Preparation and characterization of micro-graphite filled poly(lactic acid) composites: Part 2 - Crystallinity and electrical properties

Shohih, Esa Nur; Kaavessina, Mujtahid; Distantina, Sperisa

doi:10.1063/5.0030590

Cited by 1 publication

(1 citation statement)

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“…38 Considering melting enthalpy values of samples, it is seen that the presence of CF has led to lower melting enthalpy values, which indicates that CF containing composites require less heat to reach melt phase compared to PBT, PBT10SG, PBT20SG, and PBT30SG. 39…”

Section: Resultsmentioning

confidence: 99%

Improving thermal conductivity of polybutylene terephthalate composites with hybrid synthetic graphite and carbon fiber

Yenier

Aker²,

Seki

et al. 2021

Journal of Thermoplastic Composite Materials

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Polybutylene terephthalate (PBT) is a semi-crystalline engineering thermoplastic polyester. PBT offers rapid molding cycles, high heat resistant, crystallinity, fatigue resistance, strength and rigidity, excellent electrical properties, creep resistance, reproducible mold shrinkage and chemical resistance. In this study, PBT was loaded with synthetic graphite and carbon fiber at different weight fractions (10–40 wt.%). PBT-based composites were fabricated by the melt mixing process by using a co-rotating twin screw extruder then thermal, mechanical and morphological properties of filled PBT composites was investigated. Weight fraction of carbon fiber (up to 30 wt.%) increases the tensile strength and flexural strength of PBT, but synthetic graphite loading decreases the tensile strength and flexural strength of PBT. The highest in-plane and through-plane thermal conductivity values were obtained as 9.24 for 40 wt.% synthetic graphite filled composite and 3.41 W/mK for 40 wt.% carbon fiber reinforced composite, respectively. Carbon fiber was found to be more effective in increasing the through-plane thermal conductivities than synthetic graphite.

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Section: Resultsmentioning

confidence: 99%