The deformation behavior and texture evolution of pure magnesium were investigated during plane strain compression, simple compression, and uniaxial tension at room temperature. The distinctive stages in the measured anisotropic stress-strain responses and numerically computed strain-hardening rates were correlated with texture and deformation mechanisms. More specifically, in plane strain compression and simple compression, the onset of tensile twins and the accompanying texture-hardening effect were associated with the initial high strain-hardening rates observed in specimens loaded in directions perpendicular to the crystallographic c-axis in most of the grains. The subsequent drop in strain-hardening rates in these samples was correlated with the exhaustion of tensile twins and the activation of pyramidal slip systems. The falling strain-hardening rates were observed in simple compression and plane strain compression with loading directions parallel to the c-axis where the second pyramidal slip systems were the only slip families that can accommodate deformation. For uniaxial tension with the basal plane parallel to the tensile axis, the prismatic and second pyramidal slips are the main deformation mechanisms. The predicted relative slip and twin activities from the crystal plasticity simulations clearly showed the effect of texture on the type of activated deformation mechanisms.
from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/2DMFc85
via IFTTT
Εγγραφή σε:
Σχόλια ανάρτησης (Atom)
Δημοφιλείς αναρτήσεις
-
Publication date: Available online 4 January 2018 Source: European Journal of Radiology Author(s): Peiyao Zhang, Jing Wang, Qin Xu, Zhen...
-
Pycnodysostosis is a rare autosomal, recessive, skeletal dysplasia caused by a mutation in the cathepsin k gene. Pycnodysostosis is characte...
-
2016-12-10T02-17-59Z Source: Indo American Journal of Pharmaceutical Research Radha S & Sreelatha .S*. Research has demonstrated th...
-
ACS Nano DOI: 10.1021/acsnano.7b01783 from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/2trY7nv via...
-
2016-10-22T03-07-52Z Source: International Journal of Community Medicine and Public Health Ketan R. Dagdiya, Sushma S. Thakre, Subhash B....
-
Need Industrial relations advice? Unfair dismissals laws? Discrimination in the workplace? Sexual harassment? We can help. AWNA is Australia...
-
by Javier U. Chicote, Rob DeSalle, José Segarra, Tung-Tien Sun, Antonio García-España from #AlexandrosSfakianakis via Alexandros G.Sfakia...
-
Vol.28 No.1 from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1QLVDop via IFTTT
-
Participant Experiences of Attending a Community CBT Workshop for Insomnia: A Qualitative Six-Year Follow-Up. Behav Sleep Med. 2017 Ap...
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου