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-luminescent surface layer causes a substantial decrease in the brightness. In lamps, the degradation of BAM is mainly caused by thermal treatment during lamp manufacturing. One of the options to enhance... Science, Lanzhou University, Lanzhou 730000, China) Abstract: In order to prevent BaMgAl10O17∶Eu (BAM) phosphor from thermal degradation, MgF2-coatings on the surface of BAM were prepared by a sol......
Trans. Nonferrous Met. Soc. China 29(2019) 2117-2127 Effect of thermal treatment and ball milling on microstructure and phase transformation of Ni-Mn-Ga-Nb alloys Jun-song WANG1,2, Bing TIAN1,2, Yun... structure of the matrix. Key words: Ni-Mn-Ga-Nb alloy; thermal treatment; ball milling; microstructure; phase transformation 1 Introduction Ni-Mn-Ga ferromagnetic shape memory alloys (FSMAs) have......
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results of heat treatment processes.However, these results were insufficient to predict crack generation clearly because the mechanism relates not only to stress distributions in the parts but also... were simulated for considering a cause of the crack generation. Lastly a tentative plan was made for the future research. 关键词:Quench Cracking; Heat Treatment Simulation; [全文内容正在添加中] ......
for the annealed Cu-Ti/Dia composites. Appropriate heat treatment needs to be continually investigated to improve the thermal conductivity of hot-forged CuTi/Dia composite by eliminating deformed structure...Evaluation on the interface characteristics, thermal conductivity, and annealing effect of a hot-forged Cu-Ti/diamond compositeLei Lei,Yu Su,Leandro Bolzoni,Fei YangWaikato Centre for Advanced......
Effects of heat treatment on morphological, optical and electrical properties of ITO films by sol-gel technique LI Zhi-hua(李芝华), KE Yu-peng(柯于鹏), REN Dong-yan(任冬燕) School of Materials Science... of different heat treatment temperatures and cooling methods on the morphological, optical and electrical properties of ITO films were measured by TG/DTA, IR, XRD, SEM, UV-VIS spectrometer and four-probe......
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Trans. Nonferrous Met. Soc. China 30(2020) 1717-1730 Effect of thermal exposure on microstructure and mechanical properties of Al-Si-Cu-Ni-Mg alloy produced by different casting technologies Jia-ying... 2019; accepted 2 June 2020 Abstract: The effect of thermal exposure at 350 °C for 200 h on microstructure and mechanical properties was investigated for Al-Si-Cu-Ni-Mg alloy, which was produced......
MARTENSITIC TRANSFORMATION AND THERMAL STABILITY IN Cu-Al-Co AND Cu-Al-Zr ALLOYS C.B.Jiang1,H.B.Xu1,Y.Q.Ma1 (1.Department of Materials Science and Engineering, Beijing University of Aeronautics...℃, showing the potentials for developing as high temperature shape memory alloys. Thermal cycles were performed by DSC instrument on both Cu-Al-Co and Cu-Al-Zr alloys. The results show that Cu-Al-Co loses its......
THE INFLUENCE OF Mo DIFFUSION ON THE THERMAL BEHAVIOR OF TBCs ON Ni3Al BASED ALLOY IC-6 H.B.Xu1,D.B.Zhang1,S.K.Gong1,Y.F.Han2 (1.Department of Materials Science and Engineering, Beijing University... thermal barrier coatings (TBCs) were preparedonto γ''-Ni3Al based alloy IC-6 by electron beam physical vapor deposition (EB-PVD).Isothermal oxidation and thermal cycling tests were carried out......