2013
DOI: 10.1016/j.optlaseng.2012.07.015
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Effects of pulse duration and overlapping factor on melting ratio in preplaced pulsed Nd:YAG laser cladding

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Cited by 45 publications
(11 citation statements)
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“…26 The color etchants are reagents that remove a thin layer from the surface of the specimen and simultaneously dissolve it, leaving a thin film on the surface. 20 In the case of aluminum alloys the growth of the film is strongly influenced by the solute micro-segregations. The addition of different solutes can also affect the surface chemical reactions and, therefore, the colors change as a result.…”
Section: Metallographic Analysesmentioning
confidence: 99%
“…26 The color etchants are reagents that remove a thin layer from the surface of the specimen and simultaneously dissolve it, leaving a thin film on the surface. 20 In the case of aluminum alloys the growth of the film is strongly influenced by the solute micro-segregations. The addition of different solutes can also affect the surface chemical reactions and, therefore, the colors change as a result.…”
Section: Metallographic Analysesmentioning
confidence: 99%
“…But the decrease in dimension is not in correlation with decrease in EED. Farnia et al [17] showed that the effects of pulse duration and overlapping factor are different at low and high values. When pulse duration increases, the interaction time between laser beam and the material increases which results in a decrease in EED.…”
Section: Microstructurementioning
confidence: 99%
“…It is established that energy density and interaction time are two essential parameters in laser cladding process which affect the clad profile the most [16]. Farnia et al [17] showed that the effects of pulse duration and overlapping factor are different at low and high values, and therefore it is difficult to find optimum values for pulse duration and overlapping factor to achieve maximum efficiency in preplaced pulsed laser cladding process. The selected alloy AlSi12CuNiMg is hypo-eutectic and containing inter-dendritic network of eutectic silicon with different intermetallic compounds which improve alloy micro-hardness.…”
Section: Introductionmentioning
confidence: 99%
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“…During investigations modeling of the process of laser surfacing with chromium filler wire of 0.2-0.4 mm diameter of base a of the same material, was performed. Temperature fields were calculated within 3D finite element model, which solved the nonlinear equation of heat conductivity [4][5][6][7]. Nonlinearity of the equation is due to temperature dependence of material thermophysical properties (Figure 4) [8].…”
mentioning
confidence: 99%