Synthesis of CoOOH Nanorods and Application as Coating Materials of Nickel Hydroxide for High Temperature Ni−MH Cells

2005 ◽  
Vol 109 (12) ◽  
pp. 5392-5394 ◽  
Author(s):  
W. K. Hu ◽  
X. P. Gao ◽  
M. M. Geng ◽  
Z. X. Gong ◽  
D. Noréus
Keyword(s):  
High Temperature ◽  
Nickel Hydroxide ◽  
Coating Materials

Synthesis of CoOOH Nanorods and Application as Coating Materials of Nickel Hydroxide for High Temperature Ni—MH Cells.

ChemInform ◽  
2005 ◽  
Vol 36 (26) ◽  
Author(s):  
W. K. Hu ◽  
X. P. Gao ◽  
M. M. Geng ◽  
Z. X. Gong ◽  
D. Noreus
Keyword(s):  
High Temperature ◽  
Nickel Hydroxide ◽  
Coating Materials

High temperature performances of yttrium-doped spherical nickel hydroxide

2004 ◽  
Vol 49 (20) ◽  
pp. 3361-3366 ◽  
Author(s):  
X Mi ◽  
X.P Gao ◽  
C.Y Jiang ◽  
M.M Geng ◽  
J Yan ◽  
...  
Keyword(s):  
High Temperature ◽  
Nickel Hydroxide

Al3+ Additive in the Nickel Hydroxide Obtained by High-Temperature Two-Step Synthesis: Activator or Poisoner for Chemical Power Source Application?

2020 ◽  
Vol 167 (10) ◽  
pp. 100530
Author(s):  
V. L. Kovalenko ◽  
V. A. Kotok ◽  
A. Sykchin ◽  
B. A. Ananchenko ◽  
A.V. Chernyad’ev ◽  
...  
Keyword(s):  
High Temperature ◽  
Nickel Hydroxide ◽  
Power Source ◽  
Chemical Power Source

Design and Processing of Temperature Resistant Enamel Coating Materials

2013 ◽  
Vol 457-458 ◽  
pp. 168-171
Author(s):  
Xin Fu ◽  
Chun Hua Zhang ◽  
Chun Qi Li ◽  
Ke Jun Li ◽  
Yu Bnag Zuo
Keyword(s):  
Stainless Steel ◽  
High Temperature ◽  
Enamel Coating ◽  
Coating Material ◽  
Structure And Properties ◽  
Coating Materials

In this work, a porcelain enamel coating material for high temperature resistant on 1Cr18Ni9Ti stainless steel is designed and processed. The structure and properties of the material are analyzed by SEM, EDAX, XRD and FTIR. The results show that the surface of the enamel glaze and the enamel coating are smooth and bright, there is no obvious crystallization characteristics in porcelain enamel. There is litter oxidation and inter-diffusion in the interface between 1Cr18Ni9Ti stainless steel and porcelain enamel coating material after coating enamel.

High-temperature vibration damping of thermal barrier coating materials

2007 ◽  
Vol 202 (4-7) ◽  
pp. 693-697 ◽  
Author(s):  
Andi M. Limarga ◽  
Tuan L. Duong ◽  
Giuliano Gregori ◽  
David R. Clarke
Keyword(s):  
High Temperature ◽  
Thermal Barrier Coating ◽  
Vibration Damping ◽  
Thermal Barrier ◽  
Coating Materials ◽  
Barrier Coating

scholarly journals New Formation Mechanisms of Pores and Cracks in Micro-arc Oxidation Coatings on 6061 Aluminum Alloy with High Temperature Oxide Prefab Film

2021 ◽  
Vol 27 (1) ◽  
pp. 37-41
Author(s):  
Guo-rui WU ◽  
Dong-dong WANG ◽  
Xin-tong LIU ◽  
Mingjia WANG ◽  
Dong CHEN ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
High Temperature ◽  
Phase Interface ◽  
Oxide Phase ◽  
Formation Mechanisms ◽  
Coating Materials ◽  
6061 Aluminum Alloy ◽  
High Temperature Oxide ◽  
Micro Arc Oxidation ◽  
Temperature Oxide

Prior to micro-arc oxidation (MAO) treatment, a layer of high temperature oxide (HTO) prefab film was fabricated on the surface of 6061 aluminum alloy specimens. The formation mechanisms of the cracks and pores in the MAO coatings were investigated by means of Mg element as the tracer. The results showed that there were several different formation mechanisms for the pores and cracks formed in the MAO coatings as follows. Some of pores were attributed to the residual micro-discharge channels, and the others were attributed to the residual uncovered concave regions locating among the surrounding convex regions. The difference in oxide phase composition caused by the compositional fluctuations in the coating weakened the bond strength at the phase interface and resulted in forming cracks between every two convex regions. Some of cracks were resulted from the solidification and shrinkage of molten coating materials, and the others were resulted from the poor connection between every two convex regions. The surface morphology and the content of each element of the MAO coating were determined using scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDS).

scholarly journals High Temperature Chloride Corrosion Behavior of 904L:AlFeNiMoNb High-Entropy Alloy

2021 ◽  
Vol 8 ◽  
Author(s):  
Lingyun Bai ◽  
Wenyi Peng ◽  
Dandan Men ◽  
Jun Zhu ◽  
Xuecheng Wu ◽  
...  
Keyword(s):  
Weight Loss ◽  
High Temperature ◽  
Weight Change ◽  
Cost Effective ◽  
Melting Process ◽  
Vacuum Arc ◽  
High Entropy Alloy ◽  
Coating Materials ◽  
High Entropy ◽  
Chloride Corrosion

In order to obtain high cost-effective coating materials working in chlorine-containing environment at high temperature, a 904L super austenitic alloy modified by an AlFeNiMoNb alloy (904L:AlFeNiMoNb) was obtained by vacuum arc melting process. The 904L:AlFeNiMoNb high-entropy alloy has a similar phase component with the AlFeNiMoNb alloy, but a more homogenous microstructure than that of the AlFeNiMoNb alloy. High-temperature chloride corrosion tests for 904L, AlFeNiMoNb, and 904L:AlFeNiMoNb high-entropy alloy were carried out under N2–2.6 vol.% CO2–1.3 vol.% O2–2,700 vppm HCl gaseous environment at 700°C and 800°C for 55 h, respectively. Due to the volatilization of FeCl2, weight change curves of the 904L alloy at 700°C and 800°C showed obvious weight loss. Especially at 800°C, the weight loss of the corroded 904L sample was 10 times that of the corroded sample at 700°C. Different from the weight loss situation of the 904L sample, both AlFeNiMoNb and 904L:AlFeNiMoNb high-entropy alloy showed small weight gains under the corrosion temperature of 700°C, while the latter gained half as much weight as the former. When the corrosion temperature was raised to 800°C, the AlFeNiMoNb and 904L:AlFeNiMoNb high-entropy alloy showed flat weight change curves with little weight loss. Weight loss for the AlFeNiMoNb and 904L:AlFeNiMoNb high-entropy alloy were 1.35138 and 0.0118 mg/cm2, respectively. The high temperature chloride corrosion resistance of 904L:AlFeNiMoNb high-entropy alloy is higher than that of 904L and AlFeNiMoNb at both 700°C and 800°C. Meanwhile, on the basis of the morphology and composition results of the corroded samples, combined with thermodynamic calculation, the high-temperature chloride corrosion mechanics of the tested alloys were discussed.

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