科研之友
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摘要
High-density polyethylene (HDPE) composites reinforced with steel wire axe utilized in the manufacture of pipes that are used in deep-sea environments. This study investigates the plasma treatment of HDPE and steel materials to improve the interfacial strength of HDPE/steel composites. HDPE and a steel plate were surface-treated in a plasma cleaner using oxygen gas. To determine the optimal treatment time, we measured the contact angle as a function of the treatment time. Shear and bending tests were performed using both the plasma-treated and the untreated HDPE/steel composites. When the plasma treatment was performed, the contact angle decreased from similar to 76 degrees to similar to 41 degrees in the case of HDPE and decreased from similar to 69 degrees to similar to 2 degrees in the case of the steel plate. However, the contact angle remained almost constant as the treatment time was increased for both the materials. The results also revealed that the shear strength and the bending strength of the plasma-treated HDPE/steel composites were approximately 4800% and 23% greater, respectively, than those of the untreated HDPE/steel composites.
- 出版日期2009-3
