照射誘起アモルファス化 (高速電子照射)


Contents




照射誘起アモルファス化 (高速電子照射)

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It is well known that MeV electron irradiation in HVEM can lead to solid-state amorphization (SSA) of intermetallic compounds. After first findings of MeV electron irradiation induced SSA [1-3], systematic experimental and theoretical studies on electron-irradiation-induced SSA have been conducted to understand the SSA mechanism [4,5]; The systematic experimental research clarified that this phenomenon was commonly observed for metallic materials [4]. It is proposed that the generalized Lindemann melting (GLM) criterion and theoretically suggested that SSA is a kinetically constrained melting process [5]. The experimental data on the occurrence of solid-state amorphization (crystal-to-amorphous transition) by MeV electron irradiation reported to date is summarized in the literatures [6, 7].

REFERENCES
[1] H. Mori, H. Fujita, Jpn. J. Appl. Phys. 21 (1982) L494.
[2] G. Thomas, H. Mori, H. Fujita, R. Sinclair, Scr. Metall. 16 (1982) 589.
[3] A. Mogro-Campero, E.L. Hall, J.L. Walter, A.J. Ratkowski: in S.T. Picraux, W.J. Choyke (Eds.), Metastable Materials Formation by Ion-Implantation, North-Holland, New York, 1982, pp. 203–208.
[4] H. Mori, Current topics in amorphous materials, in: Y. Sakurai, Y. Hamakawa, T. Masumoto, K. Shirae, K. Suzuki (Eds.), Physics and Technology, Elsevier Science Publishers, Amsterdam, 1997, pp. 120-126.
[5] P.R. Okamoto, N.Q. Lam, L.E. Rehn, Physics of crystal-to-glass transformations, in: H. Ehrenreich, F. Spaepen (Eds.), Solid State Physics, vol. 52, Academic Press, San Diego, 1999.
[6] T. Nagase, Advanced materials design by irradiation of high energy particles, in: Progress in Advanced Structural and Functional Materials Design, Ed., T. Kakeshita, Springer, 2013. pp. 137-153. ISBN 978-4-431-54063-2., http://www.springer.com/materials/structural+materials/book/978-4-431-54063-2
[7] T. Nagase, P. D. Rack, J. H. Noh, T. Egami, Intermetallics, 59, 32-42 (2015)., http://dx.doi.org/10.1016/j.intermet.2014.12.007




データベース : 固相アモルファス化 (高速電子照射)

Table 1
Amorphization tendency in intermetallic compounds under MeV electron irradiation. The experimental data on the occurrence of solid-state amorphization (crystal-to-amorphous transition) by MeV electron irradiation reported to date [1,2]. The experimental data list was firstly developed by H. Mori [3], and most of the data are taken from that list.
Updated, 12/25/2014

CompoundsExperimentC-A-C transitionMemo
Al2AuNo
Al2CuNo
AlCu(η2)No
Al9Co2Yes
Al5Co2No
Al7CrYes
Al5CrYes
Al4CrYes
Al9Cr4No
Al8Cr5No
AlCr2No
Al3FeYes
Al5Fe2No
Al2FeNo
AlFeNo
Al6MnYes
Al4MnYes
Al3MnNo
Al11Mn4No
AlMn (γ2)No
Al12MoNo
Al8Mo3No
Al3NiNo
Al3Ni2No
AlNiNo
AlNi3No
Al10VYes
Al45V7Yes
Al23V4Yes
Al3VNo
Al8V5No
Al3TiNo
Al2ZrYes
Al3Zr2Yes
AlZrYes
Al4Zr5Yes
Al3Zr4Yes
Al2Zr3Yes
AlZr2Yes
Al3ZrNo
AlZr3No
Al12WNo
BCo2Yes
BCo3Yes
BCoNo
BFe3Yes
BFe2No
B3Ni4 (o)Yes
BNi2Yes
BNiNo
B3Ni4 (m)No
BNi3No
Co3TiNo
Co2TiYes
CoTiNo
CrFeNo
Cr2ZrYes
Cr2TiYes
Cu3Ti2Yes
Cu4Ti3Yes
CuTiYes
CuTi2Yes
Cu4TiNo
Cu10Zr7Yes
CuZrYes
CuZr2Yes
Fe17Nd2Yes
Fe2TiYes
FeTiNo
FeZr2Yes
FeZr3Yes
Mn2TiYes
MoNiYes
Nb7Ni6Yes
NbNi3No
NiTiYes
NiTi2Yes
Ni3TiNo
Ni3ZrYes
NiZrYes
NiZr2Yes
PdTi2NoPartial Amorphization
PdZr2Yes
Pt3Zr5Yes
Fe23Nd2B3Yes
Fe14Nd2BYes
Fe81Zr9B10Yes
Fe4Nd1.1B4No
Ti50Ni48Fe2Yes
Ti50Ni44Fe6Yes
Ti50Ni40Fe10Yes
Ti50Ni30Fe20Yes
Ti50Ni20Fe30Yes
Ti50Ni10Fe40Yes

REFERENCES
[1] T. Nagase (Contribution): Advanced materials design by irradiation of high energy particles, in: Progress in Advanced Structural and Functional Materials Design, Ed., T. Kakeshita, Springer, 2013. pp. 137-153. ISBN 978-4-431-54063-2., http://www.springer.com/materials/structural+materials/book/978-4-431-54063-2
[2] T. Nagase, P. D. Rack, J. H. Noh, T. Egami, Intermetallics, 59, 32-42 (2015)., http://dx.doi.org/10.1016/j.intermet.2014.12.007
[3] H. Mori, Current topics in amorphous materials, in: Y. Sakurai, Y. Hamakawa, T. Masumoto, K. Shirae, K. Suzuki (Eds.), Physics and Technology, Elsevier Science Publishers, Amsterdam, 1997, pp. 120-126.




固相アモルファス化とマルテンサイト変態の関連性

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Both Solid State Amorphization (SSA) and Martensite (MS) Transformation are closely associated with lattice softening. This indicates that there is a close relationship between SSA and MS transformation. Generalized Lindemann Melting (GLM) Criterion implies the relationship between SSA and MS transformation from the theoretical view points. It has been reported that the amorphous volume fraction depends on the martensite transition temperature in binary Ti-Ni alloys undergoing plastic deformation [2], implying the relationship between SSA and MS transformation. However, there is no quantitative discussion about the relationship. High Voltage Electron Microscopy (HVEM) is suitable for clarifing the relationship in detail.
Recently, it was reported that the stability of the B2 phase against martensite transformation monotonously increases with the Fe content in the Ti50Ni50-xFex alloy; the characteristic temperatures of martensite transformation, such as resistivity minimum, inflection point of resistivity, and susceptibility inflection point decrease with an increase in the Fe content [3]. To clarify the relationship between SSA and MS transition, electron irradiation induced SSA behavior in Ti50Ni50-xFex alloy is investigated by High Voltage Electron Microscopy (HVEM) [4].

REFERENCES
[1] P.R. Okamoto, N.Q. Lam, L.E. Rehn, Physics of crystal-to-glass transformations, in: H. Ehrenreich, F. Spaepen (Eds.), Solid State Physics, vol. 52, Academic Press, San Diego, 1999.
[2] J.C. Ewert , I. Bohm, R. Peter, F. Haidar: Acta Mater. 45, 2197 (1997).
[3] M.S. Choi, T. Fukuda, T. Kakeshita. Scripta Mater., 53, 869 (2005).
[4] T. Nagase, A. Sasaki, H. Y. Yasuda, H. Mori, T. Terai, T. Kakeshita: Intermetallics, 19, 1313-1318 (2011)., http://dx.doi.org/10.1016/j.intermet.2011.04.013


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Last-modified: 2020-12-20 (日) 10:15:00