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Online since: August 2022
Authors: Haia Aldosari
Fig. 1.
The D + D' peak at 2925cm-1 is due to the defect activated combination of phonons, and the 2D peak at 2658 cm-1 is the second order of the D peak.
Also, an intensive D-band at ~1336 cm-1 and a 2D- band at 2658 cm-1 while D+D’ at ~ 2925 cm-1 is visible.
Specimens ID Tc (ᵒC) Tm (ᵒC) ∆Hm J/g ∆T (ᵒC) Xc(%) PE PP PE PE PP PE PP PB PE 103±1 - 124±1 - 77 - 21 26 - - PEGO 107±1 - 123±1 - 68 - 16 23 - - PErGO 107±1 - 123±1 - 74 - 17 25 - - PEG 107±1 - 123±1 - 77 - 17 26 - - PP - 119±1 - 167±1 - 100 49 - 48 - PPGO - 119±1 - 166±1 - 76 47 - 37 - PPrGO - 121±1 - 165±1 - 78 44 - 38 - PPG - 123±1 - 163±1 - 80 40 - 39 - PB 109±1 115±1 123±1 166±1 15 46 - 5 22 27 PBGO 107±1 118±1 123±1 166±1 27 35 - 9 17 26 PBrGO 106±1 117±1 123±1 165±1 29 37 - 10 18 28 PBG n.d 115±1 121±1 165±1 22 40 - 8 19 27 PBC 106±1 114±1 122±1 164±1 23 33 - 4 23 27 PBCGO 108±1 117±1 123±1 166±1 28 36 - 10 17 27 PBCrGO 106±1 113±1 122±1 164±1 28 32 - 10 16 26 PBCG n.d 114±1 121±1 165±1 32 23 - 11 11 22 Thermal stability.
References [1] A.
The D + D' peak at 2925cm-1 is due to the defect activated combination of phonons, and the 2D peak at 2658 cm-1 is the second order of the D peak.
Also, an intensive D-band at ~1336 cm-1 and a 2D- band at 2658 cm-1 while D+D’ at ~ 2925 cm-1 is visible.
Specimens ID Tc (ᵒC) Tm (ᵒC) ∆Hm J/g ∆T (ᵒC) Xc(%) PE PP PE PE PP PE PP PB PE 103±1 - 124±1 - 77 - 21 26 - - PEGO 107±1 - 123±1 - 68 - 16 23 - - PErGO 107±1 - 123±1 - 74 - 17 25 - - PEG 107±1 - 123±1 - 77 - 17 26 - - PP - 119±1 - 167±1 - 100 49 - 48 - PPGO - 119±1 - 166±1 - 76 47 - 37 - PPrGO - 121±1 - 165±1 - 78 44 - 38 - PPG - 123±1 - 163±1 - 80 40 - 39 - PB 109±1 115±1 123±1 166±1 15 46 - 5 22 27 PBGO 107±1 118±1 123±1 166±1 27 35 - 9 17 26 PBrGO 106±1 117±1 123±1 165±1 29 37 - 10 18 28 PBG n.d 115±1 121±1 165±1 22 40 - 8 19 27 PBC 106±1 114±1 122±1 164±1 23 33 - 4 23 27 PBCGO 108±1 117±1 123±1 166±1 28 36 - 10 17 27 PBCrGO 106±1 113±1 122±1 164±1 28 32 - 10 16 26 PBCG n.d 114±1 121±1 165±1 32 23 - 11 11 22 Thermal stability.
References [1] A.
Online since: January 2024
Authors: Taofeek Ajijola, Ohunene Usman, Jonathan Segun Adekanmi, Folahan Okeola Ayodele
The recorded coordinates are shown in Table 1 and the study area is shown in Fig. 1.
Table 1.
References [1] S.Y.
Okeiyi, Use of quick and hydrated lime in stabilization of lateritic soil: comparative analysis of laboratory data, Int J Geo-Engineering., 8(1), (2017) 1-13. doi: 10.1186/s40703-017-0041-3
Duduyemi, Cement stabilized structural foundation lateritic soil with bone ash powder as additive, Arid Zo J Eng Technol Environ., 15(2), (2019) 479 - 487
Table 1.
References [1] S.Y.
Okeiyi, Use of quick and hydrated lime in stabilization of lateritic soil: comparative analysis of laboratory data, Int J Geo-Engineering., 8(1), (2017) 1-13. doi: 10.1186/s40703-017-0041-3
Duduyemi, Cement stabilized structural foundation lateritic soil with bone ash powder as additive, Arid Zo J Eng Technol Environ., 15(2), (2019) 479 - 487
Online since: January 2012
Authors: James C. Williams, Dipankar Banerjee, Adam L. Pilchak
The Cast Structure
A typical phase diagram associated with engineering titanium alloys is shown in Figure 1 along with a broad alloy classification.
Lath Figure 12: a) starting lamellar structure of IMI834 alloy deformed at 950C,10-2s-1 to a strain of 0.4 b) starting lamellar structure of IMI834 alloy deformed at 1000C,10-3s-1 to a strain of 0.4 [44].
References 1.
Gogia, Microstructure and texture of rolled and annealed b titanium alloy Ti–10V–4.5Fe–1.5Al, Mater.
Raabe, Texture inhomogeneity in a Ti–Nb-based b-titanium alloy after warm rolling and recrystallization, Materials Science and Engineering A 479 (2008) 236–247. 17.
Lath Figure 12: a) starting lamellar structure of IMI834 alloy deformed at 950C,10-2s-1 to a strain of 0.4 b) starting lamellar structure of IMI834 alloy deformed at 1000C,10-3s-1 to a strain of 0.4 [44].
References 1.
Gogia, Microstructure and texture of rolled and annealed b titanium alloy Ti–10V–4.5Fe–1.5Al, Mater.
Raabe, Texture inhomogeneity in a Ti–Nb-based b-titanium alloy after warm rolling and recrystallization, Materials Science and Engineering A 479 (2008) 236–247. 17.
Online since: August 2022
Authors: Mona G. Ibrahim, Manabu Fujii, Ahmed M. Saqr, Mahmoud Nasr
Fig. 1 Proposed linkages between S-O modeling and SDGs.
References [1] H.
Report, US Army Corps Eng., pp. 1–143, 1997
J., vol. 41, no. 1, pp. 1–16, 2016, doi: 10.21608/bfemu.2020.99368
Hydrol., vol. 479, pp. 13–23, 2013, doi: 10.1016/j.jhydrol.2012.10.050
References [1] H.
Report, US Army Corps Eng., pp. 1–143, 1997
J., vol. 41, no. 1, pp. 1–16, 2016, doi: 10.21608/bfemu.2020.99368
Hydrol., vol. 479, pp. 13–23, 2013, doi: 10.1016/j.jhydrol.2012.10.050
Online since: March 2008
Authors: Jim Nakos, Joe Shepard
References
[1] B.
Wittkower: Rapid Thermal Processing using a Continuous Heat Source, 1 st Int.
Vol. 39, No. 1-2 (1995), pp. 167-188
Muitani: Thermal Stability of Titanium Silicide thin films, Conference Proceedings - VLSI and Computers: First International Conference on Computer Technology Systems and Applications, IEEE (1987), pp. 470-479
Rapid Thermal Processing Conference RTP'93, Scottsdale, AZ, ISBN 0- 9638251-1-9 (1993), pp. 43-59
Wittkower: Rapid Thermal Processing using a Continuous Heat Source, 1 st Int.
Vol. 39, No. 1-2 (1995), pp. 167-188
Muitani: Thermal Stability of Titanium Silicide thin films, Conference Proceedings - VLSI and Computers: First International Conference on Computer Technology Systems and Applications, IEEE (1987), pp. 470-479
Rapid Thermal Processing Conference RTP'93, Scottsdale, AZ, ISBN 0- 9638251-1-9 (1993), pp. 43-59