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Online since: April 2013
Authors: Han Fu, Ming Luo, Shu Zhong Wang
Proximate analysis and ultimate analysis of materials are listed in Table 1.
Table4 Combustion property of samples Samples 1# 2# 3# 4# 5# 6# (dw/dt)max/[mg·min-1] 1.7 0.9 1.1 1.1 1.4 1.2 Tmax/[℃] 408 534 541 538 469 479 Cb/×10-6 18.2 4.5 6.5 6.0 13.3 11.5 G/×10-6 13.6 3.8 5.0 5.1 8.0 7.9 Flammability index Cb and Steady-flammability index G are shown in Table 4.The index Cb of YC and OWL are 18.167×10-6 and 4.503×10-6.
As shown in the Table 4, the maximum mass loss rate of the coal samples is 1.69mg/min.
Journal of North China Electric Power, (2007) 7(1) 9-10
Journal of Boiler Technology, (2007) 38(1) 74-78
Table4 Combustion property of samples Samples 1# 2# 3# 4# 5# 6# (dw/dt)max/[mg·min-1] 1.7 0.9 1.1 1.1 1.4 1.2 Tmax/[℃] 408 534 541 538 469 479 Cb/×10-6 18.2 4.5 6.5 6.0 13.3 11.5 G/×10-6 13.6 3.8 5.0 5.1 8.0 7.9 Flammability index Cb and Steady-flammability index G are shown in Table 4.The index Cb of YC and OWL are 18.167×10-6 and 4.503×10-6.
As shown in the Table 4, the maximum mass loss rate of the coal samples is 1.69mg/min.
Journal of North China Electric Power, (2007) 7(1) 9-10
Journal of Boiler Technology, (2007) 38(1) 74-78
Online since: April 2021
Authors: Muhammad Taufik, Aris Doyan, Susilawati Susilawati
(a)
(b)
(c)
(d)
(e)
Figure 1.
References [1] A.
Sarma, Applied Surface Science, (479), 786-795 (2019)
Hakim, Journal of Research in Science Education, 6 (1), 1-4 (2019)
Journal of Physics: Conference Series, 1397, 1-8 (2019)
References [1] A.
Sarma, Applied Surface Science, (479), 786-795 (2019)
Hakim, Journal of Research in Science Education, 6 (1), 1-4 (2019)
Journal of Physics: Conference Series, 1397, 1-8 (2019)
Online since: March 2013
Authors: Kunio Funami, Masafumi Noda, Naoto Sakai, Hisashi Mori, Kenji Fujino
Influence of Grain Size on Mechanical Properties of AZX311 Alloy
Naoto Sakai1,a, Kunio Funami2,b, Masafumi Noda2,c,
Hisashi Mori3,d and Kenji Fujino4,e
1Graduate School of Engineering, Chiba Institute of Technology, 2-17-1, Tsudanuma, Narashino, Chiba 275-0016, Japan
2Department of Mechanical Science and Engineering, Chiba Institute of Technology,
2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan
3Railway Technical Research Institute, 2-8-38, Hikari-machi, Kokubunji 185-8540, Japan
4East Japan Railway Company, 2-479, Nishin-chyo, Kita-ku, Saitama 331-8513, Japan
as0821155AA@it-chiba.ac.jp, bfunami.kunio@it-chiba.ac.jp, cmasafumi.noda@it-chiba.ac.jp, dforest@rtri.or.jp, ek-fujino@jreast.co.jp,
Keywords: magnesium alloy, flame retardant, grain refinement, plastic deformation, annealing, microstructure, Al2Ca compound.
The rolling process was performed using a 3-pass schedule (3 mm→2.4 mm→1.6 mm→1 mm) at 493 K without reheating and at a rolling speed of 83 mm s–1.
Tensile tests were carried out at an initial strain rate of 4.2 × 10–4 s–1 at room temperature.
Fig. 1 Grain size of the Al2Ca compounds and α-Mg phase in the as-received and as-rolled alloys.
References [1] W.
The rolling process was performed using a 3-pass schedule (3 mm→2.4 mm→1.6 mm→1 mm) at 493 K without reheating and at a rolling speed of 83 mm s–1.
Tensile tests were carried out at an initial strain rate of 4.2 × 10–4 s–1 at room temperature.
Fig. 1 Grain size of the Al2Ca compounds and α-Mg phase in the as-received and as-rolled alloys.
References [1] W.
Online since: February 2011
Authors: Lai Fei Cheng, Qiao Mu Liu, Li Tong Zhang, Zhi Xin Meng
The reduced ZrCl4 or zirconium dissolve into the organic droplets ((3) and (3)’ in Fig.1), then react with them to form ZrC [13, 14, 16] ((4) in Fig.1).
At 1200oC, the average droplet size is about 1~2μm.
Eq.(1) is independent of the Eq.(2).
References [1] K.
Tsao: Thin Solid Films Vol. 479 (2005), p. 130
At 1200oC, the average droplet size is about 1~2μm.
Eq.(1) is independent of the Eq.(2).
References [1] K.
Tsao: Thin Solid Films Vol. 479 (2005), p. 130
Online since: June 2010
Authors: Mitsuo Niinomi, Ming Jen Tan, Toshikazu Akahori, Syed Fida Hassan
Fig. 1 Effects of varying temperatures against elongation-to-failure percentages for
Ti-29Nb-13Ta-4.6Zr biomaterial.
Table 1 Calculated m values for different stain rates.
References [1] M.
Bahavior of Biomedical Materials, Vol.1 (1), (2008), p.30
Forum, Vols.475-479, (2005), p.2299.
Table 1 Calculated m values for different stain rates.
References [1] M.
Bahavior of Biomedical Materials, Vol.1 (1), (2008), p.30
Forum, Vols.475-479, (2005), p.2299.
Online since: May 2012
Authors: Ion Dumitru, Nicolae Faur, Cristian Sorin Nes, Lorand Kun
This shaft is machined from 41Cr4 steel, has a worm wheel and sits on two bearings, as shown in Fig. 1.
References [1] I.
Kun, On the multiaxial high cycle fatigue damage parameters, Bulletin of the Petroleum-Gas University of Ploiesti, Romania, Technical Series, LXIII, (2011) 1, 117-126 [2] L.
Sound and Vibration, Vol. 308 (2007), 3-5, 479-488 [5] I.
Numerical Methods in Eng., 10 (1976), 1, 25–37 [9] I.
References [1] I.
Kun, On the multiaxial high cycle fatigue damage parameters, Bulletin of the Petroleum-Gas University of Ploiesti, Romania, Technical Series, LXIII, (2011) 1, 117-126 [2] L.
Sound and Vibration, Vol. 308 (2007), 3-5, 479-488 [5] I.
Numerical Methods in Eng., 10 (1976), 1, 25–37 [9] I.
Online since: September 2013
Authors: Jian Zheng Wei, Hui Feng Tan, Wen Ting Zhang, Rui Qiang Ma
The spacecraft mainly validates a new kind of return-reentry deceleration technique, namely inflatable reentry technique[1].
Table 1 shows aerodynamic drag for the three different cone angles.
Its value is 47.96KN, which is lower nearly 1.44KN than the aerodynamic drag of the cone angle of 75 degree.
So temperature with the cone angle of 90o compared to other temperature is low at the 1/9 resistance surface.
Its cone angle of 75 degrees, 90 degrees and 105 degrees aerodynamic drag were analyzed respectively, and we got their values of 479.6KN, 465.2KN and 481.7KN when the IMAs speed at Mach 1.
Table 1 shows aerodynamic drag for the three different cone angles.
Its value is 47.96KN, which is lower nearly 1.44KN than the aerodynamic drag of the cone angle of 75 degree.
So temperature with the cone angle of 90o compared to other temperature is low at the 1/9 resistance surface.
Its cone angle of 75 degrees, 90 degrees and 105 degrees aerodynamic drag were analyzed respectively, and we got their values of 479.6KN, 465.2KN and 481.7KN when the IMAs speed at Mach 1.