Interfacial structure and bonding mechanism of weld seams during porthole die extrusion of aluminum alloy profiles

Volume: 138, Pages: 56 - 66
Published: Apr 1, 2018
Abstract
Fine nanostructures of bonding interfaces of weld seams formed by porthole die extrusion in the absence/presence of a gas-pocket behind the bridge of the extrusion die were systematically studied to understand the underlying interfacial bonding mechanisms. Interfacial grain boundaries, nanoscale amorphous layers, and three kinds of new interfacial structures were found. Specifically, it was found that, in the absence of a gas-pocket behind the...
Paper Details
Title
Interfacial structure and bonding mechanism of weld seams during porthole die extrusion of aluminum alloy profiles
Published Date
Apr 1, 2018
Volume
138
Pages
56 - 66
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