Department of Metallurgical Engineering: Recent submissions

Now showing items 41-60 of 77

Electrical transport in two-phase mixtures

Tare, V.B. (Springer India, 1986-04)

There is considerable interest in the electrical transport in two-phase systems because of their possible technological applications. This paper describes the recent data obtained on the effect of different types of ...
Undercooling studies on dispersed bismuth droplets

Chaubey, S.; Singh, V.; Ramachandrarao, P. (Springer India, 987-11)

In the zinc-bismuth system, a monotectic reaction occurs at 689 K and 0·6 at.% Bi composition. Rapid solidification of the as-cast monotectic alloy led to a micromorphology in which bismuth was uniformly and bimodally ...
Local Composition Migration Induced Microstructural Evolution and Mechanical Properties of Non-equiatomic Fe40Cr25Ni15 Al15Co5 Medium-Entropy Alloy

Shivam, V.; Basu, J.; Manna, R.; Mukhopadhyay, N.K. (Springer, 2021-05)

A newly designed composition of non-equiatomic Fe40Cr25Ni15Al15Co5 medium-entropy alloy (MEA) was produced by induction melting (IM). The as-cast alloy was found to consist of a two-phase microstructure of BCC (2.87 ± 0.01 ...
Phase transformation, mechanical properties and corrosion behaviour of 304L austenitic stainless steel rolled at room and cryo temperatures

Singh, R.; Yadav, S.D.; Sahoo, B.K.; Choudhary, S.G.; Kumar, A. (Defense Scientific Information and Documentation Centre, 2021-05-17)

The present work investigates the effect of rolling (90% thickness reduction) on phase transformation, mechanical properties, and corrosion behaviour of 304L-austenitic stainless steel through cryorolling and room temperature ...
Co-introduction of precipitate hardening and TRIP in a TWIP high-entropy alloy using friction stir alloying

Wang, T.; Shukla, S.; Gwalani, B.; Sinha, S.; Thapliyal, S; Frank, M; Mishra, R.S (Nature Research, 2021-12)

Tuning deformation mechanisms is imperative to overcome the well-known strength-ductility paradigm. Twinning-induced plasticity (TWIP), transformation-induced plasticity (TRIP) and precipitate hardening have been investigated ...
Behavior of an indigenously fabricated transferred arc plasma furnace for smelting studies

Mandal, A.K.; Dishwar, R.K.; Sinha, O.P. (Institute of Physics Publishing, 2018-03-03)

The utilization of industrial solid waste for metal recovery requires high-temperature tools due to the presence of silica and alumina, which is reducible at high temperature. In a plasma arc furnace, transferred arc plasma ...
Evaluating location specific strain rates, temperatures, and accumulated strains in friction welds through microstructure modeling

Akram, J.; kalvala, P.R.; Jindal, V.; Misra, M. (China Ordnance Society, 2018-04)

A microstructural simulation method is adopted to predict the location specific strain rates, temperatures, grain evolution, and accumulated strains in the Inconel 718 friction welds. Cellular automata based 2D microstructure ...
Fe/Fe3O4 nanocomposite powders with giant high magnetization values by high energy ball milling

Ramya, V.; Gangwar, A.; Shaw, S.K.; Mukhopadhyay, N.K.; Prasad, N.K. (Springer, 2019)

The present work reports on the relatively higher saturation magnetization values of Fe/Fe3O4 nanocomposites. For example, the nanocomposites of Fe obtained after milling for 10 h with 5, 10 and 15 wt% of Fe3O4 had displayed ...
Phase evolution and thermal stability of mechanically alloyed CoCrCuFeNi high entropy alloy

Pandey, V.K.; Shivam, V.; Sarma, B.N.; Mukhopadhyay, N.K. (Institute of Physics Publishing, 2019)

A CoCrCuFeNi high entropy alloy (HEA) prepared by mechanical alloying (MA) exhibits evolution of two phases, a BCC phase (a = 0.287 ± 0.002 nm) and a small amount of FCC phase (a = 0.362 ± 0.002 nm) after 65 h of milling. ...
Feasibility of nickel extraction from Indian chromite overburden by solid state reduction and smelting route

Ganesh, P.; Dishwar, R.K.; Agrawal, S.; Mandal, A.K.; Sahu, N.; Sinha, O.P. (Technical Faculty in Bor, 2020)

The present work demonstrates the extraction of nickel from low-grade chromite overburden by using solid state reduction and direct smelting route. Goethite & Quartz are present as major phases whereas chromite, hematite ...
Study to enhance cementation of impurities from zinc leach liquor by modifying the shape and size of zinc dust

Rao, M.D.; Meshram, A.; Verma, H.R.; Singh, K.K.; Mankhand, T.R. (Elsevier B.V., 2020-08)

Cementation is a prominent purification technique used for removal of copper, cadmium, cobalt, and nickel from impure zinc sulphate solution obtained after leaching of zinc ore. Zinc dust is primarily used for this purpose ...
Formation and stability of C14 type Laves phase in multi component high-entropy alloys

Mishra, S.S.; Yadav, T.P.; Srivastava, O.N.; Mukhopadhyay, N.K.; Biswas, K. (Elsevier Ltd, 2020-08-15)

The present investigation reports the formation and stability of multi-component AB2-type Laves phase in Ti–Zr–Ni (V, Cr, Fe, Mn, Co)ternary to octonary alloys system. To probe the formation and stability of AB2-type Laves ...
Evolution of phases, hardness and magnetic properties of AlCoCrFeNi high entropy alloy processed by mechanical alloying

Shivam, V.; Shadangi, Y.; Basu, J.; Mukhopadhyay, N.K. (Elsevier Ltd, 2020-08-15)

AlCoCrFeNi high entropy alloy (HEA) was synthesized by mechanical alloying (MA). Formation of single-phase solid solution of body centered cubic (BCC) structure (a = 2.88 ± 0.01 Å) was confirmed from x-ray diffraction (XRD) ...
Potential of polymer inclusion membrane process for selective recovery of metal values from waste printed circuit boards: A review

Jha, R.; Rao, M.D.; Meshram, A.; Verma, H.R.; Verma, H.R.; Singh, K.K. (Elsevier Ltd, 2020-08-20)

Waste printed circuit boards (WPCBs) contain plethora of precious metals along with multitude of harmful materials, which are secondary resources and environmental pollutants. Researchers have developed several efficient ...
Microstructural correlation with tensile and creep properties of AZ91 alloy in three casting techniques

Shastri, H.; Mondal, A.K.; Dutta, K.; Dieringa, H.; Kumar, S. (Elsevier Ltd, 2020-09)

The relationships among microstructure, tensile and creep behaviour of the AZ91 Mg alloy produced by three different casting techniques have been investigated. All the as-cast alloys consist of primary Mg (α-Mg) and ...
Effect of Ultrasonic Shot Peening on Oxidation Behavior of T91 and SS347 Steels in Air and Steam at 650 °C

Mondal, D.; Chattopadhyay, K.; Singh, V. (Springer, 2020-09-01)

Ultrasonic shot peening (USP) is a relatively new process of surface modification to improve mechanical properties as well as corrosion and high-temperature oxidation resistance of metallic materials. The effect of USP on ...
Mechanically driven structural transformation in Sn reinforced Al–Cu–Fe quasicrystalline matrix nanocomposite

Shadangi, Y.; Shivam, V.; Varalakshmi, S.; Basu, J.; Chattopadhyay, K.; Majumdar, B.; Mukhopadhyay, N.K. (Elsevier Ltd, 2020-09-05)

In the present investigation efforts were made to study mechanically driven structural transformation in Sn reinforced Al–Cu–Fe icosahedral quasicrystalline (IQC) matrix nanocomposites. The sequence of structural transformation, ...
Mechanism of crack initiation under high cycle fatigue through an EBSD based approach in a 10 wt% Cr steel

Sarkar, A.; Yadav, S.D.; Nagesha, A.; Mariappan, K.; Ramaseshan, S. (Elsevier Ltd, 2020-09-23)

The study presents an insight into the mechanism of crack initiation under high cycle fatigue (HCF) and estimation of the initiation life thereof, using electron backscatter diffraction (EBSD) as an important tool in a 10% ...
The features of metal dusting process in the extremely low nickel austenitic stainless steel (18Cr-21Mn-0.65N-Fe)

Kumar, S.; Mahobia, G.S. (Elsevier Ltd, 2020-11)

The features of metal dusting in extremely low nickel austenitic stainless steel (18Cr-21Mn-0.65N-Fe) were studied in syngas environment (75% H2 and 25 %CO) at 400-700 °C, under cyclic exposure for 300 h. Carbon corrosion ...
Low cycle fatigue behavior of salt coated and pre-exposed IN-617 alloy

Rao, C.V.; Srinivas, N.C.S.; Sastry, G.V.S.; Singh, V. (Elsevier Inc., 2020-11)

The present investigation deals with low cycle fatigue (LCF) behavior of the IN-617 alloy, after oxidation at 850 °C for varying durations, without and with mixed salt coating. LCF tests were conducted under fully reversed ...

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