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Online since: August 2014
Authors: Norainiza Saud, Zawawi Mahim, Nurul Razliana Abdul Razak
SiC and Al particles were added to Sn-0.7Cu powder during the mixing process.
Processing The development of Sn-0.7Cu-Al-SiC was carried out using powder metallurgy technique (PM).
Al that has a good toughness also becomes the factor of the hardness increased.
[6] A.A El-Daly, G.S.
Al Ganainy, A.Fawzy, and M.J.Younis (2013)..
Online since: April 2013
Authors: Mohsen Marani Barzani, Ali Davoudinejad, Mohd Yusof Noordin, Saaed Farahany, Ali Akhavan Farid
The results showed that Sb-treated Al-11%Si alloys have poor surface roughness in comparison to untreated Al-11%Si alloy.
Studies on the turning of Al-Si alloy have been performed by various researchers.
Another material investigated is the 0.5 wt.% Sb treated Al-11%Si alloy.
Figure 1(a), (b) and (c) show that Sb-treated Al-11%Si alloys have poor surface roughness when compared to untreated Al-11%Si alloy at all conditions.
El-Gallab a, "Machining of Al:SiC particulate metal matrix composites Part II: Workpiece surface integrity," journal of materials technology, vol. 83, pp. 277-285, 1997
Online since: September 2016
Authors: Giuseppe Brando, Gianfranco De Matteis
As far as aluminum T-stub connections is concerned, De Matteis et al. [8] investigated for the first time the possibility of extending the provisions given by Eurocode 3 for T-stub also to aluminum joints.
Indeed, another numerical study, carried out more recently by De Matteis et al. [13], put into evidence some shortages related to the above formulations.
Experimental and numerical studies on a welded specimens made of the EN AW 6082-T6 alloy were carried out and the elastic strength Fcwt,el, expressed in Eq. 4 as a function of the effective length beff,el given in Eq. 5, was provided.
The above equation results by the assumption of a linear distribution of the tensile stresses, through the column web, characterized by a 1.7:1 slope that is lower than the one generally assumed for steel (2.5:1), according to the formulation provided by Eurocode 3, which derives from the studies carried out by Aribert et al. in 1981 [7].
Online since: October 2017
Authors: Jariah Mohd Juoi, Zulkifli Mohd Rosli, Nur Dalilah Johari, Muharniza Azinita Musa
Tran et al., for an example, found that brookite possessed high photocatalytic capacities for the degradation of different hazardous compounds under sunlight equivalent conditions [2].
Yu et al. [5] studied the effect of acidic and basic hydrolysis on the microstructures of titania.
However, Zheng et al [6] synthesized brookite nanocrystallites using Ti(SO4)2 or TiCl4 as the precursor with hydrothermal treatment method by controlling pH values and the reaction temperature.
El Hichou, A.
El Hamidi, M.
Online since: January 2010
Authors: Dun Wen Zuo, Wen Zhuang Lu, Jing Kang, Yu Li Sun, Yu Fei Zhao
This is because convective coefficient is small at low rotation speed. 0 5 10 15 20 0 5 10 15 20 25 T hi c kn es s o f m el t in g/ m m Ambient temperature/℃ 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 2 4 6 8 10 12 14 T h ic k n es s o f m e lt i ng / mm Press/Mpa 14 16 18 20 22 24 26 28 30 32 0 2 4 6 8 10 12 14 16 18 20 Th ick ne ss of me lti ng /mm eccentricity/mm 40 60 80100120140160180200220240260 1 2 3 4 5 6 7 T hi c hn es s o f m el t in g/ m m rotation speed /r/min (a) Ambient Temperature (b) Pressure (c) Eccentricity (d) Rotation speed Fig.7 Influence of parameters to melting rate Conclusion In this paper, the melting rate of the iced fixed-abrasive polishing plate is simulated and it provides theoretical basis and important reference for choosing the parameters of polishing
[3] W.Q.Tao, et al: The heat transfer (Northwestern Polytechnic University Press, Shenyang 2006) [4] B.Bu.Shan, et al: Introduction of Tribology (China Machine Press, Beijing 1996) [5] Y.L.Sun, D.W.Zuo, Y.W.Zhu, et al: Advanced Materials Research Vol.53-54 (2008), p. 167-172 [6] J.Shen, J.Ma and W.Q.Liu: Aerospace Shanghai Vol.4(2002), p. 33-36
Online since: October 2014
Authors: Hai Jun Tian, Cun Yi Song, Zhen Song Tong
Guozhuo et al.
The reasonable layout of internal components can make the flow field and temperature field distribution.Xiao GuojunGuojun et al
[J]Journal of China University of Mining & Technology2010:39(1)104-108 [4]EL-BEHERY S M,,HAMED M H,EL-KADI M A,et al.Prediction of air-solid flowin180°curved duct.
Online since: August 2011
Authors: Hang Gao, B. Wang, Dong Ming Guo, Q. Wen
El-Sonbaty et al. [6] employed conventional high speed twist drills to machine a glass fiber reinforced plastic.
Campos Rubio, et al.: J.
El-Sonbaty, U.A.
Tavares, et al.
Online since: February 2011
Authors: Mou Sheng Song, Mao Wu Ran
The electrolytic alloys (E10 and E14) were directly fabricated by in-situ titanium alloying Al-0.18%Ti alloys which were produced by electrolytic method, while the melting alloys (M10 and M14) were prepared by the traditional route which melted the Al-10%Ti master alloys and pure Al.
Sample Ti-addition methods Ti Si Fe Mg Sr Al E10 by electrolysis 0.105 6.57 0.100 0.380 0.027 Bal.
Obviously, at low , Al(α) matrix at the crack-tips undergoes a severe plastic deformation during the fatigue micro-cracks initiating and then propagating.
El-Gohry: Materials & Design.
Xue, H.El.
Online since: October 2011
Authors: Ru Ma, Yong Wang, Ying Zi Wang, Shou Ren Wang, Li Ying Yang
The Al-10wt.
(a) (b) (d) (c) SiE α-Al SiP (c) Fig.1.
With regards to Al-Si alloys, means that Si atoms tends to segregate.
PSPs are surrounded by α-Al dendrite and Si/Al eutectic phases.
El Sebaie, A.M.
Online since: June 2019
Authors: Qing Xin Li, Dong Liang Ma, Xiao Yu Yang, Yong Dong He
Secondly, titanium reacted with aluminum and graphite, producing Ti-Al,C-Al,Ti-C compounds.
Al:Ti in all regions is close to 3:1, while Al content is slightly higher.
The Al-Ti compounds, C-Al compounds and Ti-C compounds form the matrix of Al-Ti-C mother alloy with refining effect. 2.
Alloy phases include α(Al), Al-Ti compounds, C-Al compounds, Ti-C compounds, etc.
[3] Shash A, Amer A E, El-Mahallawi I S, et al.
Showing 2131 to 2140 of 9913 items