Structural effect of nitrogen plasma-based ion implantation on ultra-high molecular weight polyethylene

Kostov, K. G.

doi:10.1016/s0257-8972(04)00285-3

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2007

2008

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Cited by 2 publications

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“…Exposure to low-temperature plasma and processing by immersing the whole object into plasma for ion treatment has become a rather widely used approach to modify wettability and reduce adhesion of bacterial cells [193,194,195,196,197,198,199,200].…”

Section: Carbon-based Materialsmentioning

confidence: 99%

Some Applications of Cathodic Arc Coatings

Anders

2008

Cathodic Arcs

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Section: Carbon-based Materialsmentioning

confidence: 99%

Some Applications of Cathodic Arc Coatings

Anders

2008

Cathodic Arcs

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“…The physical methods include nitrogen ion implantation [9,10], nitrogen plasma [10], fast atom beams [11], laser ablation [12], and chain disentanglement [13,14]. Although these treatments have shown an increase in adhesion properties, they can also cause damage and weakness to fibers [9][10][11]. There are also some chemical methods for improvement in the surface of UHMWPE, including sulfonation [15] and phosphonylated treatments [16], and the use of chromic acid and maleic anhydride grafting [9].…”

Section: Introductionmentioning

confidence: 99%

Improvement of Interfacial Adhesion between UHMWPE Fiber and Epoxy Matrix Using Functionalized Graphitic Nanofibers

Salehi‐Khojin

Stone

Zhong

2007

Journal of Composite Materials

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Ultra high molecular weight polyethylene (UHMWPE) fiber has advanced mechanical properties and excellent physical properties that include high effectiveness for cosmic radiation shielding, which is valuable for outer space missions. Unfortunately, poor interface in UHMWPE fiber—polymer composites hinders the structural integrity and safety, and restricts its effectiveness for the radiation shielding. In this study, we focus on the improvement of the adhesion property between the UHMWPE fiber and resin matrix by developing a nano-epoxy matrix through making a modification on the matrix with reactive graphitic nanofibers (r-GNFs). The interfacial adhesion between UHMWPE fiber and the nano-epoxy matrix with low concentrations of r-GNFs (0.15, 0.30, and 0.50 wt% ) is characterized by analyzing load—displacement curves from microbond tests. Study results show that crack initiation force, debonding force, debonding energy, and friction energy from the microbond tests increase considerably, due to the effective improvement of interfacial adhesion property by the nano-epoxy matrix. One-dimensional shear-lag analysis is applied for theoretical calculations. Calculated results on ultimate adhesive strength and external stress show agreement with the experimental results. Study results reveal that the nano-matrix with 0.30 wt% of r-GNFs is the most effective to improve adhesion properties between UHMWPE fiber and the epoxy.

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Structural effect of nitrogen plasma-based ion implantation on ultra-high molecular weight polyethylene

Cited by 2 publications

References 0 publications

Some Applications of Cathodic Arc Coatings

Some Applications of Cathodic Arc Coatings

Improvement of Interfacial Adhesion between UHMWPE Fiber and Epoxy Matrix Using Functionalized Graphitic Nanofibers

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