Выходит 4 номеров в год
ISSN Печать: 1093-3611
ISSN Онлайн: 1940-4360
IF:
0.4
Immediacy Index:
0.1
Eigenfactor:
0.00005
JCI:
0.07
SJR:
0.198
SNIP:
0.48
CiteScore™::
1.1
H-Index:
20
Indexed in
ION-BEAM ASSISTED DEPOSITION EFFECT ON RESIDUAL STRESSES IN 304L STAINLESS STEEL FILMS
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Краткое описание
Improvement of the tribological behaviour of bulk material with a deposited coating on its surface is widely used because it generally provides good results. Nevertheless, the deposition process is often responsible of residual stress generation in the film which may then lead to a degradation of the coated sample. The aim of this work is to show that high compressive stresses existing in a 304L Stainless Steel sputter-deposited coating may be reduced when using ion irradiation during thin film growth. The evolution of the mechanical and microstructural state as a function of ion irradiation have been studied by X-ray diffraction and curvature methods. The results indicate a large decrease of the compressive stress magnitude (about 50%) and an increase of the size of coherently diffracting domains (factor 10) for ion-beam assisted deposition process with respect to the classical one. Furthermore, we observed a large difference (around 1 GPa) for all the samples between the stress level determined by X-ray diffraction and the one related to curvature method. In addition, conversion electron Mossbauer spectroscopy results are closely correlated to the X-ray diffraction ones.
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Goudeau P., George M., Coupeau C., Ion irradiation effects on the mechanical stability of compressed metallic thin films, Applied Physics Letters, 84, 6, 2004. Crossref
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Goudeau P., Bechade J.L., Boubeker B., Renault P.-O., Serrari A., Eymery J.P., X-ray diffraction analysis of texture modification induced by ion beam irradiation in stainless steel films, Applied Surface Science, 228, 1-4, 2004. Crossref
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Boubeker B, Talea M, Goudeau Ph, Coupeau C, Grilhe J, On the Young's modulus of 304 L stainless steel thin films, Materials Characterization, 45, 1, 2000. Crossref
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Eymery J.-P., Merakeb N., Goudeau Ph., Fnidiki A., Bouzabata B., A Mössbauer comparative study of the local environment in metastable 304 stainless steel films depending on the preparation mode, Journal of Magnetism and Magnetic Materials, 256, 1-3, 2003. Crossref
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Benoist J, Girardeau T, Goudeau P, Badawi K.F, Traverse Agnès, Study by complementary X-ray techniques of in-depth microstructure in Ni-based superalloys after Pt diffusion treatment, Surface and Coatings Technology, 161, 2-3, 2002. Crossref
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George M., Coupeau C., Colin J., Grilhé J., Mechanical behaviour of metallic thin films on polymeric substrates and the effect of ion beam assistance on crack propagation, Acta Materialia, 53, 2, 2005. Crossref
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Goudeau P, Renault P.O, Villain P, Coupeau C, Pelosin V, Boubeker B, Badawi K.F, Thiaudière D, Gailhanou M, Characterization of thin film elastic properties using X-ray diffraction and mechanical methods: application to polycrystalline stainless steel, Thin Solid Films, 398-399, 2001. Crossref