Dynamic Elastic Modulus Measurements in Materials 1990
DOI: 10.1520/stp24619s
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Measurement and Analysis of Dynamic Modulus in A1/SiC Composites

Abstract: This study addresses the need for dynamic mechanical properties of advanced materials which are available only in small quantities by evaluating the ability of the Piezoelectric Ultrasonic Composite Oscillator Technique (PUCOT) to measure the dynamic modulus of small specimens of fibrous and particulate metal matrix composites. This is accomplished by measuring the dynamic modulus of several small rod or bar-shaped specimens of 6061 aluminum reinforced with silicon carbide fibers or particles (Al/SiC) at room … Show more

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Cited by 1 publication
(3 citation statements)
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“…The absolute values of the experimental storage modulus for AA 7075-T6, AA 2024-T3 and pure Al at RT are greater than those reported by Das [54] for unreinforced AA 6061, but are similar to the values this author reports for SiC particle reinforced AA 6061-T6 matrix composites, and to other values reported in the literature for pure Al [55][56][57]. Das [54] could not find a satisfactory explanation for the discrepancy between his results for unreinforced AA 6061 and those in the literature and ignored this fact.…”
Section: Storage Modulussupporting
confidence: 87%
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“…The absolute values of the experimental storage modulus for AA 7075-T6, AA 2024-T3 and pure Al at RT are greater than those reported by Das [54] for unreinforced AA 6061, but are similar to the values this author reports for SiC particle reinforced AA 6061-T6 matrix composites, and to other values reported in the literature for pure Al [55][56][57]. Das [54] could not find a satisfactory explanation for the discrepancy between his results for unreinforced AA 6061 and those in the literature and ignored this fact.…”
Section: Storage Modulussupporting
confidence: 87%
“…The larger storage modulus of the particulate reinforced metal matrix composites is often explained in terms of the rule of mixtures, but interfacial factors and precipitation may also have an influence. It was noticed that the absolute values of the storage modulus measured at RT where lower than values reported in the literature [55][56][57], but the author could not find a satisfactory explanation and ignored this discrepancy. Finally, this researcher reported the loss modulus and loss tangent for the 20 vol.% SiC, AA 6061-T6 matrix composite (see Fig.…”
Section: Viscoelastic Behaviour Of Aluminium Alloysmentioning
confidence: 67%
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