Experimental investigation into characterization and machining of Al + SiCp nano-composites using coated carbide tool

Abstract

The current research paper discusses the characterization and machining (turning) operation of aluminium (Al) and silicon carbide nano particle (SiCp) nano composite. The paper reveals proper distribution of silicon carbide nano particles (25nm) with aluminium metal matrix. Initially, tensile test has been carried on metal matrix nano composite to study its different properties. It was noticed that the properties of Al-SiCp increases by increasing the weight percentage of SiCp. Viker hardness test has also been conducted to find out the hardness of metal matrix nano composites. Different techniques i.e. Optical microscopy EDX-Analysis were utilized to find out various ingredients of the nano-composite material. The experimental study was carried out using Taguchi L 16 orthogonal array by taking three different factors at four different levels each. The response parameters i.e. flank wear of coated carbide insert and surface roughness of Al-SiCp has been optimized by using Principal Component Analysis (PCA). Various graphs like main effect plot and normal probability plot have been plotted and studied properly. Different optical images of coated insert carbide tools (Insert CNMG 12040822TN 6010) at different runs were conducted to visualize the effects of process and response parameters. From the ANOVA table, it was found that cutting speed as well as depth of cut are found to the most vital parameters in influencing the responses for VBc and depth of cut and feed are found to the most significant parameters in influencing the responses for Ra.

Studies on microstructural characteristics and mechanical properties of hybrid Al-4032 AMC reinforced with SiC and granite marble powder

“…It may also occur due to the application of diamond paste on samples before the EDS test. 32 From Figure 6, it is observed that hybrid Al-4032/SiC/GMP AMCs are abundant in Mg and Si.

Figure 5.SEM characterization of the base alloy and hybrid AMCs × 500.

Figure 6.EDS spectra of the base alloy and hybrid AMCs.

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“…It may also occur due to the application of diamond paste on samples before the EDS test. 32 From Figure 6, it is observed that hybrid Al-4032/ SiC/GMP AMCs are abundant in Mg and Si.…”

“…The existence of grain boundaries is observed as an outcome of the growth of dendrites. [29][30][31][32] During the composite fabrication due to stirrer rotation, spinning of the molten alloy forms a vortex, through which the SiC/GMP particles are dragged into the molten slurry. The stirring force overcomes the surface interruption due to the weak wettability of SiC/GMP particles by the AMC.…”

Prediction models for on-line cutting tool and machined surface condition monitoring during hard turning considering vibration signal

“…The model is significant only when its P-value is lower than 0.05. ANOVA for both flank wear and surface roughness are presented in Table 5 [37,38]. Flank wear MLR model is found to be significant whereas surface roughness MLR model is insignificant as their P-value exceeds 0.05.…”

Experimental Investigation of Textured Inserts on Machining Performance of Al-MMC Using Taguchi Method

“…The result revealed that machining parameters were significantly affected the machining performance. Swain et al [21] used coated carbide tool for machining of Al-MMC based nano composite. Machining parameters were optimized using principal Component analysis.…”