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by high velocity oxygen fuel (HVOF). It suggests that the TGO usually consists of a great number of chromium oxides, cobalt oxides and spinel oxides besides alumina during the initial period of the high...); high velocity oxygen fuel (HVOF); spinel oxides 1 Introduction Thermal barrier coatings (TBCs) have been widely used to protect the hot sections of gas turbine from high temperature oxidation......
Comparative studies on the hot corrosion behavior of air plasma spray and high velocity oxygen fuel coated Co-based L605 superalloys in a gas turbine environmentKuzhipadath Jithesh1,Moganraj... plasma spray(APS) and high-velocity oxygen fuel(HVOF) coating techniques to enhance its corrosion resistance. Hot corrosion studies were conducted on uncoated and coated samples in a molten salt......
in a planetary ball mill. The milled nanocrystalline powders were used to coat carbon steel tubes using high velocity oxygen fuel (HVOF) thermal spraying process. The characterization of the feedstock... the cycle oxidation resistance of high velocity oxy-fuel (HVOF) sprayed nanostructured Ni60-TiB2 composite coating at 800 °C with static air sprayed by high velocity oxygen fuel spray method......
mechanism is the serious oxidative wear at 800 ℃. Key words: high velocity oxygen fuel (HVOF); WC-12Co coating; surface; interface; friction coefficient; wear performance H13是一种C-Cr-Mo-Si-V型热作模具钢[1],具有良... velocity oxygen fuel (HVOF), and the surface-interface morphologies, phases and chemical element compositions of the obtained coatings were analyzed with SEM (scanning electronic microscope), XRD (X......
and on spot. It is proved that using high velocity oxygen fuel to strengthen the surface on flow parts of hydraulic turbine can effectively prolong the service life of hydroelectric generating set. 关键词:hydraulic turbine; ablation; high velocity oxygenfuel technology; surface strengthen; [全文内容正在添加中] ......
文献标志码:A Abrasive wear behavior of WC-Co coating deposited by high velocity oxygen flame process WANG Qun, QU Bang-rong, TANG Zhao-xi, XIONG Hao-qi (College of Materials Science and Engineering, Hunan University, Changsha 410082, China) Abstract: WC-12Co coating was deposited on the 16Mn steel by high velocity oxygen flame (HVOF) process. The mechanical performances......
of the dosage of fuel along the height of sinter bed, the oxygen content is heightened and the time of high temperature in sintering process is prolonged. The calcium ferrite of strip-structure... Heidelberg 2011 Abstract: In order to utilize the spontaneous accumulation of heat (SAH) reasonably and obtain the high quality sinter with low energy consumption, a lower fuel consumption modeling based......
: Methanol is regarded as an important liquid fuel for hydrogen storage, transportation, and in-situ generation due to its convenient conveyance, high energy density, and low conversion temperature... from the perspective of energy conservation and ecological protection. According to the operation temperature, the fuel cells can be divided into low-temperature fuel cells and high-temperature fuel......
Oxidation behavior of Fe40Al-xWC composite coatings obtained by high-velocity oxygen fuel thermal spray XIANG Jun-huai(向军淮)1, 2, 3, ZHU Xing-he(朱星河)1, CHEN Gang(陈 钢)1, DUAN Zhi(段 智)1... with dense structure were successfully deposited by high-velocity oxygen fuel (HVOF) spraying of a mixture of Fe, Al and WC powders. The objective of the present work is to provide insight......
that of the substrate. Key words: TC4-DT; high velocity oxygen fuel; WC10Co4Cr coatings; fretting wear 中强度高损伤容限钛合金TC4-DT(Ti6Al4V ELI)具有高比强度,耐腐蚀,抗高温等性能,在美国F-22"猛禽"第四代战机上得到了充分验证和广泛应用[1-2].但是由于钛合金的电子层,晶体结构和热传导率等特性...-velocity-oxygen-fuel spray process on TC4-DT alloy. The coating porosity, microhardness, bonding strength and anti fretting-wear performance of the coatings were evaluated. The results indicate......
