Search Results - "Nie, K"

Effect of submicron size SiC particulates on microstructure and mechanical properties of AZ91 magnesium matrix composites by Deng, K.K., Wu, K., Wu, Y.W., Nie, K.B., Zheng, M.Y.

“…In the present study, AZ91 magnesium matrix composites reinforced with six volume fractions (0.5, 1, 1.5, 2, 3 and 5 vol.%) of submicron-SiC particulates (0.2…”
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Clicky hip alone is not a true risk factor for developmental dysplasia of the hip by Nie, K, Rymaruk, S, Paton, R W

“…A clicky hip is a common referral for clinical and sonographic screening for developmental dysplasia of the hip (DDH). There is controversy regarding whether…”
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Microstructure and mechanical properties of SiC nanoparticles reinforced magnesium matrix composites fabricated by ultrasonic vibration by Nie, K.B., Wang, X.J., Hu, X.S., Xu, L., Wu, K., Zheng, M.Y.

“…► SiCp/AZ91 nanocomposite was successfully fabricated by ultrasonic vibration. ► The grains of the alloy matrix in the SiCp/AZ91 nanocomposite are refined. ►…”
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Development of SiCp/AZ91 magnesium matrix nanocomposites using ultrasonic vibration by Nie, K.B., Wang, X.J., Wu, K., Hu, X.S., Zheng, M.Y.

“…► SiCp/AZ91 nanocomposites were successfully fabricated by ultrasonic vibration. ► Grains of nanocomposites are gradually refined with increasing the volume…”
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Knowledge‐Assisted Comparative Assessment of Breast Cancer using Dynamic Contrast‐Enhanced Magnetic Resonance Imaging by Nie, K., Baltzer, P., Preim, B., Mistelbauer, G.

“…Breast perfusion data are dynamic medical image data that depict perfusion characteristics of the investigated tissue. These data consist of a series of static…”
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Effect of hot extrusion on microstructures and mechanical properties of SiC nanoparticles reinforced magnesium matrix composite by Nie, K.B., Wang, X.J., Xu, L., Wu, K., Hu, X.S., Zheng, M.Y.

“…► SiCp/AZ91 nanocomposite was subjected to extrusion. ► Grains of matrix in the SiCp/AZ91 nanocomposites are greatly refined. ► Distribution of SiC…”
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Processing, microstructure and mechanical properties of magnesium matrix nanocomposites fabricated by semisolid stirring assisted ultrasonic vibration by Nie, K.B., Wang, X.J., Wu, K., Xu, L., Zheng, M.Y., Hu, X.S.

“…• SiCp/AZ91 nanocomposite was fabricated by semisolid assisted ultrasonic vibration. • Grain size of alloy matrix in the SiCp/AZ91 nanocomposites is decreased…”
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Microstructures and tensile properties of Mg-2Zn-0.8Sr-0.2Ca alloy extruded at relatively slow speed and low temperature by Yang, A., Nie, K.-B., Deng, K.-K., Han, J.-G., Xiao, T., Han, X.-Z.

“…In this work, a new Mg-2Zn-0.8Sr-0.2Ca alloy with low content of alloying elements was subjected to extrusion at relatively low-temperatures (240 and 200?C)…”
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Multidirectional forging of AZ91 magnesium alloy and its effects on microstructures and mechanical properties by Nie, K.B., Deng, K.K., Wang, X.J., Xu, F.J., Wu, K., Zheng, M.Y.

“…AZ91 alloy was subjected to multidirectional forging (MDF) and the relationship between microstructures and mechanical properties generated by MDF were…”
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Encoding frequency Modulation to improve cochlear implant performance in noise by Kaibao Nie, Stickney, G., Fan-Gang Zeng

“…Different from traditional Fourier analysis, a signal can be decomposed into amplitude and frequency modulation components. The speech processing strategy in…”
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Microstructure and tensile properties of micro-SiC particles reinforced magnesium matrix composites produced by semisolid stirring assisted ultrasonic vibration by Nie, K.B., Wang, X.J., Wu, K., Hu, X.S., Zheng, M.Y., Xu, L.

“…► Micro-SiCp/AZ91 composite was fabricated by semisolid assisted ultrasonic vibration. ► Grains of the composites are gradually refined with increasing the…”
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Microstructure and mechanical properties of Mg–Al–Ca alloy influenced by SiCp size by Zhang, X., Deng, K.K., Li, W.J., Wang, H.X., Nie, K.B., Xu, F.J., Liang, W.

“…Mg–Al–Ca matrix composites reinforced with three sizes (1μm, 5μm, and 10μm) of SiCp were fabricated by stir casting. Then the as-cast ingots were extruded at…”
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Enhancement of docosahexaenoic acid production by Schizochytrium sp. using a two‐stage oxygen supply control strategy based on oxygen transfer coefficient by Qu, L., Ji, X.‐J., Ren, L.‐J., Nie, Z.‐K., Feng, Y., Wu, W.‐J., Ouyang, P.‐K., Huang, H.

“…Aims:  To improve the yield and productivity of docosahexaenoic acid (DHA) by Schizochytrium sp. in terms of the analysis of microbial physiology. Methods and…”
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Microstructures and mechanical properties of AZ91 magnesium alloy processed by multidirectional forging under decreasing temperature conditions by Nie, K.B., Wang, X.J., Deng, K.K., Xu, F.J., Wu, K., Zheng, M.Y.

“…•As-cast AZ91 alloy was subjected to multidirectional forging.•The precipitated phases hinder the DRX grain growth by pinning grain boundaries.•The…”
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Microstructure and Tensile Strength of Nano-TiCp/Mg–Zn–Ca Magnesium Matrix Nanocomposites Processed by Multidirectional Forging by Nie, K. B., Zhu, Z. H., Deng, K. K., Guo, Y. C., Han, J. G.

“…In this work, a Mg–Zn–Ca magnesium matrix nanocomposite containing nano-sized TiC particles was firstly processed by multidirectional forging (MDF). With…”
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Microstructures and mechanical properties of SiCp/AZ91 magnesium matrix nanocomposites processed by multidirectional forging by Nie, K.B., Deng, K.K., Wang, X.J., Gan, W.M., Xu, F.J., Wu, K., Zheng, M.Y.

“…•As-cast SiCp/AZ91 nanocomposite was subjected to multidirectional forging.•Ultrafine grains with average size of about 20nm were observed.•Tensile properties…”
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Microstructure and tensile properties of SiC nanoparticles reinforced magnesium matrix composite prepared by multidirectional forging under decreasing temperature conditions by Nie, K.B., Wang, X.J., Xu, F.J., Wu, K., Zheng, M.Y.

“…Multidirectional forging (MDF) under decreasing temperature conditions was adopted to process SiC nanoparticles reinforced magnesium matrix composite. The…”
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Influences of extrusion parameters on microstructure and mechanical properties of particulate reinforced magnesium matrix composites by Wang, X.J., Xu, L., Hu, X.S., Nie, K.B., Deng, K.K., Wu, K., Zheng, M.Y.

“…[Display omitted] ► Extrusion improved the particle distribution of composites. ► Particle distribution was improved as extrusion temperatures increased. ► The…”
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Dynamic recrystallization behavior of particle reinforced Mg matrix composites fabricated by stir casting by Wang, X.J., Hu, X.S., Nie, K.B., Deng, K.K., Wu, K., Zheng, M.Y.

“…► The necklace-type particle distribution caused the necklace DRX. ► DRX extended from the initial intergranular areas to the initial transgranular areas. ►…”
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Effect of ultrasonic vibration and solution heat treatment on microstructures and tensile properties of AZ91 alloy by Nie, K.B., Wang, X.J., Wu, K., Zheng, M.Y., Hu, X.S.

“…• Ultrasonic vibration could refine the phase Mg17Al12 of AZ91 alloy. • Solution heat treatment was effective in dissolving the phase Mg17Al12. • The tensile…”
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