Figure 12
From: Vacancy-Hydrogen Interaction in Niobium during Low-Temperature Baking
Log-log plot of hardness versus indentation depth. The hardness \(H\) measured at various depths from 150 nm up to 5 μm were divided by the bulk value of hardness \({H}_{0}\) measured using the loading force of 500 mN for which the indentation depth exceeded 5 μm.
