Fabrication and characterization of hypoeutectic open-cell Al-Si foams using gravity die casting and squeeze castingSamsudin Fitri Aida, Mirsad Nur Hijrah, Amirah Ahmad Hamdi, Hussain Zuhailawati and Abu Seman AnasyidaMetall. Res. Technol., 115 5 (2018) 509DOI: https://doi.org/10.1051/metal/2018085