Microstructure evolution and mechanical properties of an ultrahigh strength Al-Zn-Mg-Cu-Zr-Sc (7055) alloy processed by modified powder hot extrusion with post aging
Sign Up to like & getrecommendations! Published in 2019 at "Vacuum"
DOI: 10.1016/j.vacuum.2019.01.013
Abstract: Abstract A modified powder hot extrusion including gas atomization, pre-compaction and hot extrusion was used to fabricate an ultrahigh strength Al-Zn-Mg-Cu-Zr-Sc (7055) alloy. The results reveal that a homogeneous microstructure containing fine grains and tiny… read more here.
Keywords: strength; hot extrusion; modified powder; powder hot ... See more keywords
Experimental studies on a novel roll-to-roll powder hot embossing for large-area fabrication of micropyramid arrays on polymers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Micromechanics and Microengineering"
DOI: 10.1088/1361-6439/aabe10
Abstract: Roll-to-roll (R2R) hot embossing is regarded as a cost-effective replication technology to fabricate microstructures on polymer films. However, the characteristics of continuous and fast forming for the R2R hot embossing process limits material flow during… read more here.
Keywords: roll; fabrication; process; powder ... See more keywords