1997
DOI: 10.1023/a:1018672707864
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Abstract: Transmission electron microscopic observations were made of different dislocation structures in laser-nitrided titanium. Equidistant edge dislocations in the bulk and periodic surface structures exhibit a periodicity within the same order of magnitude. An analysis is presented in which both periodic phenomena are explained by cellular growth.

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Cited by 15 publications
(5 citation statements)
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“…The range of temperature gradients exponents (a = 0.52-0.57) is good agreement with the previous experimental works [77][78][79][80][81][82][83]. The range of growth rate exponents (b = 0.24-0.26) is very close to the previous experimental works [6,77,95,96,98] and also the range of cooling rate exponents (c = 0.32-0.33) are very close to previous experimental works [66,70,99]. 3.…”
Section: Discussionsupporting
confidence: 90%
See 1 more Smart Citation
“…The range of temperature gradients exponents (a = 0.52-0.57) is good agreement with the previous experimental works [77][78][79][80][81][82][83]. The range of growth rate exponents (b = 0.24-0.26) is very close to the previous experimental works [6,77,95,96,98] and also the range of cooling rate exponents (c = 0.32-0.33) are very close to previous experimental works [66,70,99]. 3.…”
Section: Discussionsupporting
confidence: 90%
“…The exponent value of the growth rate b is equal to 0.26 and 0.24 for the Al-0.1 wt% Ti and Al-0.5 wt% Ti alloys, respectively. Decreasing of cellular spacings, λ with increasing growth rates, V was determined by various workers for different alloy systems [6,77,84,[93][94][95][96][97][98]. [93] for Al-Cu, Jesse and Giller [94] for Cd-Zn, Sharp [95] for Al-Cu, Ma et al [84] for Zn-Cu, Yang et al [96] for Cu-Mn, Lapin et al [77] for Ni-Al-Cr-Fe, Kloosterman and Hosson [6] for TiN, Feng et al [97] for Al-Zn and Pryds et al [98] for Fe-Cr-C alloy, respectively.…”
Section: Effect Of the Growth Rate On The Cellular Spacingmentioning
confidence: 99%
“…Alternatively, it is possible to modify the metallic surface with laser radiation and to synthesize hard coatings directly 3 in a reactive ambient. Previous investigations have shown the successful synthesis of titanium nitride ͑TiN͒ coatings with laser irradiation at different wavelengths [4][5][6][7][8] also using a free electron laser ͑FEL͒. [9][10][11] The following investigation shows the possibilities of nitriding by means of cw-mode FEL irradiation.…”
Section: Introductionmentioning
confidence: 90%
“…Desde entonces hasta hoy, se han llevado a cabo un número importante de trabajos de investigación en esta área, siendo actualmente un campo muy activo en todo el mundo, como muestran las publicaciones recogidas en los últimos años. La mayor parte de las nitruraciones láser, llevadas a cabo por diversos investigadores, han empleado el láser de CO 2 como fuente de energía [17][18][19][20][21][22][23][24][25][26][27] . En algunos casos, se realizan procesos de nitruración utilizando un láser Nd:YAG [28][29][30][31][32][33] .…”
Section: Parámetros Láserunclassified
“…El valor mínimo de potencia correspondiente a 1 kW, propuesto por Steen [17] , se cumple en la mayor parte de las nitruraciones láser consultadas [42][43][44][45][46] . En la nitruración de titanio puro comercial, Mridha y Baker [21] utilizan una potencia de 2,8 kW para optimizar los resultados.…”
Section: Parámetros Láserunclassified