Characterisation of Polymer Material Using I-Kaz™ Analysis Method under Impact Hammer Excitation Technique

An alternative advanced statistical analysis method known as the I-kaz 4D or I-kaz 4 channels which using the sensor fusion concept by using four sensors to collect the vibration signals that excited by the impact hammer was introduced in this study. Mechanical properties of the material like Young Modulus and Poisson Ratio were obtained. The study carried for 2 types of metals i.e. copper and stainless steel. The specimens were in shape of circular, rectangular and square, where more material mechanical properties were obtained due to the variety of specimen shapes. The impact hammer used for the impact force with the range of different forces. The four piezofilm sensors have been placed on specimen surface to observe and record the vibration signal after the impact. The dynamic response technique also was used in this study and the obtained results been compared with the results obtained by I-kaz 4D method. Finally, correlation between I-kaz 4D coefficient and regression value being done to verify the result and justify the findings. The error for Young Modulus was 2.962% while Poisson Ratio was 1.000%. The study adhered to ASTM E1876 standard.

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Analysis of Young Modulus and Poisson Ratio Using I-Kaz 4d Analysis Method Through Piezofilm Sensor

Ramli

Nuawi

Rasani

et al. 2020

J. Phys.: Conf. Ser.

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Comparison Study on Light Structure Modal Parameter Using Experimental Modal Analysis Method via Piezofilm Sensor

et al. 2018

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This study determines the effect of modal parameters namely natural frequencies and mode shapes of aluminum 6061 (Al6061)through free dynamic vibration analysis and testing. The simulation procedures was conducted via ANSYS software while the experimental work was performed through impact hammer testing. Three types of specimens in the form of circular, square and triangular- shapes were used to determine the vibration parameters. Two sensors i.e. piezoelectric film and accelerometer were used. The results for circular shape were ya = 270.55x – 134.82 (accelerometer) and yp = 280.89x – 215.05 (piezofilm); for square shape were ya = 316.42x – 104.13 (accelerometer) and yp = 309.63x – 43.20 (piezofilm); and for triangular shape were ya = 329.77x – 142.87 (accelerometer) and yp = 305x + 15 (piezofilm). The ya (accelerometer) and yp (piezofilm) are represented as a linear equation of which the data were plotted in mode shape versus natural frequency graph accordingly. By applying the simultaneous equation, the regression ratio can be obtained. The relation between natural frequency and mode shape of accelerometer and piezofilm for the circular-shaped specimen was ya = 0.96yp + 72.3; square-shaped specimen was ya = 1.02yp – 59.98; and triangle-shaped specimen was ya = 1.08yp – 159.08 respectively. The results for the natural frequency from the experimental test were used to compare with the results from the simulation. It was understood that the regression ratios of 0.96, 1.02 and 1.08 of circular-shaped, square-shaped and triangular-shaped were closed to 1.0. The outcome showed that the piezoelectric film sensor is a potential candidate to be used as an alternative sensor for the accelerometer.

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Characterisation of Polymer Material Using I-Kaz™ Analysis Method under Impact Hammer Excitation Technique

Cited by 2 publications

References 3 publications

Analysis of Young Modulus and Poisson Ratio Using I-Kaz 4d Analysis Method Through Piezofilm Sensor

Analysis of Young Modulus and Poisson Ratio Using I-Kaz 4d Analysis Method Through Piezofilm Sensor

Comparison Study on Light Structure Modal Parameter Using Experimental Modal Analysis Method via Piezofilm Sensor

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