2008
DOI: 10.3989/revmetalm.0767
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Manufacturing processes of cellular metals. Part I: Liquid route processes

Abstract: P Pr ro oc ce es so os s d de e f fa ab br ri ic ca ac ci ió ón n d de e m me et ta al le es s c ce el lu ul la ar re es s. . P Pa ar rt te e I I: : P Pr ro oc ce es so os s p po or r v ví ía a l lí íq qu ui id da a ( (• •) ) P. Fernández * , L. J. Cruz * y J. Coleto ** R Re es su um me en n Los metales celulares, con sus interesantes y particulares características, constituyen parte de la gran familia de los nuevos materiales. Ellos pueden ser de porosidad abierta o cerrada. En la actualidad, el gran reto par… Show more

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Cited by 8 publications
(7 citation statements)
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“…Some authors indicate that an adequate preform must meet specific requirements; for instance, it must withstand high temperatures, preserve its form throughout the entire process, be easily removable at the end of the process to generate a porous structure, and be unreactive to the metal matrix. Different kinds of materials have been used as preforms in space holder processes (Fernández et al, 2008): polymeric particles (Ma et al,1999;Shimizu et al, 2012), soft ceramics (Berchem et al, 2002), and carbamide particles (Bakan, 2006;Jiang et al, 2005). Other authors have used carbonates and fluorides such as K 2 CO 3 (Zhao et al, 2005), NH 4 HCO 3 (Mondal et al, 2015), NaF (San Marchi et al, 2003), SrF 2 and BaF 2 (Brothers et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Some authors indicate that an adequate preform must meet specific requirements; for instance, it must withstand high temperatures, preserve its form throughout the entire process, be easily removable at the end of the process to generate a porous structure, and be unreactive to the metal matrix. Different kinds of materials have been used as preforms in space holder processes (Fernández et al, 2008): polymeric particles (Ma et al,1999;Shimizu et al, 2012), soft ceramics (Berchem et al, 2002), and carbamide particles (Bakan, 2006;Jiang et al, 2005). Other authors have used carbonates and fluorides such as K 2 CO 3 (Zhao et al, 2005), NH 4 HCO 3 (Mondal et al, 2015), NaF (San Marchi et al, 2003), SrF 2 and BaF 2 (Brothers et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…The use of NaCl has considerable advantages compared to polymeric or ceramic preforms (Fernández et al, 2008). There are different types of commercial salts used to fabricate the preforms, ranging from high purity (>99% NaCl) to refined and unrefined.…”
Section: Introductionmentioning
confidence: 99%
“…In terms of physical parameters, these new foam elements have near spherical shape and they are constituted by a core of closedcell porosity surrounded by a thin and solid outer surface. The synthesis process (Fernández et al, 2008;Fernández et al, 2009) is based on the compaction of a mixture of powders, AlSi alloy, and subsequent extrusion of AlSi7 metal alloys with TiH2 as foaming agent. Literature available has proven that other foaming agents such as ZrH2, dolomite and CaCO 3 are equally effective (Uzun and Turker, 2014).…”
Section: Introductionmentioning
confidence: 99%
“…Leachable space-holder, such as NaCl, permits an easy elimination by dissolution in water before sintering and avoids gas formation during sintering. This method has been studied and good results have been reported for many alloys [25]. NaCl has been employed to make Ti 2 AlC foams, however pore shape became elliptical and oriented, rather than the cubic-like shape of NaCl particles, as a consequence of deformation of the particles during cold press loading [18].…”
Section: Introductionmentioning
confidence: 99%