オペランド水素顕微鏡の開発とそれを用いた金属材料を透過する水素の可視化について、トピックスとして解説を書くよう依頼された。ステンレスの水素透過、局所透過の画像から、結晶粒ごとの水素の拡散係数と透過フラックスの算出、その結果から推測される構造とその中の水素の拡散モデルの提案に...

One of the biggest issues in the hydrogen economy is “hydrogen embrittlement” of metal induced by hydrogen entering and diffusing into th...

The dynamics of hydrogen in metals with mixed grain structure is not well understood at a microscopic scale. One of the biggest issues fa...

EBSD indexing based on Kikuchi diffraction patterns, which indicate the types and orientation of the crystal lattice, is generally effect...

The mechanical behavior of multilayer steel structures fabricated via wire and arc additive manufacturing (WAAM) has been investigated fr...