Brajendra Mishra

Brajendra Mishra
Worcester Polytechnic Institute | WPI

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305
Publications
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4,239
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Publications

Publications (305)
Article
Full-text available
The use of cold spray deposition, coupled with diffusion-driven thermal postprocessing, is considered herein as a surface modification process such that near-surface microstructural, micromechanical, and microchemical property improvements can be procured for cost-effective and common aluminum alloy castings. Since the present work was an explorato...
Article
Full-text available
The corrosion properties of Fe-Cr-Mn-C-N high interstitial austenitic stainless cast steels were investigated for down-hole application in sour environments. The two cast alloys contained 0.66% and 0.71% of total nitrogen and carbon. The corrosion properties of the alloys that were solution-treated and fast-cooled were directly responsible for high...
Article
High-pressure die-cast (HPDC) AlSi10MnMg (AA365) has been widely used in the manufacturing of automotive components because it has excellent castability, is lightweight, and possesses good mechanical strength. In particular, this alloy must be capable of withstanding long-term exposure to high temperatures in order for these automobile parts to be...
Article
This research focused on the recovery of valuable materials from ferrous grinding swarf. We received the sample from the automobile industry. The sample has consisted of approximately 20 wt% moisture and 80 wt% residue (oil and soild). The chemical composition of the oven-dried sample was approximately 87 wt% iron. In this study, aqueous washing pr...
Article
High interstitial Fe–Cr–Mn–C–N stainless steels, CN66 (0.38 wt% N + 0.28 wt% C) and CN71 (0.44 wt% N + 0.27 wt% C), were cast under atmospheric pressure to develop a new drill collar for use in petroleum industry. To evaluate the corrosion property, CN66 and CN71 were compared with high-Mn stainless steel, P550, which is currently being used as a d...
Article
Cold spray has been identified as having Cu coatings with greater antimicrobial properties than that of other additive manufacturing techniques. The addition of nano- agglomerate Cu powder to the cold spray process to form nanomaterial coatings has shown an increase in antimicrobial efficiency, as compared to conventional Cu, in the contact killing...
Article
The recovery of valuable metals from electronic waste has attracted a great deal of attention recently in the field of recycling. The recovery process for metal resources present within flue dust from e-waste to obtain valuable metals, such as Cu, by both physiochemical and electrical processes has been investigated. The flue dust was generated dur...
Article
The flue dust generated during the processing of e-waste is valuable as a secondary metal resource. In this study, a process of selective metal recovery from flue dust through the magnetic separation and the leaching process were developed. All the experiments were carried out at atmospheric pressure below 60°C. A continuous four-step process was c...
Chapter
Europium is vital to the production of high technology products. In recent years, the worldwide market for europium has been controlled by primary sources in China. However, recycling europium from waste fluorescents is a strategy to supply europium. Waste phosphor powder is recovered from recycled lamps and retorted, sieved, and leached to produce...
Article
Full-text available
Gravimetric, chemical, and mineralogical analyses of a gold-bearing gravity concentrate have been performed. Intensivecyanidation process of the concentrate was carried out in the presence of an organic reagent, while the concentration of sodium cyanide was changed in a drum-type reactor. The use of a reagent activator increased the gold extraction...
Article
The disposal of aluminum bearing dust can cause heat and gases, as well as the potential generation of leachate from landfills. In this research, we suggested a two-step process - leaching and precipitation - for recovering gibbsite from secondary aluminum production dust. First, a sodium aluminate solution, containing about 20 g/L of aluminum, was...
Article
As electronic waste (e-waste) is increasing, its by-products such as flue dust and wastewater, which are generated during its treatment process, are also increasing. In this study, the fine material generated in the processing of e-waste by both mechanical and thermal methods was investigated for the effective recovery and separation of valuable me...
Article
This article presents the results of the high-temperature hydrolysis process of FeCl2×4H2O and the study of iron oxide powder properties produced. It is observed that the process has a topochemical character and proceeds in a diffusion zone. Conditions sufficient for practically complete decomposition of FeCl2×4H2O are a temperature in the range of...
Article
Fine materials, such as flue dust, generated during processing of electronic waste (e-waste) contain valuable metal resources, such as Au and Ag. However, recovery of valuable metals from this flue dust has not been extensively studied. In this study, a leaching process was investigated for effective recovery of Au and Ag from flue dust. In particu...
Article
Recycling metals from fine industrial waste streams is important since natural resources could be conserved, as well as environmental problems due to the waste disposal could be alleviated. Metal producers and manufacturing facilities are generating off-gas, which contains a large amount of dust. Therefore, dust collection systems, such as baghouse...
Article
The residual stresses with different heat treatment conditions have been measured and correlated with the microstructural behavior of AA365. 30 and 100 K/min cooling of AA365 inhibited the transformation of precipitates under 773 K, respectively. The alloy cooled at 30 and 100 K/min exhibited tensile residual stresses of 6.2 and 5.4 MPa, respective...
Chapter
Nearly the entire worldwide production of europium is recovered, as a minor constituent, from mining bastnäsite, monazite ore, or ion absorbing clays. However, this research indicates a process to recycle europium from waste lamp phosphors as a strategy meet the demand for europium. In this process, waste fluorescent lamp powder is retorted, sieved...
Article
The mechanical properties of AA365, an Al–Si–Mn–Mg alloy used in high-pressure die-casting of automotive parts, can be optimized for a proper application using different heat treatments. During a die-casting process including heat treatment, aluminum alloy cast components experience considerable changes in their mechanical properties due to the non...
Article
Full-text available
The electrochemical behavior of platinum in a hydrochloric acid solution under polarization by an industrial-scale alternating current has been investigated. For the electrical dissolution of platinum, titanium is used as an auxiliary electrode, which increases the yield of platinum dissolution by 12.5 pct. The influence of the concentration of hyd...
Article
A flue dust that contains valuable metals is generated during smelting operation for e-waste treatment. However, metal recovery from this flue dust has not been extensively studied. The flue dust can contain valuable metals such as gold, silver, copper, and iron. In this study, the flue dust from e-waste was investigated as the potential metal reso...
Article
Purpose Inorganic oxide addition can be synergistically beneficial in organic coatings, if it can impart anti-corrosion properties and also as an additive to enhance physical and/or chemical properties. The aim of this study was to evaluate the anti-corrosion benefits of nano nickel zinc ferrite (NZF) in the polymer film. Design/methodology/appro...
Article
In this research, the electrochemical impedance spectroscopy study was conducted on graphene/polyvinyl butyral nanocomposite coatings. Functionalized graphene used in this study was produced by Haydale’s plasma modification process involved different gasses or their mixer such as argon, fluorine, and oxygen. The presence of porous bounded Warburg a...
Article
Two types of Fe-Cr-Mn-C-N steels (CN66, CN71) were developed and investigated for down-hole applications. Results of the experiments were used to identify statistically significant metallurgical factors and to predict the mechanical properties of CN66 and CN71. The three factors involved in the study were cooling rate (air or water), carbon and nit...
Article
Bayer’s process revolutionized the extraction of aluminum from the bauxite ores. However, the hydrothermal extraction of alumina is associated with the generation of a byproduct, red-mud consisting of undissolved solids composed of iron oxides, sodium alumino silicates, titania, silica and rare earth elements. The accumulation of red-mud (or bauxit...
Chapter
Red-mud, the residue generated from the Bayers processing of bauxite ore in Jamaica was subjected to a low temperature reduction process. Hematite (~60 m%) was reduced to magnetite employing a gas based mixture of CO, CO2 and N2 as a diluent. Extensive thermodynamic study was conducted to identify the stability region for magnetite. ‘Optimal condit...
Chapter
Europium is a critical material required for LED, florescent lamp, cell phone screen, and flat panel display production. This process recycling europium from waste lamp phosphors is an innovative method to supply europium for high technology applications. Waste phosphor powder from recycled lamps is retorted, sieved, and leached to produce a europi...
Article
This study deals with the evaluation of self-healing ability of conducting polymer corresponding to a corrosion process. Poly ortho-anisidine (PoA) was doped with Phosphomolybdic acid (PMA) and Tungstosilicic acid (TSA) and incorporated in polyvinyl butyral (PVB) coatings. The self-healing abilities of coatings were evaluated using open circuit pot...
Poster
Full-text available
This poster outlines the successful global collaboration in Resource Recovery and Recycling. It is an NSF based consortium of Worcestor Polytechnic Insititute, Colorado School of Mines, KU Leuven and the University of Tokyo along with multiple sustaining global industrial entities.
Article
High Interstitial Fe-Cr-Mn-C-N stainless steels, CN66 (C+N = 0.28+0.38 wt.%) and CN71 (C+N = 0.27+0.44 wt.%), were produced in an induction melting furnace and cast in air atmosphere. The abrasive wear resistance of CN66 and CN71 was investigated as a function of heat treatment conditions, subsequent to casting. The wear rate of CN66 decreased from...
Conference Paper
Stainless steel alloys were made in the present study for application in Qatar gas wells which contain significant amounts of sour acid gas, a very corrosive environment. The alloys made in the present project contain very small amounts of nickel compared to the commercial available high-nickel alloys. In the present work, nickel is replaced with t...
Article
The recovery and utilization of metals from wastes are important for saving metal resources, as well as for protecting the environment. There are various types of solid wastes that have different origins and forms. Elemental and mineralogical composition of the wastes depends on the industry where they come from; therefore, the recovery processes f...
Article
The mechanical and corrosion properties of air/water-quenched CN66 (0.28/0.38 wt pct, C/N) and CN71 (0.27/0.44 wt pct, C/N) steels after heat treatment were investigated. The carbon condensed area of the water-quenched alloys decreased compared with the air-cooled alloys, and lattice expansions occurred, resulting in a strained region. The values o...
Article
Full-text available
The aim of this study was to evaluate the use of iron-nickel oxide (Fe_2O_3.NiO) nanopowder (FeNi) as an anti-corrosion pigment for a different application. The corrosion protection ability and the mechanism involved was determined using aqueous solution of FeNi prepared in a corrosive solution containing 3.5 wt.% NaCl. Anti-corrosion abilities of...
Book
Topics covered in this collection include the following: *Enabling & Understanding Sustainability - Ferrous & Non-ferrous Metals Processing *Understanding & Enabling Sustainability - (Rechargeable) Batteries *Enabling & Understanding Sustainability - Rare Earth Element Applications *Enabling & Understanding Sustainability - Building Materials & Sla...
Chapter
The extraction of metals from a primary or a secondary resource is achieved by pyrometallurgy and hydrometallurgy. Currently, most of metal production plants consist of both pyrometallurgical and hydrometallurgical processes. Dust generation during the processes is one of the disadvantages of pyrometallurgical plants. Therefore, dust collection sys...
Chapter
The extraction of metals from a primary or a secondary resource is achieved by pyrometallurgy and hydrometallurgy. Currently, most of metal production plants consist of both pyrometallurgical and hydrometallurgical processes. Dust generation during the processes is one of the disadvantages of pyrometallurgical plants. Therefore, dust collection sys...
Book
With impending and burgeoning societal issues affecting both developed and emerging nations, the global engineering community has a responsibility and an opportunity to truly make a difference and contribute. The papers in this collection address what materials and resources are integral to meeting basic societal sustainability needs in critical ar...
Article
Full-text available
A study was carried out on the effectiveness of sulfuric acid leaching of hot calcine, obtained as a result of reductive roasting of the manganese ore from Karamola deposit. Experimental parameters, such as temperature, time, pulp ratio (ratio of Liquid to Solid) and concentration of acid were studied. Optimum parameters of manganese-electrolysis-p...
Article
Time-dependent electrochemical properties of graphene nanoplatelets (GP) and self-crosslinked polyvinyl butyral (PVB) composites are discussed. Electrochemical experiments in chloride medium revealed that GP offers short-term excellent protection from the physico-chemical mechanisms operating within the barrier. For longer periods of time, corrosio...
Article
Full-text available
In the present study, the effect of bonding temperature on phase transformation of diffusion-bonded joints of duplex stainless steel (DSS) and Ti-6Al-4V (Ti64) using simultaneously both nickel (Ni) and copper (Cu) interlayers was investigated in the temperature range of 1148 K to 1223 K (875 °C to 950 °C) insteps of 25 K (25 °C) for 60 minutes unde...
Article
Full-text available
This study focuses on evaluating the conversion of cerium oxide and neodymium oxide into their chlorides through the carbochlorination process. The experiments were completed inside a quartz reactor, and the % conversion was determined by performing a water leach to dissolve the soluble chloride phases present and leave behind the insoluble unreact...
Article
Experimental and mathematical modeling work has been conducted to develop an effective technological scheme for processing lead-containing dusts generated in copper smelting. The work incorporates conditions of melting, charge composition, and the physical parameters of the dust. The optimal conditions of electrosmelting have been established for c...
Article
There has been increased interest in using graphene oxide (GO) in various industrial applications such as working fluids, lubricants, oil and gas fields, heavy metal removal from water, anticorrosion paints and coatings etc. We studied electrochemical properties of steel in the presence of suspended GO in saline media. GO suspension has been charac...
Article
There have been increased interests in using nanoparticle-based anticorrosion pigments in various industrial applications such as working fluids, lubricants, oil and gas fields, cooling water, anticorrosion coatings etc. In this article, nano-nickel ferrite used as corrosion inhibitor pigment for carbon steel in 1 M sulphuric acid and 3.5% NaCl sol...
Article
A low-temperature, low-energy method for recovering all the valuable, economically viable, components from the spent lithium-ion batteries has been developed which has allowed the determination of pathways for complete recycling of the battery. Lithium present in the electrolyte has been selectively leached from lithium-ion batteries. Leaching cond...
Article
Full-text available
Microbially influenced corrosion (MIC) is a costly problem that impacts hydrocarbon production and processing equipment, water distribution systems, ships, railcars, and other types of metallic infrastructure. In particular, MIC is known to cause considerable damage to hydrocarbon fuel infrastructure including production, transportation, and storag...
Article
Microbiologically influenced corrosion is not a distinct type of corrosion, but rather involves synergistic interaction of microorganisms with resulting biofilms and metabolic biogenic products that enhance corrosion processes. Therefore, it is important to obtain insights about the nature of the biogenic products resulting from microbial metabolic...
Article
Recent field reports have suggested that microbiologically influenced corrosion (MIC) is occurring at biologically favorable sites in equipment handling ethanol fuels. Recent laboratory corrosion testing has demonstrated the susceptibility of engineering alloys to corrosion in ethanol solutions containing microbes cultivated from an ethanol fuel te...
Article
The slow strain rate (SSR) test is a quick and simple method that is used to gauge the susceptibility of metals to stress corrosion cracking (SCC). This research uses the SSR method to study the effect of prior cold-work of API 5CT P110 martensitic casing and tubing steel on stress corrosion cracking (SCC). Two cold-work processes were used, namely...
Chapter
Direct acid leaching of rare earth metals (REMs) from waste lamp phosphors is non-selective, leading to co-dissolution of impurities mainly calcium, phosphorus, silicon, iron and zinc. Calcining the phosphor powder at different temperatures followed by leaching with HCl isn’t efficient for the extraction of all the chief rare earths especially ceri...
Chapter
Rare earths metals, including yttrium and scandium, are being increasingly used in clean energy technologies, colored phosphors, lasers and high intensity magnets. The commitment to clean energy technologies by governments and the projected growth in power and transportation sectors across the globe ensure that the demand for rare earth metals and...
Chapter
With impending and burgeoning societal issues affecting both developed and emerging nations, the global engineering community has a responsibility and an opportunity to truly make a difference and contribute to a sustainable future. A view of sustainability from the perspective of materials and resources encompasses two interdependent aspects: the...
Article
Full-text available
The paper presents the results of a study of vanadium xerogel synthesized by sol-gel method. It shows that, during the aging process in gel formation, a layered fibrous chain structure of V-O occurs at the nanoscale. Highly anisotropic particles, similar in size to the “tapes” of vanadium oxide gel, were found on the surface of partially ordered la...
Article
Full-text available
A new recycling technology has been studied in this work to produce magnesium chloride from wastes generated in chrysotile asbestos production. The steps include enrichment of raw material by sizing, leaching of magnesium with hydrochloric acid, purification of solution from impurities of iron and nonferrous metals, and the production of magnesium...
Article
Using Faraday Method of magnetic scale, it was found that magnetic pyrrhotites are formed during roasting of pyrite. When temperature increases up to 220°, magnetic permeability of pyrrhotites, Fe0.855S, Fe0.888S and Fe0.909S, dramatically increase, then falls to zero when temperature is increased further to 310–320°. At temperatures above 570°, an...
Article
Corrosion inhibitors are widely used in acid solutions during pickling, cleaning/descaling of boilers and several other industrial applications. Mostly the organic compounds containing N, O and S are employed; however they are high toxic and environmentally non-friendly. In this study, the inhibition performance of nano-powder of ferrites of Ni, Zn...
Article
TMS initiated cooperative agreements with several organizations that actively worked to benefit the materials science community in an effort to automate its manufacturing processes needed for high-quality materials. A controlled rotary feeder (CRF) was developed at the Center for Resource Recovery and Recycling (CR), which enabled intelligent sorti...
Article
Full-text available
In the present study, corrosion behavior of diffusion bonded joints formed between micro-duplex stainless steel (MDSS) and Ti6Al4V alloy (TiA) (at 900 °C for 60 min under 4 MPa uniaxial pressure in vacuum) was investigated in 1 mol/L HCl and 1 mol/L NaOH solutions using various electrochemical measurements such as open circuit potential (OCP), elec...
Article
In the present study, the microstructure and strength properties of diffusion bonded joints of duplex stainless steel (SS) to Ti alloy (TiA) with and without nickel alloy (NiA) as an intermediate material was investigated in the temperature range of 800-950°C for 60 mins in vacuum. In the case of directly bonded stainless steel and titanium alloy,...
Article
Full-text available
An investigation was carried out on the solid-state diffusion bonding between Ti-6Al-4V (TiA) and 304 stainless steel (SS) using pure nickel (Ni) of 200-mu m thickness as an intermediate material prepared in vacuum in the temperature range from 973 K to 1073 K (700 A degrees C to 800 A degrees C) in steps of 298 K (25 A degrees C) using uniaxial co...
Article
Solid state diffusion bonded joint between titanium and 17-4 precipitation hardening stainless steel was carried out in the temperature range of 800-1050°C in steps of 50°C for 30 min and also at 950°C for 30-180 min in steps of 30 min under a uniaxial pressure of 3.5 MPa in vacuum. Bonded samples were characterised using light microscopy, field em...
Article
Full-text available
The interface microstructure and strength properties of solid state diffusion bonding of microduplex stainless steel (MDSS) to Ti alloy (TiA) with and without a Ni alloy (NiA) intermediate material were investigated at 1173 K (900 °C) for 0.9 to 5.4 ks in steps of 0.9 ks in vacuum. The effects of bonding time on the microstructure of the bonded joi...
Article
Microbiologically influenced corrosion (MIC) is a major problem that impacts crude oil production, transportation and storage infrastructures. Indigenous microorganisms that naturally reside in oil reservoirs are able to induce localized changes in the aqueous environment and lead to catastrophic damages. The study herein applies molecular techniqu...
Article
Drill pipe steels are in contact with CO2 and H2S environments, depending on the oil and gas field. These steels have to be resistant to various in-service conditions including aggressive environments containing CO2, H2S, O2, and chlorides, in addition to static and dynamic mechanical stresses. In this respect stress corrosion cracking susceptibili...
Article
It has been accepted that corrosion protection systems and non-destructive inspection methods produce remnant magnetic fields (RMF) to pipeline steel. The present study investigates the influence of remnant magnetic fields inducted by these tools on microbiologically influenced corrosion (MIC) by a sulfate reducing bacteria (SRB) consortium. The co...
Article
The aim of this work is to investigate the effect of plastic deformation on the corrosion susceptibility of casing and tubing steels; i.e., API 5CT K-55 and P-110. The steels were cold-rolled to obtain a reduction in thickness of 10%, 20% and 30%, and tested in synthetic formation water purged with COCO2gas. The corrosion behavior and the evolution...
Article
Rare earths metals, including yttrium and scandium, are being increasingly used in clean energy technologies, colored phosphors, lasers and high intensity magnets. There are important defense applications such as fighter jet engines, missile guidance systems and space based satellite and communication systems, based on these metals. The commitment...
Article
Full-text available
The influence of a commonly used antibacterial mouth rinse, Listerine, on the corrosion behavior of one of the commonly used titanium alloys Ti6Al4V (two-phase structure, i.e., α and β) and a newer Ti15Mo (single β phase) in normal saline solution has been investigated using electrochemical techniques. Interfacial electrochemical changes occurring...
Article
Full-text available
In the current study, solid-state diffusion bonding between Ti-6Al-4V (TiA) and 304 stainless steel (SS) using pure nickel (Ni) of 200-μm thickness as an intermediate material was carried out in vacuum. Uniaxial compressive pressure and temperature were kept at 4 MPa and 1023 K (750 °C), respectively, and the bonding time was varied from 30 to 120...
Article
Due to typically low concentrations of uranium, chemical complexity, and the varying nature of many uranium ores, the economic recovery of uranium often poses difficulty for the extractive industry. Physical concentration techniques (flotation, gravitational, electromagnetic, etc.) have been met with only limited success for uranium. The methods us...
Article
TMS has forged cooperative agreements with several carefully selected organizations that actively work to benefit the materials science community. In this occasional series, JOM will provide an update on the activities of these organizations. This installment, by the Center for Resource Recovery & Recycling (CR3), focuses on recycling end-of-life r...
Article
Interfacial reactions and strength properties of diffusion bonded joints between Ti64 alloy (Ti64) and 17-4 precipitation hardening stainless steel (PHSS) using a nickel alloy (NiA) as an interlayer was carried out in the temperature range of 800-900 degrees C in steps of 25 degrees C for 45 min and at 900 degrees C for 5, 10, 15, 30 and 45 min in...
Article
During oil and gas operations, pipeline networks and associated infrastructures are subjected to different corrosion deterioration mechanisms, one of which is microbiologically influenced corrosion (MIC). MIC results from accelerated deterioration initiated by different microbial activities present in oil and gas systems. This paper provides a revi...
Article
In the present study, the joining of interstitial free steel and commercial pure aluminium was carried out by friction stir welding (FSW) technique using tool rotational speeds of 600, 900, 1200 rpm and traverse speed of 100 mm/min. The microstructure and micro-hardness of the weld interface have been investigated. Optical microscopy was used to ch...