引張試験から真応力 真ひずみ曲線を求める方法(名古屋市工業研究所・村田真伸先生)

真応力―真ひずみ曲線は,材料の塑性変形特性を評価するうえで大変重要な材料特性値の一つです.本動画では,公称応力と真応力との違い,および,公称ひずみと真ひずみの違いについて解説するとともに,それぞれの曲線の使い分けについても解説します. 真ひずみと公称ひずみの特徴の違いや,真ひずみの式の導出の詳細などについては, 以下のリンク先の動画で,より詳しく解説していますので参照してください. JSTPものづくりチャンネル 公称ひずみと真ひずみ(京都大学・浜孝之先生)    • 公称ひずみと真ひずみ(京都大学・浜孝之先生)  

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応力とひずみの関係とは?フックの法則や縦弾性係数を使いこなそう!【初めて学ぶ人のための材料力学の教室】
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