Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Kechang Shen"'
Publikováno v:
Composites Part C: Open Access, Vol 12, Iss , Pp 100386- (2023)
In order to realize the engineering application of automated fiber placement for composite laminates, a method of the variable angle fiber placement was proposed to design the tube structures of variable stiffness composites based on the quadratic Be
Externí odkaz:
https://doaj.org/article/6604aeff4f5544618d59fcc6b0c2354f
Publikováno v:
Materials, Vol 8, Iss 8, Pp 5084-5097 (2015)
The AA6061-T6 aluminum alloy samples including annealed Fe78Si9B13 particles were prepared by friction stir processing (FSP) and investigated by various techniques. The Fe78Si9B13-reinforced particles are uniformly dispersed in the aluminum alloy mat
Externí odkaz:
https://doaj.org/article/6d79b04c7bc24aacabeb9108ea46282b
Autor:
Kechang Shen, Qingtao Gong, Hao Zhang, Kangqiang Li, Zhongyu Sun, Guihua Li, Xin Hu, Lu Liu, Weimin Wang
Publikováno v:
RSC advances. 12(35)
Extruded Au–Cu alloys can be used as bifunctional catalysts for the electro-oxidation of CH3OH and HCOOH, and their catalytic activities can be improved based on alloying and appropriate texture.
Publikováno v:
Journal of Materials Science & Technology. 35:118-126
The structure, crystallization kinetics and magnetic property of as-quenched Fe73.5Si13.5B9Nb3Cu1 amorphous ribbon (R0) as well as ribbons after autoclave treatment at 100 °C and 150 °C (R1 and R2) have been systematically studied by various techni
Autor:
Hui, Xu, Shuai, Liu, Xiaoliang, Pu, Kechang, Shen, Laichang, Zhang, Xiaoguang, Wang, Jingyu, Qin, Weimin, Wang
Publikováno v:
RSC advances. 10(3)
A novel one-step method to prepare the nanocomposites of reduced graphene oxide (RGO)/nanoporous gold (NPG) is realized by chemically dealloying an Al
Publikováno v:
The Journal of Physical Chemistry C. 122:3371-3385
By dealloying a rapidly solidified (RS) Al2Au alloy, nanoporous gold (np-Au) samples with a three-dimensional (3D) interpenetrating ligament-channel structure are fabricated in 0, 0.02, and 0.2 T magnetic fields. Adding magnetic field leads to interm
Autor:
Weimin Wang, Ki Buem Kim, Boxuan Cao, Cungui Jia, Kechang Shen, Lai-Chang Zhang, Jin Wang, Hui Xu
Publikováno v:
Electrochimica Acta. 256:129-138
The catalytic activities of Au(110) and Au(111) electrodes for the electro-oxidation of methanol (CH 3 OH) and formic acid (HCOOH) are compared by the cyclic voltammetry (CV) and density functional theory (DFT) calculations. The experimental results
Publikováno v:
The Journal of Physical Chemistry C. 120:25296-25305
We have prepared nanoporous gold (np-Au) with a three-dimensional (3D) bicontinuous interpenetrating ligament-channel structure by dealloying the melt spun Al2Au ribbon precursors with three different circumferential speeds (Sc). With increasing Sc,
Publikováno v:
International Journal of Minerals, Metallurgy, and Materials. 22:1293-1303
The anisotropy of the microstructure, thermal expansion behavior, corrosion resistance and magnetic properties of AISI 1045 steel was investigated. The distribution of Fe3C lamellae in the investigation plane parallel to the radial directions of mold
Publikováno v:
Journal of Alloys and Compounds. 815:152409
The catalytic activities of Au5-xAgx (x = 0, 1, 2 and 5) alloys for the electro-oxidation of methanol (CH3OH) and formic acid (HCOOH), together with their structure and microhardness, are studied in extruded and annealed states. For the electro-oxida