Fractography

Japanese: フラクトグラフィー(英語表記)fractography
Fractography
This is translated as fracture surface analysis. It is the observation of the fracture surface of a material to obtain information on the fracture mechanism and cause of fracture. Since this information is obtained after the fracture has occurred, it is not possible to know the entire fracture process. There are macrofractography, which is performed with the naked eye or a low-magnification (up to about 40x) optical microscope, microfractography, which is observed at a higher magnification, and electron (micro)fractography, which uses an electron microscope. When simply referring to fractography, it often refers to the last one. In this case, a transmission electron microscope or a scanning electron microscope is often used.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
破面解析と訳される。材料の破断面を観察して,その破壊機構や破壊原因の情報を得ること。この情報は,破断後のものなので,破壊過程のすべてを知ることはできない。肉眼および低倍率 (40倍程度まで) の光学顕微鏡によるマクロフラクトグラフィー,それ以上の倍率で観察するマイクロフラクトグラフィー,電子顕微鏡を用いるエレクトロン (マイクロ) フラクトグラフィーがある。単にフラクトグラフィーというときは,最後のものをさすことが多い。この場合,透過電子顕微鏡あるいは走査型電子顕微鏡がよく利用される。

出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報

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