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

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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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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

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.

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