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On the applicability of high strength self-tapping aluminium bolts in magnesium nut materials for automotive applications / G. Gerstmayr in Materials and corrosion, Vol. 61 N° 5 (Mai 2010) 

Public ISBD [article]  in Materials and corrosion > Vol. 61 N° 5 (Mai 2010) . - pp. 379–387 Titre : On the applicability of high strength self-tapping aluminium bolts in magnesium nut materials for automotive applications Type de document : texte imprimé Auteurs : G. Gerstmayr, Auteur ; G. Mori, Auteur ; H. Leitner, Auteur Année de publication : 2010 Article en page(s) : pp. 379–387 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : galvanic  corrosion;  high  strength  aluminium  alloys;  stress  corrosion  cracking Résumé : High strength aluminium bolts made of AW 6056 T6, AW 7075 T6 and T79 have been investigated regarding the applicability in magnesium nut materials for automotive applications. With respect to galvanic corrosion all combinations of aluminium bolts with magnesium parts show superior corrosion properties when compared to galvanised steel bolts connected to magnesium. With respect to stress corrosion cracking (SCC) no aluminium bolt in contact with magnesium failed due to SCC. This is because of cathodic protection of aluminium alloy through magnesium. Even peak-tempered highest strengthened T6 7xxx aluminium bolts can be used for automotive applications when compressive residual stresses are present in the thread root of the bolts. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.200905409/abstract [article] On the applicability of high strength self-tapping aluminium bolts in magnesium nut materials for automotive applications [texte imprimé] / G. Gerstmayr, Auteur ; G. Mori, Auteur ; H. Leitner, Auteur . - 2010 . - pp. 379–387. Génie mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 61 N° 5 (Mai 2010) . - pp. 379–387 Mots-clés : galvanic  corrosion;  high  strength  aluminium  alloys;  stress  corrosion  cracking Résumé : High strength aluminium bolts made of AW 6056 T6, AW 7075 T6 and T79 have been investigated regarding the applicability in magnesium nut materials for automotive applications. With respect to galvanic corrosion all combinations of aluminium bolts with magnesium parts show superior corrosion properties when compared to galvanised steel bolts connected to magnesium. With respect to stress corrosion cracking (SCC) no aluminium bolt in contact with magnesium failed due to SCC. This is because of cathodic protection of aluminium alloy through magnesium. Even peak-tempered highest strengthened T6 7xxx aluminium bolts can be used for automotive applications when compressive residual stresses are present in the thread root of the bolts. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.200905409/abstract