STUDY OF SCRATCH RESISTANCE OF POLYETHYLENE AND ITS COMPOSITE REINFORCED WITH NANO-SIZED CALCIUM CARBONATE

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BAZOUBANDI N.; ZEBARJAD S.M.; SAJJADI S.A.

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Journal: JOURNAL OF NEW MATERIALS Year:2014 | Volume:4 | Issue:2 (14) Page(s): 79-92

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Title

STUDY OF SCRATCH RESISTANCE OF POLYETHYLENE AND ITS COMPOSITE REINFORCED WITH NANO-SIZED CALCIUM CARBONATE

Author(s)

BAZOUBANDI N. | ZEBARJAD S.M. | SAJJADI S.A. | Issue Writer Certificate

Keywords

POLYETHYLENEQ2

NANO-SIZED CALCIUM CARBONATEQ2

FILM SWFACE DEFORMATIONQ3

SCRATCHQ3

Abstract

In this study, SCRATCH test was performed at different conditions to examine the effects of calcium carbonate on SCRATCH resistance of POLYETHYLENE (PE). To do this, PE reinforced with different content of NANO-SIZED CALCIUM CARBONATE (0, 5, 7.5 and 10 wt.%) were produced. The samples of PE and PE-10%CaCO3 recrystallized in toluene solvent to study their microstructures using potassium permanganate solution as etchant. Nanocomposite samples were SCRATCHed by a conical indenter at the normal loads of 5, 15, and 25 N and SCRATCH speed of 1 mm/s. In order to represent the materials resistance to SCRATCH deformation, the SCRATCH hardness of each sample was calculated. The SCRATCH groove of some samples was examined by scanning electron microscopy (SEM). The microstructures illustrate that the reinforcement of POLYETHYLENE with calcium carbonate causes the decrease the average diameter of spherulites. The results of SCRATCH test indicate that the SCRATCH hardness is increased by increasing CaCO3% for all normal loads; although for small normal loads, this positive effect is much higher than that of big loads. The deformation mechanism of PE and PE-CaCO3% is ductile ploughing and this is similar at the loads which are smaller than 25N. However, it is fish-scale for PE and plastic drawing for PE-10%CaCO3 at the load of 25N.

Cites

MICROSTRUCTURE EVALUATION OF ACRYLONITRIL-BUTADIENE COPOLYMER NANO COMPOSITES REINFORCED BY NANO-CALCIUM CARBONATE BY PERMEABILITY TEST

References

A STUDY ON THE ROLE OF BOTH NANO-SIZED ALUMINA PARTICLES AND SCRATCH FORCE ON DEFORMATION MECHANISM OF POLY METHYL METHACRYLATE NANOCOMPOSITE

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APA: Copy

BAZOUBANDI, N., ZEBARJAD, S.M., & SAJJADI, S.A.. (2014). STUDY OF SCRATCH RESISTANCE OF POLYETHYLENE AND ITS COMPOSITE REINFORCED WITH NANO-SIZED CALCIUM CARBONATE. JOURNAL OF NEW MATERIALS, 4(2 (14)), 79-92. SID. https://sid.ir/paper/170044/en

Vancouver: Copy

BAZOUBANDI N., ZEBARJAD S.M., SAJJADI S.A.. STUDY OF SCRATCH RESISTANCE OF POLYETHYLENE AND ITS COMPOSITE REINFORCED WITH NANO-SIZED CALCIUM CARBONATE. JOURNAL OF NEW MATERIALS[Internet]. 2014;4(2 (14)):79-92. Available from: https://sid.ir/paper/170044/en

IEEE: Copy

N. BAZOUBANDI, S.M. ZEBARJAD, and S.A. SAJJADI, “STUDY OF SCRATCH RESISTANCE OF POLYETHYLENE AND ITS COMPOSITE REINFORCED WITH NANO-SIZED CALCIUM CARBONATE,” JOURNAL OF NEW MATERIALS, vol. 4, no. 2 (14), pp. 79–92, 2014, [Online]. Available: https://sid.ir/paper/170044/en

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