Abstract
In oxide dispersion strengthened (ODS) alloys, the oxide/metal interface plays an important role as regards hydrogen trapping which in turn affects the hydrogen embrittlement behavior. In these alloys, the presence of small oxide dispersoids results in a very large matrix/oxide interfacial area that are ideal locations for hydrogen segregation. The aim of the present study is to understand the effect of the matrix/oxide interface on the hydrogen embrittlement behavior of internally oxidized Cu-Al{sub 2}O{sub 3} alloys. This study focuses on the effect of physically stable dispersoids of Al{sub 2}O{sub 3} on the embrittlement behavior unlike the effect of Cu{sub 2}O seen in pure Cu.
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