The effect of inter-layer cold working and post-deposition heat treatment on porosity in additively manufactured aluminum alloys

Anyalebechi, 1995, Analysis of the effects of alloying elements on hydrogen solubility in liquid aluminum alloys, Scr. Metall. Mater., 33, 1209, 10.1016/0956-716X(95)00373-4 Anyalebechi, 2013, Hydrogen-induced gas porosity formation in Al-4.5wt% Cu-1.4wt% Mg alloy, J. Mater. Sci., 48, 5342, 10.1007/s10853-013-7329-2 Anyalebechi, 1994, Effect of supereutectic homogenization on incidence of porosity in aluminum alloy 2014 ingot, Metall. Mater. Trans. B, 25, 111, 10.1007/BF02663185 Boeira, 2009, Alloy composition and metal/mold heat transfer efficiency affecting inverse segregation and porosity of as-cast Al–Cu alloys, Mater. Des., 30, 2090, 10.1016/j.matdes.2008.08.032 Chaijaruwanich, 2006, Pore evolution in a direct chill cast Al-6wt.% Mg alloy during hot rolling, Acta Mater., 54, 5185, 10.1016/j.actamat.2006.06.029 Colegrove, 2013, Microstructure and residual stress improvement in wire and arc additively manufactured parts through high-pressure rolling, J. Mater. Process. Technol., 213, 1782, 10.1016/j.jmatprotec.2013.04.012 Cong, 2015, Effect of arc mode in cold metal transfer process on porosity of additively manufactured Al-6.3% Cu alloy, Int. J. Adv. Manuf. Technol., 76, 1593, 10.1007/s00170-014-6346-x Donlon, 1996, The effects of casting defects and microstructure on the mechanical properties of die cast AM50 magnesium and 356 aluminum, 17 Fruehan, 2008, 15, 64 Gu, 2014, The influence of wire properties on the quality and performance of Wire+Arc Additive Manufactured aluminium parts, Adv. Mater. Res., 1081, 210, 10.4028/www.scientific.net/AMR.1081.210 Izumi, 2011, Thermal desorption spectroscopy study on the hydrogen trapping states in a pure aluminum, Mater. Trans., 52, 130, 10.2320/matertrans.L-M2010825 Kobayashi, 2010, Effect of local volume fraction of microporosity on tensile properties in Al–Si–Mg cast alloy, Mater. Sci. Technol., 26, 962, 10.1179/174328409X441283 Kumnick, 1980, Deep trapping states for hydrogen in deformed iron, Acta Metall., 28, 33, 10.1016/0001-6160(80)90038-3 Martina, 2012, Investigation of the benefits of plasma deposition for the additive layer manufacture of Ti–6Al–4V, J. Mater. Process. Technol., 212, 1377, 10.1016/j.jmatprotec.2012.02.002 Martina, 2013, Improved microstructure and increased mechanical properties of additive manufacture produced Ti–6Al–4V by interpass cold rolling, 490 Mayer, 2003, Influence of porosity on the fatigue limit of die cast magnesium and aluminum alloys, Int. J. Fatigue, 25, 245, 10.1016/S0142-1123(02)00054-3 Petro, 2012 Silva, 2006, The influence of double pulse on porosity formation in aluminum GMAW, J. Mater. Process. Technol., 171, 366, 10.1016/j.jmatprotec.2005.07.008 Smith, 2000, The identification of hydrogen trapping states in an Al–Li–Cu–Zr alloy using thermal desorption spectroscopy, Metall. Mater. Trans. A, 31, 179, 10.1007/s11661-000-0064-8 Stahlberg, 1980, A study of void closure during plastic deformation, J. Mech. Work Technol., 4, 51, 10.1016/0378-3804(80)90005-4 Talbot, 1963, Secondary hydrogen porosity in aluminum, J. Inst. Met., 92, 290 Toda, 2009, Roles of pre-existing hydrogen micropores on ductile fracture, Mater. Trans., 50, 2285, 10.2320/matertrans.M2009123 Toda, 2009, Growth behavior of hydrogen micropores in aluminum alloys during high-temperature exposure, Acta Mater., 57, 2277, 10.1016/j.actamat.2009.01.026 Toda, 2009, Healing behavior of preexisting hydrogen micropores in aluminum alloys during plastic deformation, Acta Mater., 57, 4391, 10.1016/j.actamat.2009.06.012 Toda, 2010, Four-dimensional annihilation behaviors of micro pores during surface cold working, Mater. Trans., 51, 1288, 10.2320/matertrans.M2010069 Wang, 1996, A study of pore closure and welding in hot rolling process, J. Mater. Process. Technol., 60, 95, 10.1016/0924-0136(96)02313-8 Williams, 2015, Wire+Arc Additive Manufacturing, Mater. Sci. Technol. Wolfer, 1985, Interstitial solute trapping by edge dislocations, Acta Metall., 33, 2005, 10.1016/0001-6160(85)90123-3 Young, 1998, The diffusion and trapping of hydrogen in high purity aluminum, Acta Mater., 46, 6337, 10.1016/S1359-6454(98)00333-4