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Pressure effects on metallic glasses / J. Caris in Acta materialia, Vol. 58 N° 3 (Fevrier 2010) 

Public ISBD [article]  in Acta materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 1026-1036 Titre : Pressure effects on metallic glasses Type de document : texte imprimé Auteurs : J. Caris, Auteur ; J. J. Lewandowski, Auteur Article en page(s) : pp. 1026-1036 Note générale : Métallurgie Langues : Anglais (eng) Mots-clés : Metallic  glass  Shear  bands  Tension  test  Acoustic  methods  Pressure  effects Index. décimale : 669 Métallurgie Résumé : The effects of normal stress/superimposed pressure on the flow/fracture of two different zirconium-based glasses and a hafnium-based bulk metallic glass (BMG) tested at Case Western Reserve University is presented. These results are compared with the pressure sensitivity of the bulk modulus and shear modulus of amorphous metals in the manner previously conducted by Spitzig and Richmond for crystalline metals. Although few experimental results of this nature exist, the data obtained to date reveal minimal normal stress/pressure sensitivity for the BMG examined in this study, consistent with the small pressure dependence of the shear modulus. Comparison with various yield/fracture criteria is also provided. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235556%23 [...] [article] Pressure effects on metallic glasses [texte imprimé] / J. Caris, Auteur ; J. J. Lewandowski, Auteur . - pp. 1026-1036. Métallurgie Langues : Anglais (eng) in Acta materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 1026-1036 Mots-clés : Metallic  glass  Shear  bands  Tension  test  Acoustic  methods  Pressure  effects Index. décimale : 669 Métallurgie Résumé : The effects of normal stress/superimposed pressure on the flow/fracture of two different zirconium-based glasses and a hafnium-based bulk metallic glass (BMG) tested at Case Western Reserve University is presented. These results are compared with the pressure sensitivity of the bulk modulus and shear modulus of amorphous metals in the manner previously conducted by Spitzig and Richmond for crystalline metals. Although few experimental results of this nature exist, the data obtained to date reveal minimal normal stress/pressure sensitivity for the BMG examined in this study, consistent with the small pressure dependence of the shear modulus. Comparison with various yield/fracture criteria is also provided. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235556%23 [...]

Pressure effects on metallic glasses / J. Caris in Acta materialia, Vol. 58 N° 3 (Fevrier 2010) 

Public ISBD [article]  in Acta materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 1026–1036 Titre : Pressure effects on metallic glasses Type de document : texte imprimé Auteurs : J. Caris, Auteur ; J. J. Lewandowski, Auteur Année de publication : 2011 Article en page(s) : pp. 1026–1036 Note générale : Métallurgie Langues : Anglais (eng) Mots-clés : Metallic  glass  Shear  bands  Tension  test  Acoustic  methods  Pressure  effects Résumé : The effects of normal stress/superimposed pressure on the flow/fracture of two different zirconium-based glasses and a hafnium-based bulk metallic glass (BMG) tested at Case Western Reserve University is presented. These results are compared with the pressure sensitivity of the bulk modulus and shear modulus of amorphous metals in the manner previously conducted by Spitzig and Richmond for crystalline metals. Although few experimental results of this nature exist, the data obtained to date reveal minimal normal stress/pressure sensitivity for the BMG examined in this study, consistent with the small pressure dependence of the shear modulus. Comparison with various yield/fracture criteria is also provided. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645409006971 [article] Pressure effects on metallic glasses [texte imprimé] / J. Caris, Auteur ; J. J. Lewandowski, Auteur . - 2011 . - pp. 1026–1036. Métallurgie Langues : Anglais (eng) in Acta materialia > Vol. 58 N° 3 (Fevrier 2010) . - pp. 1026–1036 Mots-clés : Metallic  glass  Shear  bands  Tension  test  Acoustic  methods  Pressure  effects Résumé : The effects of normal stress/superimposed pressure on the flow/fracture of two different zirconium-based glasses and a hafnium-based bulk metallic glass (BMG) tested at Case Western Reserve University is presented. These results are compared with the pressure sensitivity of the bulk modulus and shear modulus of amorphous metals in the manner previously conducted by Spitzig and Richmond for crystalline metals. Although few experimental results of this nature exist, the data obtained to date reveal minimal normal stress/pressure sensitivity for the BMG examined in this study, consistent with the small pressure dependence of the shear modulus. Comparison with various yield/fracture criteria is also provided. DEWEY : 669 ISSN : 1359-6454 En ligne : http://www.sciencedirect.com/science/article/pii/S1359645409006971