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Adhesion of Oxides Grown in Supercritical Water on

US20050118832A1 - Removal of MEMS sacrificial layers

A method and composition for removing silicon-containing sacrificial layers from Micro Electro Mechanical System (MEMS) substrates having such sacrificial layers is described.The etching compositions include a supercritical fluid,an etchant species,a co-solvent,and optionally a surfactant.Such etching compositions overcome the intrinsic deficiency of SCFs as cleaning reagents,viz.,the The role of dissolved oxygen in supercritical water in the Feb 01,2016 Adhesion of Oxides Grown in Supercritical Water on#0183;To assess the role of dissolved oxygen in supercritical water on the growth processes of oxide scales,a marker experiment of ferriticmartensitic steel was performed by exposing to supercritical water (H 2 16 O) containing marked 18 O 2 at 600 Adhesion of Oxides Grown in Supercritical Water on#176;C under 25 MPa.The oxide scale was analysed by using Secondary Ion Mass Spectrometry (SIMS).Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextEstimation of Oxidation Kinetics and Oxide Scale Void Exfoliation of oxide scales from high-temperature heating surfaces of power boilers threatened the safety of supercritical power generating units.According to available space model,the oxidation kinetics of two ferritic-martensitic steels are developed to predict in supercritical water at 400 Adhesion of Oxides Grown in Supercritical Water on#176;C,500 Adhesion of Oxides Grown in Supercritical Water on#176;C,and 600 Adhesion of Oxides Grown in Supercritical Water on#176;C.The iron diffusion coefficients in magnetite and Fe-Cr spinel are

Some results are removed in response to a notice of local law requirement.For more information,please see here.12345NextJ.Chevallier's research works Aarhus University (AU

J.Chevallier's 116 research works with 2,558 citations and 3,063 reads,including Femtosecond-laser-induced modifications of Ge2Sb2Te5 thin films Permanent optical change without amorphizationSome results are removed in response to a notice of local law requirement.For more information,please see here.Sacrificial Adhesion Promotion Layers for Copper Quantitative Interfacial Energy Measurements of Adhesion-Promoted Thin Copper Films by Supercritical Fluid Deposition on Barrier Layers.Journal of Engineering Materials and Technology 2010 ,132 (2) DOI 10.1115/1.4000283.

Oxidation mechanism of T91 steel in liquid lead-bismuth

Oct 13,2016 Adhesion of Oxides Grown in Supercritical Water on#0183;For instance,the F/M steels serving in USC and super-critical water-cooled reactors suffer severe oxidation from the water medium (supercritical water or steam) at high temperature 4,5,6.Oxidation behavior and Stress Corrosion Cracking Jun 15,2018 Adhesion of Oxides Grown in Supercritical Water on#0183;The Supercritical Water (SCW) coolant (550 Adhesion of Oxides Grown in Supercritical Water on#176;C/25 MPa) is far more than the thermodynamic critical point of water (374.3 Adhesion of Oxides Grown in Supercritical Water on#176;C/22.1 MPa) [2,3].In this case,SCW becomes a non-polar medium with strong oxidative properties to cause severe surface general corrosion (GC) and stress corrosion crack (SCC) of the structural material.Oxidation behavior and Stress Corrosion Cracking Jun 15,2018 Adhesion of Oxides Grown in Supercritical Water on#0183;The Supercritical Water (SCW) coolant (550 Adhesion of Oxides Grown in Supercritical Water on#176;C/25 MPa) is far more than the thermodynamic critical point of water (374.3 Adhesion of Oxides Grown in Supercritical Water on#176;C/22.1 MPa) [2,3].In this case,SCW becomes a non-polar medium with strong oxidative properties to cause severe surface general corrosion (GC) and stress corrosion crack (SCC) of the structural material.

Microstructural Effects on the Oxidation Behavior of Alloy

Alloy 800HT is one promising candidate for use as a fuel cladding material in supercritical water-cooled rectors.In the present study,specific thermomechanical processing (TMP) was used to study the effects of grain size and grain boundary character distribution (GBCD) on the oxidation behavior of alloy 800HT in supercritical water (SCW).MICROBEAM SYNCHROTRON RADIATION DIFFRACTIONMICROBEAM SYNCHROTRON RADIATION DIFFRACTION AND FLUORESCENCE STUDY OF OXIDE LAYERS FORMED ON 9Cr ODS STEEL IN SUPERCRITICAL WATER Arthur T.Motta1,Andrew D.Siwy1,Jamie M.Kunkle1,Jeremy B.Bischoff1,Robert J.Comstock2,Yun Chen3,Todd R.Allen3.1Department of Mechanical and Nuclear Engineering,227 Reber Bldg.,Penn State University,Investigation on Early Formation and Evolution of Oxide Supercritical water oxidation is a promising,environment-friendly technology to efficiently deal with a wide variety of organic wastes such as wastewaters,industrial and municipal sludge,etc.

Hierarchical Chestnut-Burr Like Structure of Copper Cobalt

Uniquely nanostructured CuCo2O4 is presented as an electrocatalyst for oxygen evolution reactions (OER).CuCo2O4 particles in a chestnut-burr-like shape (CCO*,where = chestnut burr) were hydrothermally synthesized around fibers of Ni foam substrates as current collectors.Chestnut burrs 4 m on average had thorns consisting of less than five threads.Each thread was made of aGreen solvent for green materials a supercritical The most environmentally benign solvent is water.Supercritical hydrothermal synthesis is a method that uses water as a solvent to synthesize nanomaterials.Under the supercritical state,a slight change in temperature and pressure can cause significant changes in the properties of these materials,which makes it possible to suitably tune the Formation Mechanism of Oxide Scales Grown onJul 06,2017 Adhesion of Oxides Grown in Supercritical Water on#0183;To promote the application of resource-saving heat-resistant stainless steels,the study on high temperature oxidation behavior and oxide-scales formation mechanism of X10CrAlSi18 ferritic

Formation Mechanism of Oxide Scales Grown on

Jul 06,2017 Adhesion of Oxides Grown in Supercritical Water on#0183;To promote the application of resource-saving heat-resistant stainless steels,the study on high temperature oxidation behavior and oxide-scales formation mechanism of X10CrAlSi18 ferriticFabrication of RutheniumCarbon NanotubeMar 30,2005 Adhesion of Oxides Grown in Supercritical Water on#0183;Previous article in issue Synthesis of Monodisperse Colloidal Spheres,Capsules,and Microballoons by Emulsion Templating.Previous article in issue Synthesis of Monodisperse Colloidal Spheres,Capsules,and Microballoons by Emulsion Templating Next article in issue Author Index and Subject Index Adv.Mater.7/2005Fabrication of RutheniumCarbon - Wiley Online LibraryHui Jin,Xiao Zhao,Simao Guo,Changqing Cao,Liejin Guo,Investigation on linear description of the char conversion for the process of supercritical water gasification of Yimin lignite,International Journal of Hydrogen Energy,10.1016/j.ijhydene.2016.05.129,41,36,(16070-16076),(2016).

Fabrication of RutheniumCarbon - Wiley Online Library

Hui Jin,Xiao Zhao,Simao Guo,Changqing Cao,Liejin Guo,Investigation on linear description of the char conversion for the process of supercritical water gasification of Yimin lignite,International Journal of Hydrogen Energy,10.1016/j.ijhydene.2016.05.129,41,36,(16070-16076),(2016).Estimation of Oxidation Kinetics and Oxide Scale Void Exfoliation of oxide scales from high-temperature heating surfaces of power boilers threatened the safety of supercritical power generating units.According to available space model,the oxidation kinetics of two ferritic-martensitic steels are developed to predict in supercritical water at 400 Adhesion of Oxides Grown in Supercritical Water on#176;C,500 Adhesion of Oxides Grown in Supercritical Water on#176;C,and 600 Adhesion of Oxides Grown in Supercritical Water on#176;C.The iron diffusion coefficients in magnetite and Fe-Cr spinel are Diameter-sensitive biocompatibility of anodic TiO 2 This work reports on the diameter-sensitive biocompatibility of anodic TiO2 nanotubes with different nanotube diameters grown by a self-ordering process and subsequently treated with supercritical CO2 (ScCO2) fluid.We find that highly hydrophilic as-grown TiO2 nanotubes become hydrophobic after the ScCO2 treatment but can effectively recover their surface wettability under UV light

Determination of water,silanol,and strained siloxane on

The adsorption and reaction of a titanate coupling reagent on the surfaces of different nanoparticles in supercritical CO2.Journal of Colloid and Interface Science 2006,304 (1) Determination of hydroxyl groups and/or water on the surface of oxide catalysts by a pulse chromatographic method. Adhesion of Polymers and Adsorption on Glass Corrosion behavior of Alloy 625 in supercritical water May 01,2012 Adhesion of Oxides Grown in Supercritical Water on#0183;Supercritical water reactors (SCWRs) are classified as one of the Generation IV reactors,and they operate above the thermodynamic critical point (374 Adhesion of Oxides Grown in Supercritical Water on#176;C and 22.1 MPa) of water.A preliminary design of an SCWR revealed an operating pressure of 25 MPa and a coolant temperature of up to 620 Adhesion of Oxides Grown in Supercritical Water on#176;C at the core outlet ( A Technology Roadmap for Contact Angle of Water on Polystyrene Thin Films Effects Aug 09,2007 Adhesion of Oxides Grown in Supercritical Water on#0183;We examine the contact angle of water droplets on polystyrene (PS) thin films of varying thicknesses supported by silicon wafers under both air and pressurized carbon dioxide (CO2) environments.At 23 Adhesion of Oxides Grown in Supercritical Water on#176;C,the contact angle is found to increase upon increasing CO2 pressure in the vapor regime and then levels off in the liquid CO2 regime.A macroscopic model based on Young's equation

Cited by 8Publish Year 2011Author James R.WolfThe characterization of oxide scales formed on ferritic

Sep 01,2020 Adhesion of Oxides Grown in Supercritical Water on#0183;The data in Fig.1 indicates the weight gain of P92 steel in SCW under 25 MPa at 600700 Adhesion of Oxides Grown in Supercritical Water on#176;C.The experimental data points have been fitted by using Eq.1.[10,20,21].(1) w = k 0 e x p-E R T t n = k p t n where w is the weight gain of alloys per unit area,k p and k 0 are the oxidation rate constants,E is the activation energy for oxidation,R is the ideal gas constant,T is the Cited by 1Publish Year 2017Author D.Artymowicz,C.Bradley,B.Xing,R.C.NewmanAnalyses of oxide films grown on Alloy 625 in oxidizing Dec 01,2008 Adhesion of Oxides Grown in Supercritical Water on#0183;The oxide films grown on Alloy 625 in oxidizing supercritical water were duplex structure consisting of an outer layer of loose and large-grain oxides and an inner layer of fine-grain oxides.The duplex oxide layer was identified to be Ni(OH) 2 /NiO/NiCr 2 O 4 /Cr 2 O 3 /Alloy 625 from outer to inner layer.Cited by 108Publish Year 2008Author Mingcheng Sun,Xinqiang Wu,Zhaoen Zhang,En-Hou HanSupercritical Water Reactor - Nuclear Energy Encyclopedia The full text of this article hosted at iucr is unavailable due to technical difficulties.

Characterization of oxide scales grown on alloy 310S

The oxide scale grown of static capsules made of alloy 310S stainless steel was investigated by exposure to the supercritical water at 500 Adhesion of Oxides Grown in Supercritical Water on#176;C 25 MPa for various exposure times up to 20,000 h.Characterization techniques such as X-ray diffraction,scanning/transmission electron microscopy,energy dispersive spectroscopy,and fast Fourier CHAPTER 3 Characterisation of Thermal Oxide Scales on This chapter aims at reviewing the characterisation techniques that are commonly used for high temperature oxidation study,especially on stainless steels.In addition,the experimental studies about the high temperature oxidation i.e.thermogravimetric method and chromium volatilisation measurement are explained.The various kinds of characterisation techniques for physico-chemical and Author Zhongliang Zhu,Ruitao Li,Xiao Liu,Hasan Izhar Khan,Hong Xu,Naiqiang ZhangPublish Year 2020A comparative study of oxide scales grown on stainless May 01,2016 Adhesion of Oxides Grown in Supercritical Water on#0183;1.Introduction.The Canadian supercritical water-cooled reactor (SCWR) concept being developed under Canadas Generation IV National Program ,,,requires the selection of candidate fuel cladding alloys that can withstand the peak cladding temperature,which could reach 800 Adhesion of Oxides Grown in Supercritical Water on#176;C.The operating conditions in an SCWR core include high temperature and pressure,and radiation flux.

Application of the Micro-Tensile Testing to Investigate

A micro-tensile testing has been developed to investigate the adhesion behaviour of the oxide scale thermally grown on AISI 441 stainless steel sheet oxidised at 800 Adhesion of Oxides Grown in Supercritical Water on#176;C in different atmospheres - synthetic air and water vapour.In the test,a sample was placed in a tensile testing machine sitting in the chamber of a scanning electron microscope at room temperature.Analyses of oxide films grown on Alloy 625 in oxidizing Morphologies,microstructures and chemical composition of oxide films grown on Alloy 625 at 400 Adhesion of Oxides Grown in Supercritical Water on#176;C,450 Adhesion of Oxides Grown in Supercritical Water on#176;C and 500 Adhesion of Oxides Grown in Supercritical Water on#176;C in oxidizing supercritical water containing 2.0% H2O2 were investigated using Analyses of oxide films grown on AISI 304L stainless steel Supercritical water (SCW) is being considered as a cooling medium for the next generation nuclear reactors because it provides high thermal efficiency and plant simplification.However,materials corrosion has been identified as a critical problem due to the oxidative nature of supercritical water.Thus,for safety using of these nuclear reactor systems a systematic study of candidate

Amir Mostafaei Illinois Institute of Technology

A comparative study of oxide scales grown on stainless steel and nickel-based superalloys in ultra-high temperature supercritical water at 800 Adhesion of Oxides Grown in Supercritical Water on#176;C.Corrosion Science,Adhesion of Oxides Grown in Supercritical Water on Request PDF Adhesion of Oxides Grown in Supercritical Water on Selected Austenitic Alloys.A series of austenitic alloys (800H,H214,I625,310S and 347) were exposed to supercritical water at Adhesion of Oxides Grown in Supercritical Water on Mar 01,2017 Adhesion of Oxides Grown in Supercritical Water on#0183;A series of austenitic alloys (800H,H214,I625,310S,and 347) with different surface finishes were exposed to supercritical water (SCW) at 550 Adhesion of Oxides Grown in Supercritical Water on#176;C and 2.5 Adhesion of Oxides Grown in Supercritical Water on#215; 10 7 Pa for 120 h,260 h,and 450 h in a static autoclave with an initial level of dissolved oxygen of 8 ppm.Indentation with a hardness indenter was used for assessment of oxide adhesion.

Adhesion Between Thin Cylindrical Shells With Parallel

Apr 14,2010 Adhesion of Oxides Grown in Supercritical Water on#0183;Adhesion of Oxides Grown in Supercritical Water on Selected Austenitic and Ferritic/Martensitic Alloys ASME J of Nuclear Rad Sci (April,2017) Erratum A Momentum Transfer Measurement Technique Between Contacting Free-Falling Bodies in the Presence of Adhesion [ Journal of Applied Mechanics,2008,75(1),p.011016 ](PDF) Characterization of oxide films grown on 316L Characterization of oxide films grown on 316L stainless steel exposed to H 2O 2-containing supercritical water August 2007 Journal of Supercritical Fluids The 42(1):157-163

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