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Liu, Y.,Bian, X.,Zhang, K.,Yang, C.,Feng, L.,Kim, H.S.,Guo, J. BUTTERWORTH - HEINEMANN 2014 MATERIALS AND DESIGN Vol.64 No.-
A new composite processing technology characterized by hot-dip Zn-Al alloy process was developed to achieve a sound metallurgical bonding between Al-7wt% Si alloy (or pure Al) castings and low-carbon steel inserts, and the variations of microstructure and property of the bonding zone were investigated under high-pressure torsion (HPT). During hot-dipping in a Zn-2.2wt% Al alloy bath, a thick Al<SUB>5</SUB>Fe<SUB>2</SUB>Zn<SUB>x</SUB> phase layer was formed on the steel surface and retarded the formation of Fe-Zn compound layers, resulting in the formation of a dispersed Al<SUB>3</SUB>FeZn<SUB>x</SUB> phase in zinc coating. During the composite casting process, complex interface reactions were observed for the Al-Fe-Si-Zn (or Al-Fe-Zn) phases formation in the interfacial bonding zone of Al-Si alloy (or Al)/galvanized steel reaction couple. In addition, the results show that the HPT process generates a number of cracks in the Al-Fe phase layers (consisting of Al<SUB>5</SUB>Fe<SUB>2</SUB> and Al<SUB>3</SUB>Fe phases) of the Al/aluminized steel interface. Unexpectedly, the Al/galvanized steel interface zone shows a good plastic property. Beside the Al/galvanized steel interface zone, the microhardnesses of both the interface zone and substrates increased after the HPT process.
Radiative decay of theψ(2S)into two pseudoscalar mesons
Bai, J. Z.,Ban, Y.,Bian, J. G.,Blum, I.,Chen, A. D.,Chen, G. P.,Chen, H. F.,Chen, H. S.,Chen, J.,Chen, J. C.,Chen, X. D.,Chen, Y.,Chen, Y. B.,Cheng, B. S.,Choi, J. B.,Cui, X. Z.,Ding, H. L.,Dong, L. Y American Physical Society 2003 Physical review. D, Particles and fields Vol.67 No.3
Kim, J.T.,Hong, S.H.,Kim, Y.S.,Park, H.J.,Maity, T.,Chawake, N.,Bian, X.L.,Sarac, B.,Park, J.M.,Prashanth, K.G.,Park, J.Y.,Eckert, J.,Kim, K.B. Elsevier 2018 Materials science & engineering. properties, micro Vol.735 No.-
<P><B>Abstract</B></P> <P>Investigation of the microstructural features and mechanical properties of the Al<SUB>86</SUB>Cu<SUB>7</SUB>Si<SUB>7</SUB> nanostructure-dendrite composite revealed that the high yield strength of 615 MPa and its reasonable plasticity of ~ 20% at room temperature mainly originate from the evolution of dislocations in the micron-scale dendrites together with the cooperative deformation action of shear band and interfacial sliding throughout the whole volume of the material. Especially, shear band-induced rotation of dendrites was found to be an important deformation mechanism. Here, we sequentially elucidate the deformation behavior using atomic force microscopy, nanoindentation, and scanning electron microscopy to determine the surface topography of the deformed alloy.</P>