2012 7th International Forum on Strategic Technology (IFOST) 2012
DOI: 10.1109/ifost.2012.6357719
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Engineering support for improving quality of layer-by-layer laser sintering

Abstract: quality improvement problem has been considered for a laser sintered surface layer. Purposely built experimental setup was decribed together with a four-factor experiment design on laser sintering PMS-1 copper powder. A mathematical model describing the effect of laser sintering process parameters on the surface roughness has been proposed. Practical recommendation for improving the quality of the surface layer is given.

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Cited by 9 publications
(6 citation statements)
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“…Scanning along any set contour is possible due to manipulation of a laser beam using a specially developed software tool in a zone 100х100х100 mm. Melting was carried out in a shielding medium of argon [17]. To obtain a mathematical relationship between roughness of the melted layer and processing conditions an experiment was planned and conducted according to central composite design of the second order.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Scanning along any set contour is possible due to manipulation of a laser beam using a specially developed software tool in a zone 100х100х100 mm. Melting was carried out in a shielding medium of argon [17]. To obtain a mathematical relationship between roughness of the melted layer and processing conditions an experiment was planned and conducted according to central composite design of the second order.…”
Section: Methodsmentioning
confidence: 99%
“…An experiment according to central composite design of the second order was conducted in conditions: a range of laser output power Р = (15 -30) W; laser beam movement velocity V = (3.3 -50) mm/s; scanning pitch S = (0.1 -0.3) mm; powder preheating temperature t = (26 -200) 0 С [16,17,18].…”
Section: Methodsmentioning
confidence: 99%
“…Это связано с более коротким циклом производства изделия-имплантата по сравнению с традиционными методами обработки (фрезерование, точение и т.п. ), экономией дорогостоящих материалов, а также возможностью изготовления изделий сложной геометрии и заданной пористости [9,10].…”
Section: Application Of Selective Laser Melting To Produce Low Moduluunclassified
“…Экспериментальные образцы были изготовлены на СЛС-установке «ВАРИСКАФ-100М». Данная установка позволяет управлять следующими технологическими режимами: скорость сканирования, мощность излучения лазера, шаг сканирования, контролируемая газовая атмосфера и температура подогрева порошка [11]. Установка представлена на рис.…”
Section: методы и оборудование экспериментального исследованияunclassified