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Effect of CeO2 on low temperature pressureless sintering of porous Si3N4 ceramics刘甜甜1,2,姜翠凤1,郭伟11. School of Materials Engineering, Yancheng Institute of Technology2. School of Materials Science and Engineering, Anhui University of Science and Technology摘 要:Porous silicon nitride(Si3N4) ceramics were fabricated by low temperature pressureless sintering......
Study on reaction mechanism of low temperature preparation of nanocrystalline LaCoO3-λ沈海云,杨秋华,李宁摘 要:Perovskite-type oxide nanocrystalline LaCoO3-λ.... The reaction mechanism of low temperature preparation was suggested as fol- lows: the metal complex was first formed by the combination of metal ion and citric acid; and then it decomposed......
starts at 1 100 °C even though the dephosphori- zation rate is relative low. The dephosphorization ratio increases with the increase of roasting temperature. Especially, at the temperature between 1 200... High temperature dephosphorization behavior of monazite concentrate with charred coal XING Peng-fei(邢鹏飞), ZHUANG Yan-xin(庄艳歆), TU Gan-feng(涂赣峰), GUO Jing(郭 菁) School of Materials and Metallurgy......
can effectively reduce surface defects in HDC casting process. 2) Under the effects of low frequency electromagnetic field, the flow pattern of the melt and therefore, the temperature field...Effect of low frequency electromagnetic field on microstructures and macrosegregation of horizontal direct chill casting aluminum alloy ZHAO Zhi-hao(赵志浩), CUI Jian-zhong(崔建忠), DONG Jie(董 杰......
Luminescence and low temperature trap centers in mixed rare earth borate crystalD.Joseph Danie1,Indra Raj Panday1,H.J.Kim1,Sunghwan Kim2,U.Fawad31. Department of Physics,Kyungpook National... of thermoluminescence(TL) glow peak analysis. Low temperature TL glow peaks were measured in the temperature range of 10-300 K at the heating rate of 0.1 K/s for X-ray irradiated sample. The TL glow peak consists......
Luminescence and low temperature trap centers in mixed rare earth borate crystalD.Joseph Danie1,Indra Raj Panday1,H.J.Kim1,Sunghwan Kim2,U.Fawad31. Department of Physics,Kyungpook National... of thermoluminescence(TL) glow peak analysis. Low temperature TL glow peaks were measured in the temperature range of 10-300 K at the heating rate of 0.1 K/s for X-ray irradiated sample. The TL glow peak consists......
of material. Low carbon low alloy steel (20CrMnTi) was heated for various durations near Ac temperature to obtain fine pearlite and ferrite grains. Annealing temperature and time were used as independent...Parameters Optimization of Low Carbon Low Alloy Steel Annealing ProcessMaoyu ZHAO1,2,Qianwang CHEN11. School of Chemistry and Materials Science, University of Science and Technology of China2......
A Hybrid Low Temperature Surface Alloying Process for Austenitic Stainless Steels Y.Sun1 (1.School of Materials Engineering, Nanyang Technological University, Singapore 639798) 摘要:This paper... respectively in supersaturated fcc austenite solid solutions. The resultant hybrid structure offers several advantages over the conventional low temperature nitriding and the newly developed carburizing......
Low Temperature CO and C3H8 Oxidation over CeO2/γ-Al2O3 Supported Pd Metallic Monolithic Catalyst贾莉伟,沈美庆,饶婷,王军,张钺伟摘 要:Pd supported metallic monolith... aged catalyst are 195 and 348 ℃, at the same time CO oxidation T90 is around 207 ℃, whereas C3H8 oxidation T90 exceeds 650 ℃. This catalyst exhibits a good CO low-temperature oxidation and durability......
Synthesis of γ-Ce2S3 colorant under low temperature and its coloring properties for PE and PVC王东日1,2,赵永清2,于世泳11. Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School... that corresponding γ-Ce2S3 with small size was obtained by using nanoscale CeO2 as precursor; pure phase γ-Ce2S3 could be obtained under low temperature of 700 oC. Coloring properties of γ-Ce2S3......