Study of Surface Blistering and Pinhole Formationon Argon Ion Bombarded Amorphous Alloys

Liu Changlong; Hou Mingdong; Quan Mingxiu; Sun Wensheng

Chinese Physics C> 1996, Vol. 20> Issue(8) : 763-768

Study of Surface Blistering and Pinhole Formationon Argon Ion Bombarded Amorphous Alloys

Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou 730002 Institute of Metal Research,The Chinese Acadamy of Sciences,Shenyang 110015

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Abstract：
Amorphous alloy (Co₉₄Fe₄Cr₂)₇₈Si₈B₁₄ was bombarded with argon ions at energies of 150keV and 195keV respectively. Above a critical fluence blistering and sputtering erosion were the two main surface damage phenomena. The critical fluence for onset of pinhole formation was determined and found to increase with ion energy. The density of pinhole increases with ion fluence dramatically and at a certain fluence, it reaches saturation. However, with the formation of pinhole, the density of blister decreases rapidly and a kind of porous structure is developed at a certain fluence.These results were interpreted with sputtering and rupture of bubbles.

References

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A.K.Tyagi,R.V.Nandedkar,J.Nucl.Mater,132（1987）62.[2]C.Carter,W.A.Grant,Rad.Eff.Lett,58（1981）76.[3]刘昌龙、候明东、全明秀等，材料科学与工程，13（1995）24[4]P.Sigmund,Phys.Rev.,184（1969）383[5]R.Behrisch,J.Bohdansky,J.Nucl.Mater.,60（1976）321[6]K.Kamada,H.Naramoto,Y.Kazumata,J.Nucl.Mater,71（1978）249[7]K.L.Wilson,L.G.Haggmark,R.A.Langley,In: Proc.Intern.Symp.on Plasma Wallinteraction,Julich Oct.1976,412.

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Liu Changlong, Hou Mingdong, Quan Mingxiu and Sun Wensheng. Study of Surface Blistering and Pinhole Formationon Argon Ion Bombarded Amorphous Alloys[J]. Chinese Physics C, 1996, 20(8): 763-768.

Liu Changlong, Hou Mingdong, Quan Mingxiu and Sun Wensheng. Study of Surface Blistering and Pinhole Formationon Argon Ion Bombarded Amorphous Alloys[J]. Chinese Physics C, 1996, 20(8): 763-768. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of Surface Blistering and Pinhole Formationon Argon Ion Bombarded Amorphous Alloys

Corresponding author: Liu Changlong,

Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou 730002 Institute of Metal Research,The Chinese Acadamy of Sciences,Shenyang 110015

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-08-05

Abstract: Amorphous alloy (Co₉₄Fe₄Cr₂)₇₈Si₈B₁₄ was bombarded with argon ions at energies of 150keV and 195keV respectively. Above a critical fluence blistering and sputtering erosion were the two main surface damage phenomena. The critical fluence for onset of pinhole formation was determined and found to increase with ion energy. The density of pinhole increases with ion fluence dramatically and at a certain fluence, it reaches saturation. However, with the formation of pinhole, the density of blister decreases rapidly and a kind of porous structure is developed at a certain fluence.These results were interpreted with sputtering and rupture of bubbles.