Study on the Fiber Distribution and Fiber Orientation in Low Pressure Sheet Molding Compounds

Jian Li; Zhi Xiong Huang

doi:10.4028/www.scientific.net/AMR.139-141.255

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Study on the Fiber Distribution and Fiber...

Study on the Fiber Distribution and Fiber Orientation in Low Pressure Sheet Molding Compounds

Abstract:

LPMC specimens were burned in an oven at 500oC for 3h to obtain the fiber images by a scanner. The fiber distribution and orientation was analyzed using MATLAB software. And the effect parameters and controlling methods on fiber orientation and mechanic properties of molded parts were studied, too. Results showed that when the viscosity of LPMC sheet was 5×106cp , the feeding area was 60% and the velocity of mould closing was 1.0 mm/s, the uniformity of fiber distribution was optimum. And proper velocity of mould closing (1.0 mm/s) could decrease the fiber orientation. In addition, the flexural strength (185MPa) and flexural modulus (14.2GPa) of LPMC specimens paralleled the fiber direction were much higher than vertical one (75.2MPa, 6.9GPa).

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

255-259

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.255

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Online since:

October 2010

Authors:

Jian Li, Zhi Xiong Huang

Keywords:

Fiber Distribution, Fiber Orientation, Low Pressure Sheet Molding Compound, Mold Flowing

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