2005
DOI: 10.1016/j.msea.2005.05.031
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The determining role of calcium carbonate on surface deformation during scratching of calcium carbonate-reinforced polyethylene composites

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Cited by 41 publications
(27 citation statements)
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“…Thus, there is a clear relationship between the fracture mode and impact strength of PE and PE-nanoclay system. The observations made here are consistent with fractography obser- vations made in tensile strained PE and PE-nanoclay system [38].…”
Section: Toughness Of Polyethylene-nanoclay Systemsupporting
confidence: 91%
See 1 more Smart Citation
“…Thus, there is a clear relationship between the fracture mode and impact strength of PE and PE-nanoclay system. The observations made here are consistent with fractography obser- vations made in tensile strained PE and PE-nanoclay system [38].…”
Section: Toughness Of Polyethylene-nanoclay Systemsupporting
confidence: 91%
“…Each of the above outlined processes, fibrillation, or microvoiding, and matrix yielding contribute to energy absorption [37,38]. Thus, there is a clear relationship between the fracture mode and impact strength of PE and PE-nanoclay system.…”
Section: Toughness Of Polyethylene-nanoclay Systemmentioning
confidence: 99%
“…Increase in surface irregularity at high-forming temperatures (100, 125 and 140 • C) also hinders stress whitening to some extent because light is scattered into many directions from irregular surfaces [35,57]. Similarly, large size voids or cavities (at 100 and 125 • C forming temperature) also absorb light instead of scattering which results in lower stress whitening level [19,32]. Absence of crazing yielding mechanism in PMMA/ATH samples can be attributed to homogenous high-temperature deformation of cross-linked, low-molecular weight polymer matrix which was discussed in stretching of PMMA.…”
Section: Was Increasedmentioning
confidence: 99%
“…Degree of stress whitening depends on size and density of these defects and stress whitening is only observed if size of defects is in order of wavelength of visible light [20]. Stress whitening may be significantly reduced by incorporating rigid particles in polymer matrix such that plastic deformation is minimized [19,22,25,26,32]. However, inadequate interfacial bonding strength may result in micro-void formation and further enhance stress whitening in particle filled polymers.…”
Section: Introductionmentioning
confidence: 99%
“…Isto porque sua estrutura cristalina e inclusive as de diversos outros tipos de moluscos são constituídas por calcita ou aragonita, polimorfos do CaCO 3 . Além da estrutura cristalina, a concha também possui uma matriz de macromoléculas orgânicas nanométricas dispostas entre as camadas inorgânicas, se arranjando em uma arquitetura estrutural complexa, resultando em materiais leves, com alta performance mecânica; por exemplo, a tenacidade a fratura da concha excede de duas a três ordens de magnitude daquela do cristal único do mineral de carbonato de cálcio puro [1][2][3][4][5][6][7][8].…”
Section: Introductionunclassified