Advances in Materials Science and Engineering / 2020 / Article / Fig 5

Research Article

The Influence of High-Temperature Nitrogen Plasma-Based Ion Implantation on Niobium Creep Behavior

Figure 5

Comparison of the surface morphologies of untreated niobium (a), with samples submitted to HT-NPBII at treatment times of 1 h (b), 4 h (c), and 8 h (d), evidencing the enlargement of the grain sizes.
(a)
(b)
(c)
(d)

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