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Effect of back pressure during equal-channel angular pressing on deformation-induced porosity in copper

Ribbe, Jens, Schmitz, Guido, Rösner, Harald, Lapovok, Rimma, Estrin, Yuri, Wilde, Gerhard and Divinski, Sergiy V. 2013, Effect of back pressure during equal-channel angular pressing on deformation-induced porosity in copper, Scripta materialia, vol. 68, no. 12, pp. 925-928, doi: 10.1016/j.scriptamat.2013.02.034.

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Title Effect of back pressure during equal-channel angular pressing on deformation-induced porosity in copper
Author(s) Ribbe, Jens
Schmitz, Guido
Rösner, Harald
Lapovok, Rimma
Estrin, Yuri
Wilde, Gerhard
Divinski, Sergiy V.
Journal name Scripta materialia
Volume number 68
Issue number 12
Start page 925
End page 928
Total pages 4
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2013-06
ISSN 1359-6462
Keyword(s) severe plastic deformation
equal-channel angular pressing
copper
defects
diffusion
Summary The effect of back pressure during equal channel angular pressing (ECAP) on deformation-induced porosity is investigated. While percolating porosity was found after 4 ECAP passes in the absence of back pressure, no percolation was detected when a back pressure of 200 MPa was applied. However, after ECAP with back pressure continued to 8 passes, percolating porosity did appear. The nature of the percolating porosity developed in severely deformed materials is discussed.
Language eng
DOI 10.1016/j.scriptamat.2013.02.034
Field of Research 091207 Metals and Alloy Materials
0912 Materials Engineering
0913 Mechanical Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, Acta Materialia
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075983

Document type: Journal Article
Collection: Institute for Frontier Materials
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