Browsing Year-2011 by Issue Date

Now showing items 21-40 of 53

Effect of superficially applied Y2O3 coating on high-temperature corrosion behavior of Ni-base superalloys

Goyal, G.; Singh, H.; Singh, S.; Prakash, S. (2016-11-28)

Inhibitors and oxide additives have been investigated with varying success to control high-temperature corrosion. Effect of Y2O3 on high-temperature corrosion of Superni 718 and Superni 601 superalloys was investigated ...
A theoretical framework for improving the schedulability of hard and soft real-time tasks on heterogeneous network of workstations (NOWs)

Auluck, N. (2016-11-28)

This paper proposes an integrated duplication based Algorithm (IDSA) for improving the schedulability of precedence related real-time tasks with hard and soft deadlines on a set of heterogeneous network of workstations ...
Stokes flow of micro-polar fluids by peristaltic pumping through tube with slip boundary condition

Tripathi, D.; Chaube, M.K.; Gupta, P.K. (2016-11-28)

This paper studies the Stokes flow of micro-polar fluids by peristaltic pumping through the cylindrical tube under the effect of the slip boundary condition. The motion of the wall is governed by the sinusoidal wave ...
Piezoelectric transducer based devices for development of a sustainable machining system - A review

Joshi, R.S.; Singh, H. (2016-11-28)

Sustainability in production is to develop a system that reduces usage of resources for converting raw material into useful product; Moreover, it could produce waste that can be directly used by another production system. ...
Tetracycline and its quantum dots for recognition of Al3+ and application in milk developing cells bio-imaging

Granados, J.A.O; Thangarasu, P.; Singh, N.; Vázquez-Ramos, J.M. (2019-01-03)

We developed a technique that detects Al3+ in milk/bio-samples, and reversibly applied to recognize tetracycline (TC) in milk, enhancing the fluorescence intensity without interference from other cations (Cd2+, Ni2+, Co2+, ...
New tripodal and dipodal colorimetric sensors for anions based on tris/bis-urea/thiourea moieties

Bhardwaj, V.K.; Sharma, S.; Singh, N.; Hundal, M.S.; Hunda, G. (2019-05-08)

Seven neutral tripodal and dipodal receptors having mesitylene/triethylbenzene as core moiety, urea/thiourea as binding groups and p-nitrobenzene as signalling unit have been reported. The receptors act as selective ...
An approach for identifying gaps and overlaps in standards to determine product applicability

Witherell, P.; Sarkar, P.; Narayanan, A.; Lee, J.H.; Rachuri, S. (2019-05-08)

Standards and regulations have become an important part of today's society. Organizational and geographical dispersions often create situations where manufacturers are forced to meet various standards for a product to reach ...
Synthesis of dicationic ionic liquids and their application in the preparation of hierarchical zeolite beta

Kore, R.; Satpati, B.; Srivastava, R. (2019-05-08)

Piperidine‐ and imidazole‐based dicatoinic ionic liquids have been developed for the synthesis of zeolite Beta. Hierarchical Beta has a larger surface area and pore volume than conventional Beta. Beta derived from a ...
Surface engineering, by detonation-gun spray coating, of 347H boiler steel to enhance its high temperature corrosion resistance

Kaushala, G.; Singh, H.; Prakash, S. (2021-08-15)

Surface engineering of ASTM A213 TP347H boiler steel was done by detonation-gun spraying of a Ni – 20Cr coating with the aim to enhance the corrosion resistance of the steel. High-temperature corrosion behaviour was ...
Flank wear and machining performance of cryogenically treated tungsten carbide inserts

Gill, S. S.; Singh, H.; Singh, R.; Singh, J. (2021-09-02)

Cryogenic treatment has been accredited as a means of enhancing the cutting life of tungsten carbide turning inserts. Most of the research conducted till date has been limited to evaluate the percentage improvement in ...
Prediction of wrinkling and determination of minimum blankholding pressure in multistage deep drawing

Agrawal, A.; Reddy, N. V.; Dixit, P. M. (2021-09-02)

Wrinkling in the flange region has been observed during redrawing operation by a few researchers. In the present work an analysis methodology, based on a combination of upper bound and energy approaches, is proposed for ...
Morphological controlled synthesis of micro-/nano-polyaniline

Prathap, M. U. A.; Srivastava, R. (2021-09-02)

A novel, highly efficient and economical route is developed for the synthesis of polyaniline micro-/nanostructure. Materials were characterized by a complementary combination of X-ray diffraction, Scanning electron ...
Influence of superheat on microstructure and mechanical properties of ductile Cu 47.5Zr 47.5Al 5 bulk metallic glass-matrix composite

Antonysamy, A. A.; Pauly, S.; Dhindaw, B. K.; Eckert, J. (2021-09-02)

Generally bulk metallic glasses (BMGs) posses very less ductility and toughness at room temperature. Over the recent past years to improve up on these properties in many alloy system BMG composites have been developed. ...
Comparative high temperature analysis of HVOF-sprayed and detonation gun sprayed Ni-20Cr coating in laboratory and actual boiler environments

Kaushal, G.; Singh, H.; Prakash, S. (2021-09-02)

High-velocity-oxy-fuel (HVOF) spray and detonation-gun (D-gun) spray techniques were used to deposit Ni–20Cr coatings on a commonly used boiler steel ASTM-SAE 213-T22. The specimens, with and without coating, were subjected ...
Characterization and high-temperature oxidation behavior of cold-sprayed Ni-20Cr and Ni-50Cr coatings on boiler steels

Bala, N.; Singh, H.; Prakash, S. (2021-09-02)

Microstructure and mechanical properties of cold-spray coatings are usually required in order to explore the potential industrial application of the latter. This article demonstrates the successful formulation of Ni-20Cr ...
Spatially varying extinction coefficient for direct absorption solar thermal collector optimization

Otanicar, T. P.; Phelan, P. E.; Taylor, R. A.; Tyagi, H. (2021-09-02)

Direct absorption solar thermal collectors have recently been shown to be a promising technology for photothermal energy conversion but many parameters affecting the overall performance of such systems have not been ...
Simulation of cooling of double-layered splat and its experimental validation using Jackson-Hunt theory

Kumar, A.; GHOSH, S.; DHINDAW, B. K. (2021-09-02)

A model of heat transfer and fluid flow during the sequential impingement of two liquid Al-33 wt pct Cu droplets on a 304 stainless steel substrate has been developed on the FLUENT 6.3.16 platform. The model was validated ...
Chromogenic and fluorescent recognition of iodide with a benzimidazole-based tripodal receptor

Lee, D. Y.; Singh, N.; Kim, M. J.; Jang, D. O. (2021-09-02)

A novel 1,3,5-substituted triethylbenzene derivative with a 2-aminobenzimidazole moiety as a binding and signaling subunit was synthesized. The sensor was tested in a buffered CH3CN/H2O (99:1, v/v) solution and found to ...
High temperature corrosion behaviour of HVOF-sprayed Ni-20Cr coating on boiler steel in molten salt environment at 900°C

Kaushal, G.; Singh, H.; Prakash, S. (2021-09-15)

Ni-20Cr coating was deposited on a commonly used boiler steel ASTM A213 347H by high-velocity oxy-fuel (HVOF) thermal spray process to enhance its high-temperature corrosion resistance. High temperature corrosion behaviour ...
An overview of slurry erosion control by the application of high velocity oxy fuel sprayed coatings

Goyal, D. K.; Singh, H.; Kumar, H. (2021-09-16)

Slurry erosion of turbine components is a serious problem in most of the hydraulic power plants all around the world. Although some counter measures such as catchment area treatment to reduce the amount of sand particles ...

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