Formation mechanism and evolution of surface coarse grains on a ZK60 Mg profile extruded by a porthole die

Volume: 47, Pages: 88 - 102
Published: Jun 1, 2020
Abstract
Porthole die extrusion of Mg alloys was studied by means of experimental and numerical studies. Results indicated that an inhomogeneous microstructure formed on the cross-section of the extruded profile. On the profile surface, abnormal coarse grains with an orientation of <11−20> in parallel to ED (extrusion direction) appeared. In the profile center, the welding zone was composed of fine grains with an average size of 4.19 μm and an...
Paper Details
Title
Formation mechanism and evolution of surface coarse grains on a ZK60 Mg profile extruded by a porthole die
Published Date
Jun 1, 2020
Volume
47
Pages
88 - 102
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