TY - JOUR
T1 - Simulation on the effect of porosity in the elastic modulus of SiC particle reinforced Al matrix composites
AU - Rivera-Salinas, Jorge E.
AU - Gregorio-Jáuregui, Karla M.
AU - Romero-Serrano, José A.
AU - Cruz-Ramírez, Alejandro
AU - Hernández-Hernández, Ernesto
AU - Miranda-Pérez, Argelia
AU - Gutierréz-Pérez, Víctor H.
N1 - Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.
PY - 2020/3
Y1 - 2020/3
N2 - Although the porosity in Al-SiC metal matrix composites (MMC) can be diminished; its existence is unavoidable. The purpose of this work is to study the effect of porosity on Young’s modulus of SiC reinforced aluminum matrix composites. Finite element analysis is performed based on the unit cell and the representative volume element approaches. The reliability of the models is validated by comparing the numerical predictions against several experimental data ranging in low-and high-volume fractions and good agreement is found. It is found that despite the stress transfer from the soft matrix to the reinforcement remains effective in the presence of pores, there is a drop in the stress gathering capability of the particles and thus, the resulting effective elastic modulus of composite decreases. The elastic property of the composite is more sensitive to pores away the reinforcement. It is confirmed, qualitatively, that the experimentally reported in the literature decrease in the elastic modulus is caused by the presence of pores.
AB - Although the porosity in Al-SiC metal matrix composites (MMC) can be diminished; its existence is unavoidable. The purpose of this work is to study the effect of porosity on Young’s modulus of SiC reinforced aluminum matrix composites. Finite element analysis is performed based on the unit cell and the representative volume element approaches. The reliability of the models is validated by comparing the numerical predictions against several experimental data ranging in low-and high-volume fractions and good agreement is found. It is found that despite the stress transfer from the soft matrix to the reinforcement remains effective in the presence of pores, there is a drop in the stress gathering capability of the particles and thus, the resulting effective elastic modulus of composite decreases. The elastic property of the composite is more sensitive to pores away the reinforcement. It is confirmed, qualitatively, that the experimentally reported in the literature decrease in the elastic modulus is caused by the presence of pores.
KW - Al/SiC composite
KW - Finite element analysis
KW - Porosity in composites
UR - http://www.scopus.com/inward/record.url?scp=85082548245&partnerID=8YFLogxK
U2 - 10.3390/met10030391
DO - 10.3390/met10030391
M3 - Artículo
AN - SCOPUS:85082548245
SN - 2075-4701
VL - 10
JO - Metals
JF - Metals
IS - 3
M1 - 391
ER -