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Online since: February 2019
Authors: A.A. Popkova, G.A. Gadoev, O.V. Bashkov, Tatiana I. Bashkova, Denis B. Solovev
Construction of a Generalized Fatigue Diagram of Metallic Materials O.V.
Materials and Methods of Tests The samples of pure titanium VT1-0 in a various structural state were made in the laboratory of nanostructured biocomposites of the Institute of Strength Physics and Materials Science at the installation equal channel angular pressing (ECAP) at the all-round pressing plant with subsequent rolling.
Ramasubbu, Stages of deformation of polycrystalline materials.
Diagnostics of materials. 10 (2009) 51-57
Moscow, Science. 1984
Online since: December 2011
Authors: Tao Shi, Su Wei, Jia Yan Shen, Qing Ye
Experiment Experimental Materials and Main Physical and Chemical Properties.
Fig.5 The SEM observation of RPC materials Conclusion Through experimental analysis, we can get the following conclusions: (1) In this experiment, the RPC materials contain slag are with high resistance to chloride ion permeability, compact material structure and excellent durability
(3) RPC, whose pore structure is far better than that of other ordinary cement-based materials, is a material with good microstructure.
Tanesi: Journal of Materials in Civil Engineering Vol. 19(2007), p. 848 [3] O.
Dallaire, et al.: Aci Materials Journal Vol. 94(1997), p. 286 [4] P.
Online since: October 2012
Authors: Yan Li Jiang, Mei Tian, Jia Yao Liu, Li Juan Yang, Rui Hai Cui
Intorduction ZnO is a very important wide bandgap semiconductor materials, with a direct bandgap of 3.37 eV at room temperature, a high exciton binding energy of 60 meV, excellent chemical and thermal stability and its specific electrical and optoelectronic property[1].
The principle of Sol-Gel method is mainly hydrolysis and condensation reaction of raw materials.
Experimental Materials and instruments.
Acknowledgement This work was supported by the Creative Talent Fund of Harbin Municipal Science and Technology (No. 2010RFQXG019)..
Radosz, Zn0 schottky ultraviolet photodetecors, Journal of Crystal Growth, 215(3) (2001) 110-113
Online since: October 2010
Authors: Xue Wei, Teng Gai, Li Ming Feng
Influence of Carbon Nanotubes on the Performances of LiFePO4 Liming Feng 1,a, Teng Gai 1,b, Xue Wei 1,c 1School of Materials Science and Engineering,Shandong Jianzhu University,Jinan 250101,China aflm@sdjzu.edu.cn, bgaiteng666@163.com,cwxwfc@126.com Key words: LiFePO4, Carbon nanotubes, Lithium battery.
But using CNTS to modify LiFePO4 materials is seldom reported at home and abroad.
Experiment Methods Experiment materials.
Materials Letters, Vol.61, no25, 4700-4702, 2007
Chinese Journal of Inorganic Chemistry.
Online since: December 2013
Authors: Qi Cheng Feng, Shao Jun Bai, Shu Ming Wen, Chao Lv, Xu Bai
Introduction Iron ore is the main raw material of Iron and Steel Industry.
Experimental Materials The iron ore was from Huiming, Yunnan province, according to the research on the characteristics of the technological mineralogy, the grade of the Fe is about 30%, and 22.5% is existed in the formation of silicate iron.
International Journal of Minerals, Metallurgy and Materials.
International Journal of Engineering Science and Technology.
Journal of Central South University (Science and Technology. vol.42 (2011), p. 3638-3643 [5] Bai Shaojun, Lv Chao and Wen Shuming: Effects of sodium carbonate on the carbothermic reduction of siderite ore with high phosphorus content.
Online since: August 2013
Authors: Thomas Rainer Neitzert, Maziar Ramezani
The pipe material is steel and the true stress–true strain curves were obtained from tensile experiments and plastic material properties are included, with nonlinear isotropic strain hardening.
Materials Science and Engineering A 540 , pp. 70-82
International Journal of Pressure Vessels and Piping 81 (2) , pp. 127-139
International Journal of Mechanical Sciences 47 (12) , pp. 1949-1971
International Journal of Solids and Structures 44 (2) , pp. 399-418
Online since: September 2013
Authors: Zhen Shan Cui, Chun Li Zhang, Da Shan Sui
Results indicate that processing with bar-stock as the blank will be better than that with stepped shafts in case of forming quality and volume of raw material, but requires larger forming force.
Most of the domestic enterprises take modular, semi-modular approaches and the crank and the journal are forged respectively.
Fig.1 Schematic diagram of full-grain-flow forging process 1.Crank throw 2.Crank journal 3.Main journal Characterized by continuous fiber and a reasonable distribution of the crankshaft, full fiber upset-bending forging technology greatly improves the crankshaft fatigue strength, increases metal utilization, reduces production cost, and is superior to freedom forging.
Among them, TR upset-bending forging process has been extensively used in making heavy crankshaft at home and abroad, because the continuous grain flow upset-bending process improve significantly the fatigue, material usage and machining productivity.
Taiyuan Science and Technology University (Dissertation, P.R.C, 2008) [5] Shijia Chen: Study on Characteristics of Heavy Forging Material 30Cr2Ni4MoV Steel in Hot Deformation.
Online since: December 2012
Authors: Xiao Xu Fan, Lei Zhe Chu, Guang Yao Ma, Li Guo Yang
Biomass was fed into the furnace by a fuel screw feeder with the angle of 30 °up for seal and bed materials were fed into the furnace by sand screw feeder.
Sand was used as bed material with particle 0 ~ 1 mm ( shown in Table 3).
Journal of Chinese electrical engineering.
Journal of solar energy.
CHINA SCIENCE & TECHNOLOGY INDUSTRY.
Online since: June 2022
Authors: Tadahiro Wada
Journal of Refractory Metals and Hard Materials, 50, 2015, pp. 1-8
Mathew, On machining of hardened AISI D2 steel with PCBN tools, Journal of Materials Processing Technology, 171, 2006, pp. 244-252
Bonney, Effect of high-pressure coolant supply when machining nickel-base, Inconel 718, alloy with coated carbide tools, Journal of Materials Process Technology, 152-154, 2004, pp. 1045-1050
[12] E.O Ezugwu, J Bonney,Y Yamane, An overview of the machinability of aeroengine alloys, Journal of Materials Processing Technology, 134(2), 2003, pp. 233-253
Ezugwu, High speed machining of aero-engine alloys, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 26(1), 2004, pp. 1-11.
Online since: December 2015
Authors: C. Chi, W.O. Soboyejo, G. Etuk-Udo, S.O. Dozie-Nwachukwu, Karen Malatesta, Nicolas Anuku, O.S. Odusanya, J.D. Obayemi
Soboyejo1,4,6 1Department of Materials Science and Engineering, African University of Science and Technology (AUST) Abuja-Nigeria 2Biotechnology and Genetic Engineering Advanced Laboratory, Sheda Science and Technology Complex (SHESTCO) P.M.B 186, Garki, Abuja, Nigeria 3Department of Materials Science and Engineering, Malete, Kwara State University, Nigeria. 4Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544, USA. 5Department of Chemistry, Bronx Community College, New York, NY, USA. 6Princeton Institute of Science and Technology of Materials (PRISM), Bowen Hall, 70 Prospect Street, Princeton, NJ 08544, USA.
They were then mounted in a CM100 Transmission Electron Microscope at the Princeton Institute of Science and Technology of Materials (PRISM) at Princeton University, New Jersey, USA.
The results show clear and predominant evidence of gold peaks, although peaks corresponding to some of the materials used in the reactions were also observed.
The waste materials associated with the biosynthesis of gold nanoparticles are relatively benign, compared to those associated with chemical synthesis.
Materials Letters 61, (2007) 3984–3987