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Online since: June 2018
Authors: Reinhold Schörner, Roland Rupp, Rolf Gerlach, Rudolf Elpelt, Mihai Draghici
Rupp et al., “Combination of new generation CoolMOS and thinQ!
Nakamura et al., “High performance SiC trench devices with ultra-low Ron”, IEEE IEDM Tech.
Draghici et al., “A new SiC diode with significantly reduced threshold voltage”, Proc.
Stöber et al., “Impact of sputter deposition parameters on molybdenum nitride thin film properties,” J.
El.
Online since: November 2005
Authors: Nobusuke Hattori, Shinichi Nishida, Masahiro Hara, Sun Young Son
Table 1 Chemical composition [mass%] Al V Fe O C N H 6.1 4.2 0.15 0.14 0.011 0.010 0.0043 Table 2 Mechanical properties σ 0.2MPa σ BMPa El% RA% 920 980 15 28 Table 3 Conditions of specimens Chamfer Specimen type Hole diameter [mm] Method Value δ [mm] PLA - - - Non-pressed specimen NP 1 Non-chamfer - P0.2 1 Die press working 0.2 Pressed specimen P0.5 1 Die press working 0.5 Fig.1 Micro structure of the cross section of the specimen 100μm Axial direction 2.5 δ φ 8 φ 6 φ 1 120° R12 20 20 20 C0.5 60 Fig.2 Shape and dimension of specimen Results and Discussion Fatigue strength.
Kusamichi et al.: Titanium and its applications (1983) [3] S.
Online since: September 2016
Authors: A. Chrysanthou, M.A. Mohin, Y.G. Xu, A. Lewis
Table 1 Chemical compositions of Al 6082A-T651.
Alloy Al Si Fe Cu Mn Cr Mg Zn Ti 6082A-T651 Bal 0.7-1.3 0.50 max 0.10 max 0.40-1.00 0.25 max 0.06-0.120 0.20 max 0.10 max Table 2 Mechanical properties of Al 6082A-T651.
[4] Newman Jr, J.C., E.L.
[5] Antunes, F.V., et al. (2015), A numerical study of plasticity induced crack closure under plane strain conditions, International Journal of Fatigue, vol.71, p.75-86
[8] Xu, Y., et al. (2012), Load sequence effect on fatigue damage, Key Engineering Materials, vol.488, p.545-8
Online since: May 2005
Authors: Roberta Nipoti, Mihai Lazar, Francesco Moscatelli, Andrea Scorzoni, Antonella Poggi, Mara Bruzzi, Stefano Lagomarsino, Stefano Mersi, Silvio Sciortino, Annalisa Di Placido
Nava, et al., IEEE Transactions on Nuclear Science, Vol. 51, No. 1 (February, 2004)
Gao, et el., Nucl.
Lebedev et al., Mater.
Nava et. al., Nuclear Instruments and Methods in Physics Research A, 510 (2003) 273-280
Raynaud et al., Mater.
Online since: March 2014
Authors: Zhi Jian Peng, Dian Zhong Wu, Xiu Li Fu, Jing Wen Qian
Strano, et al, Nanostructured tungsten oxide–properties, synthesis, and applications, Adv.
[4] E.L.
Cole, et al, Low-temperature reactively sputtered tungsten oxide films for solar-powered water splitting applications, Electrochem.
Yamamoto, et al, Detection of dilute nitrogen dioxide and thickness effect of tungsten oxide thin film sensors, Sensor.
Alperovich, et al, Growth mechanism of MoS2 fullerene-like nanoparticles by gas-phase synthesis, J.
Online since: September 2013
Authors: Fu Lei Huo, Guo Li Zhang, Xiao Fei Ma
Farough M et al. [1] studied vibration analysis and damping characteristics of sandwich cylindrical panel structures.
Idriss et al. [2] investigated the damping analysis in cyclic fatigue loading of sandwich beams with debonding.
Arvin et al. [3] investigated the numerical study of free and forced vibration of composite sandwich beam with viscoelastic core.
Idriss, A.El M and M.A: Composite: Part B, 2013, 44(1):597–603
[6] Dai Gil Lee, et al: Composite Structures, 1999, 102 (4): 507-517.
Online since: December 2012
Authors: Jing Hu, Kai Li, Rui Ma
[2] MA Jun, HAN Tian-xiang, YAO Ming, et al.
[3] XIA Cheng- jun,QIU Gui- hua, HUANG Dong- yan,et al.
[4] El-Foulya T H M, Zeineldinb H H, El-Saadanya E F, et al.
Online since: November 2012
Authors: Antonio Eduardo Martinelli, Ana Cecilia Vieira da Nóbrega, Marcus Antonio de Freitas Melo, Julio Cezar de Oliveira Freitas, Filipe Silva de Oliveira, Dulce Maria de Araújo Melo
Al-Taq, H.A.
Nasr-El-Din, T.A.
Al-Shafei, A New Technique to Enhance Cement Resistance to Mud Acids, in: 8th European Formation Damage Conference, Society of Petroleum Engineers, Scheveningen, The Netherlands, 2009
Nasr-El-Din, Y.A.
Al-Yami, A Study of Acid Cement Reactions Using the Rotating Disk Apparatus, in: International Symposium on Oilfield Chemistry, Society of Petroleum Engineers, Houston, Texas, U.S.A., 2007
Online since: July 2013
Authors: Balbir Singh, B.K. Jha, V. Kumar, S. Ghosal
During VAD treatment the parameters such as temperature, degassing time, tap time, etc. were controlled in the desired range and ferro-alloys such as Fe-Mn, Fe-Cr, Fe-Si, Ni, Al, etc. were added to the liquid steel in required amounts.
Table-2 Chemical composition of steel after VAD treatment (wt.%) C Mn Si Cr Ni Mo S P Al H 0.24 1.32 1.32 0.125 0.21 0.16 0.008 0.014 0.014 1.72 ppm The liquid steel thus made, was cast into a 170 mm x 1160 mm slab of total length 32.6 meters, which was cut in hot condition into 4 pieces of about 8 meter length.
Tensile tests for assessing YS, UTS, %El and %RA were performed on specimens fabricated in the trans-rolling direction of the plates.
Hardening Tempering Temp (°C) Time (mins) Hardness (BHN) Temp (°C) Time (mins) Hardness (BHN) YS (MPa) UTS (MPa) El (%) RA (%) A 930 25 441-468 240 90 469-488 1500 1671 8.5 30 B 910 25 452-478 240 90 472-483 1338 1507 8.3 25 C 880 25 438-474 240 90 467-482 1310 1479 8.3 22 D 895 25 441-468 240 90 472-476 1366 1521 9.4 27 E 910 25 - 240 60 462-480 1297 1459 7.1 28 F 910 25 - 230 90 466-480 1449 1609 8.5 25 It is observed from Table-5 that after tempering, hardness varied in the range of 462-488 BHN, YS 1297-1500 MPa, UTS 1479-1671 MPa, elongation 7.1- 9.4% and reduction in area 22-30%.
Hohannes et al., Steel Res.
Online since: November 2020
Authors: Haruo Kobayashi, Anna Kuwana, Xue Yan Bai, Dan Yao
For example, Roy et al. improved the maximum power coefficient by up to 34.8% compared with the original turbine, by redesigning the curvature of the turbine blade [6].
Jeon et al. twisted the turbine into a helical shape and attached endplates; this improved the output by 36% compared with the original turbine [7].
For example, El-Bazac et al. proposed the installation of three wind turbines in close proximity.
El-Bazac, K.
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