Zobrazeno 1 - 10
of 36
pro vyhledávání: '"K. Nagarathnam"'
Publikováno v:
Journal of Laser Applications. 15:101-106
A copper vapor laser (CVL) of 511/578 nm wavelength, 25 ns pulse width and 10 kHz repetition rate combined with a computer controlled Galvo head was used for laser micromachining of 304 stainless steel. The objectives of this study were determination
Publikováno v:
Journal of Laser Applications. 10:45-54
AA333 specimens were hardfaced with mechanically mixed Mn–Al bronze powder by laser cladding to investigate its possible use in a boundary lubricated sliding application for better wear resistance. The coatings needed to be more seizure resistant t
Publikováno v:
JOM. 49:55-60
Autor:
Kyriakos Komvopoulos, K. Nagarathnam
Publikováno v:
Metallurgical and Materials Transactions A. 27:381-390
Dense crack-free coatings of Fe-Cr-Al-Y quaternary alloy were produced on stainless steel 316L substrates using a continuous wave Nd-YAG solid-state laser coupled with a fiber optic beam delivery system. Experiments were performed at a laser power be
Autor:
Kyriakos Komvopoulos, K. Nagarathnam
Publikováno v:
Metallurgical and Materials Transactions A. 26:2131-2139
The effects of laser-processing parameters on the microstructure and microhardness of Fe-Cr-W-C quaternary alloy coatings were investigated experimentally. The coatings were developed by laser processing a powder mixture of Fe, Cr, W, and C at a weig
Autor:
Kyriakos Komvopoulos, K. Nagarathnam
Publikováno v:
Metallurgical Transactions A. 24:1621-1629
Rapidly solidified microstructures of Fe-Cr-W-C quaternary alloy deposited on low-carbon steel by laser cladding were investigated. The clad-coating alloy, a powder mixture of Fe, Cr, W, and C with a weight ratio of 10:5:1:1, was processed with a hig
Publikováno v:
Recent Advances in Solids/Structures and Application of Metallic Materials.
This paper outlines the scientific implications of a high peak power, high beam quality Nd:YAG laser in manufacturing applications and discusses the significance of optimizing key laser process parameters in material removal characteristics of a Al-3
Publikováno v:
International Congress on Applications of Lasers & Electro-Optics.
Laser cladded Mn-Al bronze coatings on AA333 cast alloy substrate primarily for possible automotive applications were successfully produced using a 6 kW continuous wave CO2 laser with an oscillating beam for various processing conditions. The experim
Publikováno v:
International Congress on Applications of Lasers & Electro-Optics.
This paper describes the preliminary results of laser cladding experimentation of a Sn-bronze bearing alloy (88Cu, 10Sn, 2Zn, all wt %) onto cast aluminum alloys AA390 and AA333 for improving the surface properties. Experiments were performed while v
Publikováno v:
Journal of Applied Physics. 109:07A743
This paper presents a manufacturing method called Combustion Driven Compaction (CDC) for the manufacture of isotropic bonded NdFeB magnets (bonded Neo). Magnets produced by the CDC method have density up to 6.5 g/cm3 which is 7–10% higher compared