microstructural and passivation response of severely


Microstructural and Passivation Response of Severely

Microstructural and Passivation Response of Severely

Oct 08, 2020 · The present study investigates the microstructural and passivation behavior of surface mechanical attrition treated (SMAT) AISI 304 stainless steel in a 0.6 M NaCl solution at room temperature. SMAT process, which is more advanced than the classical shot-peening, causes 2-3 times improvement in surface hardness of the steel.sp.info Assessment of microstructural and electrochemical Nov 05, 2017 · Assessment of microstructural and electrochemical behavior of severely deformed pure copper through equal channel angular pressing. Some important characters concerned with the passivation behavior of metals and alloys in certain media, are obtained by the PDP curves. thus semiconducting response of the passive films is an important sp.info Microstructure and Tribological Response of Selective Apr 12, 2021 · The microstructure of heat-treated/annealed and severely surface deformed SLM steel is investigated using an optical microscope, scanning electron microscope (SEM), electron backscatter diffraction (EBSD), and nanoindentation methods. Ball-on-disc type dry reciprocating wear test is conducted to study the tribological behavior of the steel.sp.info Microstructural evolution in copper subjected to The evolution of microstructure and the mechanical response of copper subjected to severe plastic deformation using equal channel angular pressing (ECAP) was investigated.


			
Santosh S. Hosmani's lab Indian Institute of

Santosh S. Hosmani's lab Indian Institute of

The present study investigates the microstructural and passivation behavior of surface mechanical attrition treated (SMAT) AISI 304 stainless steel in a sp.info Mineralogical and microstructural response of Dec 30, 2019 · The results of mineralogical, microstructural and geochemical changes of the hydrated cement blends due to leaching and carbonation attack can be summarized as follows:(i) a leached layer and pervasive cracks of variable thickness and length developed around the specimen‘s surface, (ii) portlandite transformed into calcite (±vaterite) and very often a thin sp.info Alok SINGH Chief Researcher B. Eng., M. Tech., The present study investigates the microstructural and passivation behavior of surface mechanical attrition treated (SMAT) AISI 304 stainless steel in a sp.info A Study on Passive and Electrochemical Response of Pure Jun 11, 2018 · Hence, under a severe plastic deformation condition, a grain refining regime similar to aluminum is expected in nickel (Ref 5). Recently, some severe plastic deformation (SPD) processes such as equal channel-angular pressing (ECAP) (Ref 6 , 7 ), high-pressure torsion (HPT) (Ref 8 , 9 ), and accumulative roll bonding (ARB) (Ref 10 ) have received much


			
Santosh HOSMANI Professor (Associate) B.E.

Santosh HOSMANI Professor (Associate) B.E.

The present study investigates the microstructural and passivation behavior of surface mechanical attrition treated (SMAT) AISI 304 stainless steel in a sp.info Tribo-corrosion response of additively manufactured Jun 11, 2021 · The superior tribo-corrosion resistance of AM-ed CoCrFeMnNi was attributed to the refined microstructure and highly protective surface passivation layer promoted by the sub-grain cellular structuresp.info ‪Dudekula Althaf Basha‬ - ‪Google Scholar‬2017. Microstructural and Passivation Response of Severely Deformed AISI 304 Steel Surface:The Role of Surface Mechanical Attrition Treatment. D Singh, DA Basha, A Singh, RS Devan, SS Hosmani. Journal of Materials Engineering and Performance 29 (10), 6898-6911.sp.info (PDF) Corrosion Behaviour of Ultra Fine Grained ium Microstructural and Passivation Response of Severely Deformed AISI 304 Steel Surface:The Role of Surface Mechanical Attrition Treatment Article Full-text available


			
‪Rupesh Devan‬ - ‪Google Scholar‬

‪Rupesh Devan‬ - ‪Google Scholar‬

Microstructural and Passivation Response of Severely Deformed AISI 304 Steel Surface:The Role of Surface Mechanical Attrition Treatment D Singh, DA Basha, A Singh, RS Devan, SS Hosmani Journal of Materials Engineering and Performance 29 (10), 6898-6911 , 2020sp.info Influence of characteristic eutectic free microstructure The microstructural evolution free from characteristic structure due to interfacial reaction is a key factor in improving failure strain in SPSed hypereutectic Al-Si. The finer reacted Si in SPSed microstructure prevents exhaustion of local ductility by imparting strain delocalisation, which in turn improves the ability of strain hardening and enhances the ductility.sp.info Temperature dependence of mechanical properties in Jan 31, 2011 · I. INTRODUCTION. Microstructural and dimensional constraints in polycrystalline thin films strongly influence their mechanical properties. Reference Arzt, Dehm, Gumbsch, Kraft and Weiss 1, Reference Dehm, Balk, von Blanckenhagen, Gumbsch and Arzt 2 Small grain sizes and film thicknesses lead to high stresses at low temperatures due to the confinement of either sp.info High Performance HFET Devices on Sapphire and SiC High Performance HFET Devices on Sapphire and SiC:Passivation with AlN Jennifer A. Bardwell, Ying Liu, James B. Webb, Haipeng Tang, Stephen J. Rolfe and Jean Lapointe National Research Council Canada, Institute for Microstructural Sciences, Ottawa, ON, K1A 0R6, Canada ABSTRACT AlGaN/GaN two dimensional electron gas (2DEG) heterostructures were


			
Effect of ultrasonic shot peening duration on

Effect of ultrasonic shot peening duration on

May 01, 2020 · This variation is believed to be due to the difference in duration of USSP treatment of cp-Ti. Jindal et al. reported that the cell response increase by 10% on shot peening, accompanied with severe increase in corrosion rate (about 327%). It is to be noted that the cell lines used in two studies are different, and the observed discrepancy might sp.info Tribological behavior of NiTi alloy processed under Jan 01, 2020 · It showed lower erosion-corrosion resistance compared to pure erosion conditions highlighting positive contribution from micro-galvanic cell activity. The better corrosion and passivation resistance of the water quenched NiTi alloy facilitate better erosion-corrosion and wear resistance performed under a 3.5% NaCl solution. 5. Conclusionsp.info Acta Metallurgica Sinica (English Letters) Online first Aug 09, 2021 · An Ultra-High Strength Over 700 MPa in Al-Mn-Mg-Sc-Zr Alloy Fabricated by Selective Laser Melting. Authors (first, second and last of 5) Hao Tang. Yaoxiang Geng. Zhijie Zhang. Content type:OriginalPaper. Published:30 July 2021.sp.info Corrosion of Metallic Biomaterials:A ReviewJan 28, 2019 · 1. Introduction. Biomaterials are commonly defined as nonviable materials intended to interface with biological systems to evaluate, treat, augment or replace any tissue, organ or function of the body [].Before a new biomaterial is introduced to the market, various issues are considered, including its designated anatomic location, functional tissue structure


			
Surface degradation mechanisms in a eutectic high entropy

Surface degradation mechanisms in a eutectic high entropy

Apr 12, 2019 · Phase-specific response in the eutectic was quantified using SKP microscopy to relate the electronegativity to the electrochemical and sp.info First-Principles Modeling of the Repassivation of Nov 03, 2021 · microstructural details will significantly modify the eventual proper-ties, including corrosion resistance, of commercially developed, engineering-applicable CRAs. We plan to address the factors introduced by microstructural complexity, as well as surface segregation phenomena, in future advancements of this approach.sp.info Using hematite for photoelectrochemical water splitting:a Using hematite for photoelectrochemical water splitting:a review of current progress and challenges. Andebet Gedamu Tamirat a, John Rick a, Amare Aregahegn Dubale a, Wei-Nien Su b and Bing-Joe Hwang * ac a NanoElectrochemistry Laboratory, Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 106, Taiwan.sp.info (PDF) Use of eddy current testing method in detection and The EC response at diVerent test frequencies and depth of penetration for an as-aged specimen (973 K/ 0.5 h) is shown in Fig. 1. The frequency response reached a maximum at 160 kHz and the depth of penetration of EC at this frequency was about 1.0 mm. In view of this, 160 kHz was chosen as the optimum testing frequency.


			
Publications (Research journal and conference papers)

Publications (Research journal and conference papers)

“Corrosion Passivation in Natural Seawater of Aluminum Alloy 1050 Processed by Equal-Channel-Angular-Press” Int. J. Electrochem. Sci., 7 (2012) 2846 – 2859. 15. Magdy ElRayes, Ehab El-Danaf, “The influence of multi-pass friction stir processing on the microstructural and mechanical properties of Aluminum Alloy 6082” Journal of Materialssp.info International Journal of Minerals, Metallurgy and MaterialsInternational Journal of Minerals, Metallurgy and Materials (IJMMM, ISSN 1674-4799, CN 11-5787/TF, monthly, started in 1994, formerly known as Journal of University of Science and Technology Beijing) is an international journal devoted to publishing original research articles (and occasional invited reviews) on all aspects of minerals processing, physical metallurgy, process sp.info TMS 2008 Annual Meeting & ExhibitionTMS 2008:Technical Program Emerging Materials Symposium. 2008 Nanomaterials:Fabrication, Properties and Applications development, manufacture and application of sp.info Effects of Thermal Aging on Microstructure and The main response of the DL-EPR test is the degree sensitization, eed by the Ir/Ia ratio, where Ir is the peak current in the reactivation loop and Ia is the peak current in the activation loop. 3. Results and Discussion Figures 2a, 3a, 4a and 5a show the microstructures from the Stirred Zone of specimens un-aged, and aged for 200h,