Análisis experimental del fresado de materiales compuestos reforzados con fibra de basalto

Abstract

Fiber reinforced composites are widely used in diverse fields such as aeronautics and automotive. After their shaping, these materials require machining processes to remove excess material and facilitate joining between parts. Due to the heterogeneous nature and anisotropy of these materials, their behavior when being machined is different from metallic ones. Abrasive fibers trigger fast tool wear and delamination appearance can cause piece reprocessing or discard. Delamination is a defect which induces the separation of composite layers and makes the piece present a frayed appearance on the machined edge because the tool bends the fibers instead of cutting them, in addition to producing surface damage to the piece.

Memorias del X Congreso Nacional de Alconpat México 2022

“…Este método cubre la determinación de la densidad media de una cantidad de partículas de agregado grueso (sin incluir el volumen de vacíos entre las partículas). Dependiendo del procedimiento la densidad (kg/m3 o lb/ft3) se expresa como secada al horno (SH), superficie saturada seca (SSD), o como densidad aparente (D18.12, 2015; Navarro et al, 2011).…”

Bank Material Study for the Restoration of Historical Monuments in Michoacán, Mexico

“…They are dried in an oven to a 110°C + to 10° during 24 hours. Later on, the samples are taken out of the oven and cooled down until they have the environmental temperature in order to determine the dried weight [3]. The calculation was done under the following equation (1).…”

“…Later the samples are taken out of the oven and cooled down to weight them (ps = dried weight). Once it has been made, the samples are saturated in a container with water in environmental temperature during 24 hours minimum; the samples are taken out of the water and dried superficially with a cloth or flannel and they are weighted (ph = humid weight) [3]. The calculation was done under the following equation ( 2).…”

“…Once it has been made, the samples are saturated in a container with water in environmental temperature during 24 hours; the samples are weighted in order to take the superficial dried weight (Ps). They are put on a basket adapted to a platform scale and they are submerged in water; the weight submerged in water is obtained (Pa) [3]. The calculation was done under the following equation (3):…”

“…The samples are left to saturate in the water during a period of 24 hours; after that, they are superficially dried and their humid weight is registered (W in grams). The pycnometer is filled up with water, (this device serves to measure the water volume that is displaced by the solid material equivalent to the same volume, such as sand and gravel) the rock sample is placed in it and the volume of the displaced water (V in cm³) is measured with a test tube; the calculation is done with the following equation (4) [3]:…”