Search Results - "Pathiraj, B"

Cladding of Tribaloy T400 on steel substrates using a high power Nd:YAG laser by Ya, Wei, Pathiraj, B., Matthews, David T.A., Bright, Mark, Melzer, Stefan

“…Tribaloy T-400 is a cobalt based alloy with molybdenum additions, which has been developed for improved resistance to high temperature wear, galling and…”
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FEM modeling and experimental verification for dilution control in laser cladding by Hofman, J.T., de Lange, D.F., Pathiraj, B., Meijer, J.

“…A model for the determination of the clad geometry and dilution in laser cladding is presented. The model uses a novel approach to determine the clad geometry…”
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A camera based feedback control strategy for the laser cladding process by Hofman, J.T., Pathiraj, B., van Dijk, J., de Lange, D.F., Meijer, J.

“…The developed feedback control system adjusts the laser power such that the width of the melt pool is kept at a user defined reference value. The system uses a…”
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Picosecond-pulsed laser ablation of zinc: crater morphology and comparison of methods to determine ablation threshold by Mustafa, H, Pohl, R, Bor, T C, Pathiraj, B, Matthews, D T A, Römer, G R B E

“…Ablation of bulk polycrystalline zinc in air is performed with single and multiple picosecond laser pulses at a wavelength of 1030 nm. The relationships…”
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Laser-Induced Nanoscale Superhydrophobic Structures on Metal Surfaces by Jagdheesh, R, Pathiraj, B, Karatay, E, Römer, G. R. B. E, Huis in‘t Veld, A. J

“…The combination of a dual-scale (nano and micro) roughness with an inherent low-surface energy coating material is an essential factor for the development of…”
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Spectroscopic monitoring of metallic bonding in laser metal deposition by Ya, Wei, Konuk, Ali Riza, Aarts, Ronald, Pathiraj, B., Huis in ‘t Veld, Bert

“…•A spectrometer is used for process monitoring during laser metal deposition (LMD).•Spectral analysis on optical emissions during LMD is linked to clad layer…”
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Leidenfrost Point Reduction on Micropatterned Metallic Surfaces by Arnaldo del Cerro, Daniel, Marín, Álvaro G, Römer, Gertwillem R. B. E, Pathiraj, B, Lohse, Detlef, Huis in ’t Veld, Albertus J

“…Droplets are able to levitate when deposited over a hot surface exceeding a critical temperature. This is known as the Leidenfrost effect. This phenomenon…”
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Quantitative estimation of incompatibility stresses and elastic energy stored in ferritic steel by Baczmanski, A., Lipinski, P., Tidu, A., Wierzbanowski, K., Pathiraj, B.

“…Plastic incompatibility second‐order stresses were determined for different orientations of a polycrystalline grain, using X‐ray diffraction data and results…”
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Seam gap bridging of laser based processes for the welding of aluminium sheets for industrial applications by Aalderink, Bernard Johan, Pathiraj, B., Aarts, R. G. K. M.

“…Laser welding has a large potential for the production of tailor welded blanks in the automotive industry, due to the low heat input and deep penetration…”
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Large area laser surface micro/nanopatterning by contact microsphere lens arrays by Sedao, X., Derrien, T. J.-Y., Romer, G. R. B. E., Pathiraj, B., Huis in ‘t Veld, A. J.

“…Laser surface micro/nanopatterning by particle lens arrays is a well-known technique. Enhanced optical fields can be achieved on a substrate when a laser beam…”
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Feature tests on welded components at higher temperatures—Material performance and residual stress evaluation by Thomas, A., Pathiraj, B., Veron, P.

“…A reliable maintenance and service of energy generation plants would be impossible without the professional designing, manufacturing and monitoring of welded…”
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2D modelling of clad geometry and resulting thermal cycles during laser cladding by Ya, Wei, Pathiraj, B., Liu, Shaojie

“…•A 2D thermal model of laser cladding process based on mass and energy balance is built.•Model predictions of clad geometry, dilution and thermal cycles are…”
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Effects of residual stress in creep crack growth analysis of cold bent tubes under internal pressure by Kwon, O, Pathiraj, B, Nikbin, K.M

“…In this paper, the effects of residual stresses are considered in crack growth of cold bent and longitudinally cracked carbon–manganese tubes and pipes tested…”
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Crystal structure changes in Ni3Al and its anomalous temperature dependence of strength by Ramesh, R., Pathiraj, B., Kolster, B.H.

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X-ray fractography studies on austenitic stainless steels by Rajanna, K., Pathiraj, B., Kolster, B.H.

“…In this investigation, the fracture surfaces of SS 304 and SS 316 austenitic steels were analysed using the X-ray fractography technique. In both cases, a…”
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Ordering and structural transformations in Ni3Al alloys by RAMESH, R, VASUDEVAN, R, PATHIRAJ, B, KOLSTER, B. H

“…X-ray diffraction profile studies on the filings of stoichiometric and off-stoichiometric compositions of Ni3Al alloys, with and without boron additions, were…”
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Some studies on the influence of stress ratio and test temperature on X-ray fractography observations in C45 steel specimens by Rajanna, K., Pathiraj, B., Kolster, B.H.

“…This paper deals with additional “X-ray fractography” observations made on C45 steel, subsequent to the earlier work [K. Rajanna, B. Pathiraj and B. H…”
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TEM and high-temperature X-ray diffractometric studies on the structural transformations in Ni3Al by RAMESH, R, PATHIRAJ, B, KOLSTER, B. H

“…High-temperature XRD and TEM studies were conducted on nickel-rich boron-doped Ni3Al in order to confirm our earlier observations on the existence of a…”
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Duplex stainless steel fracture surface analysis using X-ray fractography by RAJANNA, K, PATHIRAJ, B, KOLSTER, B. H

“…The fatigue fracture surface of a duplex stainless steel was analyzed using x-ray fractography. A lower than average austenite content was observed at the…”
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Influence of countersurface materials on dry sliding performance of CuO/Y-TZP composite at 600°C by Valefi, Mahdiar, Pathiraj, Belavendram, de Rooij, Matthijn, de Vries, Erik, Schipper, Dirk J.

“…Dry sliding wear tests on 5wt.% copper oxide doped yttria stabilized zirconia polycrystals (CuO–TZP) composite have been performed against alumina, zirconia…”
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