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Hafnium carbide structural foams synthesized from polymer precursors FAN Hai-bo, YANG Hong, N. K. RAVALA, H. C. WIKLE III, R. H. ZEE, B. A. CHIN 275 Wilmore Labs Auburn University, Auburn, AL... precursors (mixing of hafnium trifluoroacetylacetonate and epoxy) under vacuum atmosphere. The X-ray diffraction analysis shows that the produced foam is primarily composed of HfC containing 9%-10% HfO2......
In-Situ Wet Chemical Composition of Multicomponent Precursors to Blue Emitting Sr2CeO4 Phosphors Xiao Xiuzhen1,Yan Bing1 (1.Department of Chemistry, Tongji University, Shanghai 200092, China) Abstract:Hybrid precursors were assembled with cerium coordination polymers, polyethyl glycohol (PEG), SrCO3 and other functional components using a modified in-situ chemical polymeric gel technology......
Influences of Platinum Precursors and Solution Acidities on REO-Based Catalysts Performances Ning Ping1,Zhang Aimin1 (1.Kunming University of Science and Technology, Kunming 650093, China...(OH)2(C2H5ONH2)2 as Pt precursors, and the mixed oxide of (Ce-Zr-La-Pr)O as base material to prepare a series of catalysts, and their performances of the catalysts were studied by TPR and CO pulse......
Plasma boronizing of Ti6AlV4 using solid precursors by double glow plasma alloying technique QIN Lin(秦 林) 1, QU Jun-zhi(曲均志)1, LIN Nai-ming(林乃明)1, FAN Ai-lan(范爱兰)1, CHANG Da-qing(常大庆)2, TANG... tribological conditions. Key words: plasma boronizing; titanium alloy; precursors; FeB compound 1 Introduction Titanium alloys offer many attractive properties, which lead to an ever increasing......
In-Situ Sol-Gel Composition of Hybrid Precursors to Synthesize SrTiO3 :Pr3+ Red Ceramic Phosphors Zhou Kun1,Yan Bing1 (1.Department of Chemistry, Tongji University, Shanghai 200092, China) Abstract:Praseodymium coordination polymers with ortho hydroxylbenzoic acid was used as the precursors of luminescent species to compose with polyethylene glycol (PEG), and inorganic/organic hybrid polymeric......
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Platinum Precursors Effects on Pt/(Ce-Zr-La-Pr)O Catalysts张爱敏,宁平摘 要:(Ce-Zr-La-Pr)O acted as substrates and Pt acted as catalytic active component, the influences of the precursors, H2PtCl6, Pt(NH3)2(NO2)2 and Pt(OH)2(C2H5ONH2)2, and their solutions acidities on the catalytic performances and active metal distribution degrees of the catalysts were......
Effect of different carbon precursors on properties of LiFePO4/CXIAO Zheng-wei(肖政伟)1, ZHANG Ying-jie(张英杰)1, HU Guo-rong(胡国荣)2(1. Faculty of Metallurgical and Energy Engineering, Kunming University... precursors on the properties of LiFePO4/C prepared by using Fe2O3 were investigated. X-ray powder diffractometry, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM......
Synthesis of Non-oxide Porous Ceramics Using Random Copolymers as PrecursorsXiaoqian Wang1,2,Kewei Wang1,2,Jie Kong3,Yiguang Wang1,2,Linan An41. State Key Laboratory of Solidification Processing,Northwestern Polytechnical University2. Science and Technology on Thermo structural Composite Materials L......
J. Cent. South Univ. (2016) 23: 2329-2335 DOI: 10.1007/s11771-016-3291-x Resistivity and thermal infrared precursors associated with cemented backfill mass XU Wen-bin(徐文彬)1, 2, HOU Yun-bin(侯运炳)1...-strain monitoring system and a resistivity measurement system. Precursory information for impending failure of cemented backfill mass was collected, including TIR, strain and resistivity precursors......
