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Online since: January 2021
Authors: Zhi Guo Gao
Weld metal cracking in laser beam welded single crystal nickel-based superalloy, Materials Sciences and Technology, Vol.25(1) (2009), 68-75
Solutal partition coefficients in nickel-based superalloy PWA-1480, Materials Science and Engineering A, 141(1991),1-2
Grain structure development in directional solidification of nickel-based superalloys, Materials Science and Engineering A, 374(2004),270-279
Microscale simulation of stray grain formation in investment cast turbine blades, Materials Science and Engineering A, 386(2004),129-139
Prediction of a process window for investment casting of dendritic single crystals, Materials Science and Engineering A, 237(1997),35-42
Online since: July 2014
Authors: S.J. Dhoble, N. Thejokalyani
Materials for Different Layers of OLEDs 8.7.
However, degradation of OLED materials has limited the use of these materials. 8.1.
Materials for Different Layers of OLEDs.
Emissive materials with superior electron mobilities consume low power.
The complexity in fabricating organic materials is still challenging.
Online since: July 2019
Authors: Aline C. de Oliveira, Kátia Regina Cardoso, Carlos Alberto Souto, Gustavo Faria Melo da Silva, Laura Angelica Ardila Rodriguez
HEAs are been considered as a new generation of optional coating materials.
Chiba, First demonstration of promising selective electron beam melting method for utilizing high-entropy alloys as engineering materials, Mater.
Journal of Alloys and Compounds 648 (2015) 751-758
Kannatey-Asibu, Principles of Laser Materials Processing, vol. 4.
Liaw, Effects of Constituent Elements and Fabrication Methods on Mechanical Behavior of High-Entropy Alloys: A Review, Metallurgical and Materials Transactions A 50 (2019) 1-28
Online since: February 2013
Authors: Xing Gang Li, Juan Qu, Ming Long Ma, Yong Jun Li, Kui Zhang
Experimental materials and methods Experimental materials are from the large of EW75 magnesium alloy sheet.
Materials Science and engineering A, 2007, 456(1-2): 78-84
Materials transactions, 2001, 42(7):1206-1211
Materials Science and Technology, 2005, 21(6): 722-726 [10] Jianmin Zhang, Zefei Ma, Baohong Zhang.
Journal of alloys and compounds, 2009, 481: 379-384.
Online since: May 2015
Authors: Jacek Snamina, Mateusz Romaszko
Authors of paper [1] studied the modeling of such structures and the use of damping materials placed in sandwich structures to reduce vibrations.
Rakheja, Vibration analysis of a multi-layer beam ontaining magnetorheological fluid, Smart Materials and Structures 19 (2010) 015013 12pp
[5] Vasudevan Rajamohan, Subhash Rakheja, Ramin Sedaghati, Vibration analysis of a partially treated multi-layer beam with magnetorheological fluid, Journal of Sound and Vibration 329 (2010) 3451–3469 [6] Melek Yalcintas, Heming Dai, Performance comparison of magnetorheological and electrorheological materials in adaptive structural applications, Adaptive Structures and Materials Systems, AD-Vol.57/MD-Vol.83, ASME 1998 [7] Melek Yalcintas, Heming Dai, Magnetorheological and electrorheological materials in adaptive structures and their performance comparison, Smart Mater.
Zhu, „The response time of a magnetorheological fluid squeeze film damper rotor system,” Key Engineering Materials, tom 334/335, pp. 1085-1088, 2007
Eriksson, „Analysis of the optimal design strategy of a magnetorheological smart structure,” Smart Materials and Structures, tom 17, 2008
Online since: August 2005
Authors: Andrey A. Toropov, Byoung Kee Kim, S.L. Ko
The investigated mechanisms of burr formation are probably common for all materials which plastic properties are similar to those of aluminum alloy Al6061-T6.
For rather brittle materials, the considered burr formation mechanisms might not be applicable since the deformations occurred in burr formation should lead to the brittle failure of the burr.
Acknowledgment This work was supported by the Ministry of Science and Technology of Korea through the 2001 National Research Laboratory (NRL) program.
Lee: Journal of Materials Processing Technology 113 (2001) 392-398
Kachanov: Fundamentals of the Theory of Plasticity (in Russian) (Science, Moscow 1969).
Online since: October 2010
Authors: Yun Cai Zhao, Dong Ling Yu
When it is rubbed with other materials, it shows low friction coefficient, and demonstrates its self-lubricating property.
MoS2 lubricant is uniformly distributed on the Ni60A alloy matrix material.
Ceramic material tends to be elastic contact.
The maximum tensile stress along the contact area is: (2) In the formula, u is the coefficient of friction, υis the poisson ratio of the ceramic materials.
Cem Okumus and Salim Aslanlar: Materials & Design,  In Press, Corrected Proof, Available online, Vol. 27 (2006), p.226 [3] Wang H Dou, Xu B S, Liu J J, et al: Materials Characterization, Vol. 55 (2005), p.43(In Chinese) [4] Donnet C, Erdemirb A: Surface and Coatings Technology, Vol. 180-181 (2004), p.76 [5] Anachi K, Cho U, Sinha S, Kato Kojl: Tribology Transactions, Vol. 44 (2001), p.41 [6] Vanhulsel A, Velasco F, Jacobs R: Tribology International, Vol. 40 (2007), p.1186 [7] Xiao H B, Zhang Y Z, Chen Y: Thermal processing technology, Vol. 10 (2004), p. 11(In Chinese) [8] Xua J, Zhua MH, Zhoua ZR: Wear, Vol. 255 (2003), p.253 [9] Zhao Y C, Liu Y, Zhang Z W: Journal of Henan University of Science and Technolgy, Vol. 29 (2008), p.1(In Chinese) [10] Cao T K: Doctoral Thesis, Shan dong University, 2005.4(In Chinese).
Online since: October 2012
Authors: Zhong Qiang Wang, Tao Ouyang
Test research on behavior and spatial finite element analysis of equal section catenary double empty arch bridge Zhongqiang Wanga, Tao Ouyangb School of Civil Engineering and Architecture,Changsha University of Science & technology, Changsha, Hunan, 410114, China a244949212@qq.com, b805679051@qq.com Keywords: double arch bridge; behavior; load test; spatial finite element method Abstract: Test research on behavior and theoretical analysis were carried out to ensure the in-service safety for the reason of diseases of existing double arch bridges[5]~[6].
Introduction Double arch bridge have the trait of beautiful in appearance, material savings, fast construction schedule and project cost is low, it has been spread rapidly and applications in our country since the 1960s, but because of the restriction conditions during building, existing double arch bridge in China have common characteristic that the lower design level and standard load, the construction quality is poor.
Spandrel wall with brick masonry, fill light fines material, do linoleum waterproof layer of asphalt concrete pavement, The width of the bridge deck is 6.9m, the lower part is mortar rubble U-shaped abutment masonry gravity piers, non-navigable, The design load steam-15, hanging-80[1]~[2], bridge facades and cross section is shown in Fig. 1.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (50078007), Postdoctoral Foundation of China (20090451111), Natural Science Foundation of Hunan Province(08jj3107), Youth Foundation of Hunan Provincial Education Department(10B001) and Open Foundation Engineering Research Center(kfj090301).
Journal of Wuhan university, 2005, 38 (5) : 88 ~ 93.
Online since: May 2012
Authors: Xin Sheng Zhao, Wen Qing Liang, Ji Jun Tian, Xue Hai Fu
Lignite wax is characterized by high melting point, hardness, brittle, conchoidal fractures, temperature resistance, good chemical stability and mechanical strength, bright surface and low conductivity, and it can be melted into uniform cerate with other wax and some synthetic materials.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (40872104) and the National Basic Research Program of China (No. 2009CB219605).
Journal of Harbin University of Science and Technology, 1988, (3):120-123
Beijing: Science Press, 1999
Online since: August 2014
Authors: Xin Rui Ding, Yu Ji Li, Zong Tao Li, Yong Tang, Bin Hai Yu, Dong Yuan
Fig. 1: Part sectioned view of the three aluminum heat sink structures Table 1 Material properties Material Heat capacity Cp(J/kg·°C) Thermal conductivity k(W/m·°C) Density ρ(kg/m3) Air 1005.585 2.643×10-5 Base ideal gas law Heat sink 2800 193 2700 Heat pipe / 8000 / Fig. 2 shows the experimental set up.
Acknowledgments This work is financially supported by the Natural Science Foundation of Guangdong province, No.
S2012030006231, the National Natural Science Foundation of China, No. 51375177.
Gu, Narendran, Nadarajah, A noncontact method for determining junction temperature of phosphor-converted white LEDs, in: Optical Science and Technology, SPIE's 48th Annual Meeting, International Society for Optics and Photonics, 2004, pp. 107-114
Rohsenow, Thermally optimum spacing of vertical, natural convection cooled, parallel plates, Journal of Heat Transfer, 106 (1984) 116-123.
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