Search Results - "Ma, S. G."

Morphology Transition from Dendrites to Equiaxed Grains for AlCoCrFeNi High-Entropy Alloys by Copper Mold Casting and Bridgman Solidification by Zhang, Y., Ma, S. G., Qiao, J. W.

“…The AlCoCrFeNi high-entropy alloys (HEAs) were prepared by the copper mold casting and Bridgman solidification. X-ray diffraction (XRD) results verify that the…”
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Damping behavior of AlxCoCrFeNi high-entropy alloys by a dynamic mechanical analyzer by Ma, S.G., Liaw, P.K., Gao, M.C., Qiao, J.W., Wang, Z.H., Zhang, Y.

“…•The Al content is related with structural relaxation and damping capability.•Dynamic modulus is insensitive to the frequency especially for storage…”
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Effect of Nb addition on the microstructure and properties of AlCoCrFeNi high-entropy alloy by Ma, S.G., Zhang, Y.

“…► Two phases (BCC and Laves phases) were found in the prepared AlCoCrFeNb x Ni HEAs. ► The microstructures vary from the hypoeutectic to the hypereutectic. ►…”
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Excellent plasticity of a new Ti-based metallic glass matrix composite upon dynamic loading by Wu, R.F., Jiao, Z.M., Wang, Y.S., Wang, Z., Wang, Z.H., Ma, S.G., Qiao, J.W.

“…Quasi-static and dynamic compressive properties of in-situ Ti60Zr14V12Cu4Be10 bulk metallic glass matrix composites containing ductile dendrites were…”
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Current lifestyle factors that increase risk of T2DM in China by Zhang, N, Du, S M, Ma, G S

“…The Report on the Status of Nutrition and Chronic Diseases of Chinese residents (2015) indicated that the prevalence of diabetes was 9.7% among adults aged ⩾18…”
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NbTaV-(Ti,W) refractory high-entropy alloys: Experiments and modeling by Yao, H.W., Qiao, J.W., Gao, M.C., Hawk, J.A., Ma, S.G., Zhou, H.F., Zhang, Y.

“…This study reports the design and development of ductile and strong refractory single-phase high-entropy alloys (HEAs) for high temperature applications, based…”
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A hexagonal close-packed high-entropy alloy: The effect of entropy by Zhao, Y.J., Qiao, J.W., Ma, S.G., Gao, M.C., Yang, H.J., Chen, M.W., Zhang, Y.

“…The formation of disordered solid solution in the hexagonal close-packed (hcp) structure in the GdHoLaTbY alloy and its mechanical properties were investigated…”
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The fluctuation property of blown sand particles and the wind-sand flow evolution studied by numerical method by Ma, G. S., Zheng, X. J.

“…Sand particles blown by wind cause serious environmental problems and many researchers are trying to understand the dynamic properties of blown sand better…”
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A Successful Synthesis of the CoCrFeNiAl0.3 Single-Crystal, High-Entropy Alloy by Bridgman Solidification by Ma, S. G., Zhang, S. F., Gao, M. C., Liaw, P. K., Zhang, Y.

“…For the first time, a face-centered-cubic, single-crystal CoCrFeNiAl 0.3 (designated as Al0.3), high-entropy alloy (HEA) was successfully synthesized by the…”
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Predicting burst sizes in amorphous alloys during plastic flows by Qiao, J.W., Wang, Z., Jiao, Z.M., Yang, H.J., Ma, S.G., Wang, Z.H., Xu, B.S.

“…Burst sizes in different amorphous alloys are predicted by Δσ=(2lvEρcp(0.8Tg−Tr))/0.9aDsinθ. When the diameter of tested samples is decreased, the burst size…”
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Strain rate effects on the dynamic mechanical properties of the AlCrCuFeNi2 high-entropy alloy by Ma, S.G., Jiao, Z.M., Qiao, J.W., Yang, H.J., Zhang, Y., Wang, Z.H.

“…The AlCrCuFeNi2 high-entropy alloy with a mixed face-centered cubic (FCC) plus body-centered cubic (BCC) structure is investigated. The as-cast sample shows a…”
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Simultaneous enhancement of strength and ductility in a NiCoCrFe high-entropy alloy upon dynamic tension: Micromechanism and constitutive modeling by Zhang, T.W., Ma, S.G., Zhao, D., Wu, Y.C., Zhang, Y., Wang, Z.H., Qiao, J.W.

“…The deformation responses of NiCoCrFe high-entropy alloy (HEA) under quasi-static (1 × 10−4-1 × 10−1/s) and dynamic (1,000–6,000/s) tension were investigated…”
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Effect of cold rolling on the microstructure and mechanical properties of Al0.25CoCrFe1.25Ni1.25 high-entropy alloy by Wang, Z., Gao, M.C., Ma, S.G., Yang, H.J., Wang, Z.H., Ziomek-Moroz, M., Qiao, J.W.

“…Cold rolling can break down the as-cast dendrite microstructure and thus may have pronounced impact on the mechanical behavior of the alloy. In the present…”
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Microstructural features and tensile behaviors of the Al0.5CrCuFeNi2 high-entropy alloys by cold rolling and subsequent annealing by Ma, S.G., Qiao, J.W., Wang, Z.H., Yang, H.J., Zhang, Y.

“…The Al0.5CrCuFeNi2 HEAs with three different statuses (as-cast, -rolled, and -annealed) are prepared to investigate their microstructure evolutions and tensile…”
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A molecular dynamics investigation of nano-twins and nano-precipitates effects in CoCrFeNi-based high-entropy alloys by Gao, W H, Qiao, L, Zhao, D, Wang, J J, Fang, H Q, Zhang, W Y, Ma, S G, Zhang, T W, Wang, Z H

“…This study systematically investigates the effects of twin boundaries and precipitates on the performance of CoCrFeNi HEAs matrix using molecular dynamics…”
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Superior tensile properties of Al0.3CoCrFeNi high entropy alloys with B2 precipitated phases at room and cryogenic temperatures by Li, Q., Zhang, T.W., Qiao, J.W., Ma, S.G., Zhao, D., Lu, P., Xu, B., Wang, Z.H.

“…Al0.3CoCrFeNi high-entropy alloys (HEAs) with B2 ordered phase mainly precipitated at grain boundaries are obtained by cold rolling, annealing and aging…”
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Mechanical properties and deformation behavior of dual-phase Al0.6CoCrFeNi high-entropy alloys with heterogeneous structure at room and cryogenic temperatures by Li, Q., Zhang, T.W., Qiao, J.W., Ma, S.G., Zhao, D., Lu, P., Wang, Z.H.

“…Dual-phase Al0.6CoCrFeNi high-entropy alloys (HEAs) with heterogeneous structure are obtained by cold rolling and annealing. Tensile experiments show that this…”
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Microstructure evolution and mechanical response of Co-free Ni2CrFeAl0.3Tix high-entropy alloys by Liu, X.X., Ma, S.G., Song, W.D., Zhao, D., Wang, Z.H.

“…In this study, microstructure and mechanical behavior of Co-free Ni2CrFeAl0.3Tix high-entropy alloys are investigated. X-ray diffraction analysis show that a…”
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An Analysis of Tensile and Compressive Properties of Carbon Fiber High-Entropy Alloy Composite Laminates by Guo, Z. X., Shi, H. L., Ma, S. G., Cui, J. J., Chai, G. B., Li, Y. C.

“…Tensile tests were carried out on carbon fiber high-entropy alloy, carbon fiber aluminum alloy, carbon fiber titanium alloy, and carbon fiber-reinforced…”
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Enhancement of mechanical and electrochemical properties of Al0.25CrCoFe1.25Ni1.25 high-entropy alloys by coating Ni–P amorphous films by Qiao, J.W., Wang, Z., Ren, L.W., Jia, H.L., Ma, S.G., Yang, H.J., Zhang, Y.

“…The Al0.25CrCoFe1.25Ni1.25 high-entropy alloys (HEAs) are coated with Ni–P amorphous films with a thickness of 35μm. The as-cast HEAs have a yielding strength…”
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