grain boundary passivationとは 意味・読み方・使い方

The potential is thereafter inversely swept to the natural potential 1 through a re-passivation area and an active state area to selectively corrode the crystal grain boundary part.例文帳に追加

爾後、該電位を再不動態域と活性態域とを通過させて自然電位(1)まで逆掃引し、結晶粒界部を選択的に腐食させる。 - 特許庁

When the potential is returned from the passivation potential 2 to the natural potential 1 through the return point R, the sweep is performed at a low rate at least up to the re-passivation minimum potential 8 in the inverse sweep to promote the dissolution of the grain boundary part.例文帳に追加

不動態化電位(2)から折り返し点(R)を経て自然電位(1)に戻す際に、少なくとも逆掃引時の再不動態化最小電位(8)迄は遅い速度で掃引して粒界部の溶解を促進する。 - 特許庁

To provide a method capable of evenly and surely forming a passive film while suppressing excessive metal corrosion of a crystal grain surface, and selectively breaking and metal-corroding a passive film in a grain boundary part without stopping or holding sweep at a re-passivation minimum potential.例文帳に追加

結晶粒表面の過剰な金属腐食を抑えて、不動態皮膜をムラなく確実に形成でき、また、再不動態化最小電位にて掃引の停止・保持をすることなく、粒界部の不動態皮膜を選択的に破壊して金属腐食させ得る方法を提供する。 - 特許庁