TY - JOUR
T1 - Hardness modification of aluminum-alloys by means of energetic ion irradiation and subsequent thermal aging
AU - Mitsuda, T.
AU - Kobayashi, I.
AU - Kosugi, S.
AU - Fujita, Nao
AU - Saitoh, Y.
AU - Hori, F.
AU - Semboshi, S.
AU - Kaneno, Y.
AU - Nishida, K.
AU - Soneda, N.
AU - Ishino, S.
AU - Iwase, A.
PY - 2012/2/1
Y1 - 2012/2/1
N2 - So far, we have found that the hardness of Al-Cu-Mg alloy (JIS2017, Duralumin) increases by energetic heavy ion irradiation at room temperature. Observations by using the three-dimensional atom probe (3DAP) have revealed that nano-meter sized precipitates are homogeneously distributed in the irradiated specimens, which are produced through the irradiation enhanced diffusion of solute atoms. The small precipitates contribute to the increase in hardness. In this report, we show the results for the hardness modification of Al-Cu-Mg alloy by the combination of energetic ion irradiation and thermal aging treatment. The hardness of the specimens pre-irradiated and thermally aged at 423 K is much larger than that without the pre-irradiation. The present result indicates that the combination of energetic ion irradiation and subsequent thermal aging can be used as an effective tool for the hardness modification of Al-Cu-Mg alloy.
AB - So far, we have found that the hardness of Al-Cu-Mg alloy (JIS2017, Duralumin) increases by energetic heavy ion irradiation at room temperature. Observations by using the three-dimensional atom probe (3DAP) have revealed that nano-meter sized precipitates are homogeneously distributed in the irradiated specimens, which are produced through the irradiation enhanced diffusion of solute atoms. The small precipitates contribute to the increase in hardness. In this report, we show the results for the hardness modification of Al-Cu-Mg alloy by the combination of energetic ion irradiation and thermal aging treatment. The hardness of the specimens pre-irradiated and thermally aged at 423 K is much larger than that without the pre-irradiation. The present result indicates that the combination of energetic ion irradiation and subsequent thermal aging can be used as an effective tool for the hardness modification of Al-Cu-Mg alloy.
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U2 - 10.1016/j.nimb.2011.01.030
DO - 10.1016/j.nimb.2011.01.030
M3 - Article
AN - SCOPUS:84655170020
SN - 0168-583X
VL - 272
SP - 49
EP - 52
JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
ER -