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首页> 外文期刊>Applied Surface Science >Sliding Tribological Properties Of Untreated And Piii-treated Petp
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Sliding Tribological Properties Of Untreated And Piii-treated Petp

机译：未经处理和经Piii处理的Petp的滑动摩擦学特性

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摘要

Poly(ethylene terephthalate) (PETP) was treated by plasma immersion ion implantation (PIII or PI~3) in nitrogen. The surface changes were characterised by XPS and water contact-angle measurements. Sliding tribological properties of untreated and nitrogen Pill-treated PETP against conventional low carbon structural steel S235 were studied under dry and water-lubricated conditions by a pin-on-disc tribometer. XPS results suggested the evolution of surface composition and bonding towards those of amorphous hydrogenated carbon-nitride. Water contact-angle decreased implying increased surface wettability. At a very low Pv factor (0.0075 MPa m s~(-1)) for the nitrogen Pill-treated PETP the dry friction coefficient was smaller than, while the lubricated friction coefficient was similar to, the corresponding value of the untreated variant. At higher Pv factors (near 0.1 MPa m s~(-1)), however, both the dry and lubricated friction coefficients were higher for the treated sample than for the untreated variant, suggesting an increased adhesion component of friction for the nitrogen Pill-treated PETP in this region.
机译：聚对苯二甲酸乙二醇酯（PETP）通过在氮气中进行等离子体浸没离子注入（PIII或PI〜3）进行处理。通过XPS和水接触角测量来表征表面变化。通过针盘式摩擦计研究了在干燥和水润滑条件下，未经处理和经氮丸处理的PETP相对于常规低碳结构钢S235的滑动摩擦学性能。 XPS结果表明表面成分的发展和向非晶氢化碳氮化物的键合。水接触角减小，表明表面润湿性增加。对于氮丸处理的PETP，在非常低的Pv因子（0.0075 MPa m s〜（-1））时，干摩擦系数小于未处理变体的相应值，而润滑摩擦系数类似于。然而，在较高的Pv因子下（接近0.1 MPa ms〜（-1）），处理过的样品的干摩擦系数和润滑摩擦系数均高于未处理的样品，这表明氮丸处理后的摩擦附着力成分增加了该区域的PETP。

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