首页|Femtosecond laser driven shock quenching of the nanocrystalline high-pressure phase of iron
Femtosecond laser driven shock quenching of the nanocrystalline high-pressure phase of iron
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Quenching of the nanocrystalline high-pressure ε phase of iron， which has not been observed under a conventional shock compression， was attained using a femtosecond laser。 A small quantity of the γ phase of iron also existed。 We found that the ε phase was induced by the shock itself but not the γ phase。 The γ phase was suggested to be induced as an intermediate structure between the α-ε transition。 The femtosecond laser driven shock may have the potential to quench high-pressure phases which has not been attained using conventional methods。
femtosecond laserironhigh-pressure phasequenching
Tomokazu Sano、Hiroaki Mori、Osami Sakata、Etsuji Ohmura、Isamu Miyamoto、Akio Hirose、Kojiro F. Kobayashi
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Graduate School of Engineering, Osaka University 2-1 Yamada-Oka, Suita, Osaka 565-0871, Japan
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