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片状结晶转化,最终颗粒生长为由针状与片状聚集的水菱钇型碳酸钇晶体.实验在1次晶种循环,(80 ℃,pH 5.9~6.0)的条件下即可得到粒度12.0 μm且分散性均匀的晶型碳酸钇. REFERENCES [1] YOU S K, WEON H K. Optical loss mechanism in yttria thin film waveguides[J]. Optical Materials, 2000, 14(3): 229-234. [2] PAILLOUX F, IMHOFF D, JUBLOT M, PAUMIER F, GABORIAUD R J, JAOUEN M. HRTEM and EELS study of Y2O3/MgO thin films[J]. Micron, 2006, 37(5): 420-425. [3] JIN Ling-ling, ZHOU......
effect, a very thin silicate sheet called mica was used between dies and samples as lubricate. The samples were compressed to a strain of 0.6, and then directly quenched in water for preventing.... Constitutive modeling of the flow stress of GCr15 continuous casting bloom in the heavy reduction process [J]. Metallurgical and Materials Transactions B, 2018, 49: 767-782. [18] SOUZA P M, BELADI H, SINGH R P......
addition on Fe-rich phases and mechanical properties of hypereutectic Al-Si alloy with rheo-squeeze casting [J]. Transactions of Nonferrous Metals Society of China, 2019, 29(2): 253-262. [8] XU Jiang-ao......
was considerably higher in the case of WAA manufactured alloy, most probably due to the finer grain structure obtained by higher cooling rate of this method compared to the casting process. Yield strength... G, XU B. Enhanced strength and ductility in thin Ti-6Al-4V alloy components by alternating the thermal cycle strategy during plasma arc additive manufacturing [J]. Materials Science and Engineering......
on the first principles of copper sulfide precipitation form in oriented silicon steel[J]. Casting Technology, 2017(9): 10-12. [19] BECKE A D. Density-functional thermochemistry. Ⅱ. The effect......
and stranding of thin wires [J]. Advanced Engineering Materials, 2011, 13(12): 1087-1095. [3] XU De-xing, YANG Chang-lin, ZHAO Kang-ning, LI Hong-xiang, ZHANG Ji-shan. Interfacial microstructure and mechanical behavior of Mg/Cu bimetal composites fabricated by compound casting process [J]. Transactions of Nonferrous Metals Society of China, 2019, 29(6): 1233-1241. [4] TESAR K, BALIK K, SUCHARDA Z......
, 2010, 58(8): 2936-2947. [20] CHEN Tao, CHEN Zhi-yong, SHAO Jian-bo, et al. Evolution of LPSO phases in a Mg-Zn-Y-Gd-Zr alloy during semi-continuous casting, homogenization and hot extrusion[J......
control strategy for lead-zinc sintering blending process[D]. Changsha: Central South University, 2008. [41] MARC G, WILSON L P, CAROLINE G. Scheduling continuous casting of aluminum using a multiple......
.%) was chosen for experiments. The ingot produced by semi-direct chill casting was scalped and homogenized at 360 °C for 6 h. The material in the homogenized condition had a microstructure of equiaxed......
because of difficult smelting, casting and composition control and corresponding forming, machinability and expensive cost [4, 5]. Thus the application of NiTi SMAs is limited to simple tubes, rods, plates......
