2005
DOI: 10.2172/885940
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A Review of the Measurement and Development of Crystallinity and Its Relation to Properties in Neat Poly(phenylene Sulfide) and Its Fiber Reinforced Composites

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Cited by 60 publications
(59 citation statements)
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References 51 publications
(100 reference statements)
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“…The determination of the degree of crystallinity X C involves two major sources of error in comparison to the introduced crystallinity ratio: accuracy in determination of the matrix weight fraction and the enthalpy of fusion of the 100 % crystalline polymer varying from 50 to 150 J/g in literature 4 . Both methods were used to determine the amount of crystallinity.…”
Section: Differential Scanning Calorimetry (Dsc)mentioning
confidence: 99%
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“…The determination of the degree of crystallinity X C involves two major sources of error in comparison to the introduced crystallinity ratio: accuracy in determination of the matrix weight fraction and the enthalpy of fusion of the 100 % crystalline polymer varying from 50 to 150 J/g in literature 4 . Both methods were used to determine the amount of crystallinity.…”
Section: Differential Scanning Calorimetry (Dsc)mentioning
confidence: 99%
“…For the determination of X C of all test samples a weight fraction of 33 % of PPS was assumed and ∆H 0 f was set to 80 J/g. This value is often used in literature 4 and based on x-ray diffraction measurements by Brady 5 .…”
Section: Differential Scanning Calorimetry (Dsc)mentioning
confidence: 99%
“…Assim, o comportamento observado é esperado, uma vez que resfriamentos mais rápidos de polímeros semicristalinos fundidos geralmente resultam em menor cristalinidade da matriz polimérica [9,10,17] . Os resultados de cristalinidade determinados estão em concordância com os apresentados na literatura, em torno de 21%, também obtidos experimentalmente para laminados de PPS/fibras de carbono, com taxa de resfriamento de 10 °C/min [18] .…”
Section: Inspeção Por Ultrassomunclassified
“…Conforme sugere a literatura, menores taxas de resfriamento podem resultar em estruturas cristalinas melhor formadas e maiores, característica essa que induz, consequentemente, a um maior encolhimento volumétrico da matriz. Esse comportamento pode acarretar na formação de concentradores de tensão, que podem levar à uma maior fragilização do polímero termoplástico semicristalino [9,10] . No presente estudo, os resultados de resistência à compressão evidenciam esse comportamento, sabendo-se que o ensaio de compressão é influenciado pelas características da matriz.…”
Section: Ensaios Mecânicosunclassified
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