力集中, 応力拡大係数, モードI,II,IIIの場合のき裂先端近傍の応力と変位\n第5回:線形破壊力学:応力拡大係数とエネルギー開放率の関係, 小規模降伏\n第6回:線形破壊力学:破壊じん性, 平面ひずみ破壊じん性\n第7回:弾塑性破壊力学:J積分, J積分の特徴, J積分の求め方, JICクライテリオン\n第8回:疲労強度:疲労破壊の様相, S-N線図, 疲労限度\n第9回:疲労強度:疲労強度に及ぼす諸因子の影響, 疲労き裂進展\n第10回:疲労強度:疲労機構\n第11回:疲労強度:変動振幅応力下の疲労, 低サイクル疲労\n第12回:高温強度:クリープ変形及びクリープ破壊, 高温疲労\n第13回:高温強度:高温におけるき裂進展, 環境強度:材料強度に及ぼす環境効果, 腐食の電気化学機構\n第14回:環境強度:応力腐食割れ, 腐食疲労\n第15回:強度と破壊の確率的性質:欠陥から導かれる強度分布, 材料強度のばらつき","毎週の講義内容を復習し理解を深めておくこと. 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