Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Transient liquid phase diffusion bonding of Al/Mg2Si metal matrix composite
Research highlights ► Evaluation of TLP feasibility for joining of Al/Mg2Si MMC using Cu interlayer. ► Evaluation of bonding temperature and duration effects. ► Evaluation of TLP process under low vacuum. ► Evaluation of TLP diffusion bonding in cast MMCs with porosity.
Abstract As-cast Al/Mg2Si metal matrix composite was joined by transient liquid phase diffusion bonding using Cu interlayer at various bonding temperatures and durations. This metal matrix composite contained 15% Mg2Si and was produced through in situ technique by gravity casting. Specific diffusion bonding process was applied as a low vacuum technique. The microstructure of joints consisted of Al-α, CuAl2 and Mg2Si or Al-α and Mg2Si depending on bonding temperature and duration. The maximum shear strength was achieved when samples were bonded at 580°C for 120min. Micro-hardness and compositional homogeneity of joints across the bonded interface were improved with increasing the bonding duration at 560°C and had no significant changes at 580°C.
Transient liquid phase diffusion bonding of Al/Mg2Si metal matrix composite
Research highlights ► Evaluation of TLP feasibility for joining of Al/Mg2Si MMC using Cu interlayer. ► Evaluation of bonding temperature and duration effects. ► Evaluation of TLP process under low vacuum. ► Evaluation of TLP diffusion bonding in cast MMCs with porosity.
Abstract As-cast Al/Mg2Si metal matrix composite was joined by transient liquid phase diffusion bonding using Cu interlayer at various bonding temperatures and durations. This metal matrix composite contained 15% Mg2Si and was produced through in situ technique by gravity casting. Specific diffusion bonding process was applied as a low vacuum technique. The microstructure of joints consisted of Al-α, CuAl2 and Mg2Si or Al-α and Mg2Si depending on bonding temperature and duration. The maximum shear strength was achieved when samples were bonded at 580°C for 120min. Micro-hardness and compositional homogeneity of joints across the bonded interface were improved with increasing the bonding duration at 560°C and had no significant changes at 580°C.
Transient liquid phase diffusion bonding of Al/Mg2Si metal matrix composite
Nami, H. (Autor:in) / Halvaee, A. (Autor:in) / Adgi, H. (Autor:in)
02.02.2011
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Transient liquid phase diffusion bonding of Al/Mg2Si metal matrix composite
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