Zobrazeno 1 - 10
of 29
pro vyhledávání: '"550"'
Publikováno v:
Applied Surface Science. 389:930-941
The oxidation resistance for the heat affected zone (HAZ) and base metal of 9 wt.% Cr heat resistant steel in 550 °C lead-bismuth eutectic has been investigated. The oxide film presents a three-layer structure. The outer layer is Fe3O4 while the inn
Publikováno v:
Solid State Ionics. :87-90
In this study, we report the micro-structural and chemical evolution of anode grain boundaries and triple phase boundary (TPB) junctions of Ni/YSZ anode supported solid oxide fuel cells. A NiO phase was found to develop along the Ni/YSZ interfaces ex
Publikováno v:
Surface and Coatings Technology. 202:4922-4929
In this study, the tribology and cyclic oxidation behavior of plasma nitrided DIN 1.4871 austenitic valve steel were investigated. For this purpose plasma nitriding treatments were carried out in nitrogen and hydrogen with ratio N 2 /H 2 : 1/3 at 10
Publikováno v:
Materials Chemistry and Physics. 90:275-281
The corrosion of a new nickel base superalloy, INCONEL alloy 740, has been studied at 550 and 700 °C on exposure to the synthetic coal ash/flue gas environments by means of XRD, SEM, and EDX. Low temperature hot corrosion of the new alloy occurred a
Publikováno v:
International Journal of Hydrogen Energy. 42:19829-19835
The oxidation behaviors of alloy C-276 in two harsh environments: high-temperature air and supercritical water (SCW), respectively representing the working conditions of the external and internal surfaces of reactors for SCW gasification biomass to p
Autor:
David Guzonas, Amir Mostafaei, Yashar Behnamian, Babak Shalchi Amirkhiz, Wenyue Zheng, Markus Chmielus, Weixing Chen, Alireza Kohandehghan, Ramin Zahiri, Jing Li Luo
Publikováno v:
The Journal of Supercritical Fluids. 119:245-260
This study concentrated on the investigation of oxide scale grown on alloys 304 and 304-oxide dispersion strengthened steel in supercritical water (650 °C/25 MPa) environment. The corrosion rate was evaluated by measuring the weight change of the sa
Publikováno v:
International Journal of Hydrogen Energy. 41:20640-20649
Nanostructured manganese cobaltite spinel oxide (MnCo 2 O 4 ) was successfully synthesized by co-precipitation method. X-ray diffraction (XRD) results revealed that the molar ratio of OH − / NO 3 − = 1.5 in the precipitation stage is more appropr
Publikováno v:
Surface and Coatings Technology. 285:87-97
Nanosecond pulsed laser irradiation was used to fabricate colored, mechanically robust oxide “tags” on 304L stainless steel. Immersion in simulated seawater solution, salt fog exposure, and anodic polarization in a 3.5% NaCl solution were employe
Publikováno v:
Materials Letters. 157:19-22
The effects of annealing temperature on the structural and electrical properties of indium oxide thin films of thickness 600 nm, prepared on glass substrate by thermal evaporation in vacuum, were investigated. The deposited films were annealed at 350
High frequency reciprocating sliding wear behavior and mechanisms of quaternary metal oxide coatings
Publikováno v:
Wear. :390-399
Wear resistant coatings based on quaternary metal oxides were studied with comparisons made to more traditional ternary metal oxides. While much is known about ternary metal oxide wear behavior and mechanisms from room to higher temperatures, little