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with falling temperature. Key words: carbon fiber reinforced plastics (CFRP) sheet; square concrete column; stress-strain model  ...J. Cent. South Univ. Technol. (2009) 16: 0835-0840 DOI: 10.1007/s11771-009-0138-8 Square concrete columns strengthened with carbon fiber reinforced plastics sheets at low temperatures MA Qin......
Univ, 2015, 22: 3211–3216. [10] SHAW S, KAMESWARAN P K, SIBANDA P. Homogeneous-heterogeneous reactions in micropolar fluid flow from a permeable stretching or shrinking sheet in a porous medium [J... of nanofluid over a stretching sheet embedded in a porous medium in the presence of nonlinear thermal radiation [J]. J Nanofluids, 2016, 5: 502–510. [14] TIEN C, CHAO Y. The effect of melting on forced......
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coefficient of the sintered specimens are above 3.0 MPa and 0.47, respectively. The optimum preparation conditions for the steel slag porous sound-absorbing materials are as follows: mass fraction... porous sound-absorbing material prepared by this method could reach more than 50.0% and 0.47, respectively. The compressive strength of the sintered specimens was above 3.0 MPa. 2) The sound......
Mechanism of improving ductility of high strength concrete T-section beam confined by CFRP sheet subjected to flexural loadingWANG Su-yan(王苏岩)1, WANG Ze-yuan(王泽源) 2(1. Faculty of Infrastructure... Office, Dalian 116600, China)Abstract:For the purpose of inventing a new seismic retrofitting method for the reinforced high strength concrete (HSC) T-section beam using carbon fiber reinforced polymer......
Deforming analysis of sheet metal based on stereo vision and coordinate gridHongqin Wei, Dehong Yu, Xueyu Ruan, and Youqing Wang Department of Plasticity Technology, Shanghai Jiaotong University... based on stereo vision technology is introduced to analyze sheet metal deformation. By measuring the deformed circle grids that are printed on the sheet surface before forming, the strain distribution......
Prediction and determination of both friction coefficient and forming force on sheet metal deep-drawingJunxiang Lei, Yonglin Kang, and Fangqin QuUniversity of Shanghai for Science and Technology... of the criterion of no-wrinkle, the principle and method of prediction and determination of both friction coefficient and forming force on sheet metal deep-drawing are put forward, and proved it’s......
pressed by applying 250 MPa and sintered in a vacuum furnace with a vacuum of 2.0×10-3 Pa. And then, the compacted powders were heated for 4 h at 1100 °C. Three groups of the porous FeAl...Trans. Nonferrous Met. Soc. China 30(2020) 2757-2763 Effects of porosity on tensile mechanical properties of porous FeAl intermetallics Shu-lan SU1,2, Qiu-hua RAO1, Yue-hui HE3, Wei XIE3 1. School......
the latter can not. The results indicate that the mathematical relationship from the present model is in good agreement with the practical data. Key words: foamed metal; metallic foam; porous material...]. Beijing: Metallurgical Industry Press, 1997. 382-386. [5]汤慧萍, 张正德. 金属多孔材料发展现状[J]. 稀有金属材料与工程, 1997, 26(1): 1-6. TANG Hui-ping, ZHANG Zheng-de. Developmental states of porous metal materials[J]. Rare......
]. The average size of HA was 2.37 μm. Specific chemical contents of commercially available FeCrAl fibers (Huitong Metal Fiber Co. Ltd., China) of 22 and 12 μm in diameter are shown in Table 1. Prior... were obtained as toughening phase. The relationship between the bending strength of the sintered samples and the volume fraction of the FeCrAl fiber is shown in Fig. 6. For FeCrAl fibers with different......