دانلود مقاله ترجمه شده پیوند بین وجهی زیر لایه های فیبری و مس با پوشش کاتدی – مجله الزویر

فهرست مطالب:

چکیده
مقدمه
آزمایش
تهیه مواد
تست سایش
تست لایه برداری
مشاهدات AFM
نتایج و بحث
ریخت شناسی سطحی
تست سایش
تست لایه برداری
مشاهده بین وجهی
نتیجه گیری

بخشی از ترجمه:

 این مطالعه به بررسی کارکردی شدن منسوجات توسط پوشش دهی کاتدی مس می پردازد. ساختارهای سطحی و بین سطحی  توسط میکروسکوپ نیروی اتمی  بررسی شد.مشاهدات AFM ساختارهای بین سطحی تحت تاثیر پوشش دهی را نشان داد. پی برده شد که  پیش تیمار پلاسما و گرمادهی  طی فرایند پوشش دهی موجب بهبود چسبندگی لایه پوششی به سوبسترای فیبری شد. بهبود چسبندگی بین سطحی به اثر زبری ناشی از پیش تیمار و تاثیر انتشاری توسط گرمادهی نسبت داده می شود.

بخشی از مقاله انگلیسی:

۱٫ Introduction Textile materials have been increasingly used in many industries ranging from automobile, medical and health care to aerospace [1]. For all these technical applications it is desirable to produce such textile materials with specially designed surface features to meet various needs. Various techniques have been developed to functionalize textile materials [2–۴]. In recent years, physical vapor deposition (PVD) [5] has been applied to modify textile materials due to its inherent merits, such as environmental friendly, various functions and solvent-free process. Sputter coating is one of the most commonly used techniques in PVD, which has been widely used in glass, ceramic and micro-electronic industries [6]. Sputter coating produces very thin metallic or ceramic coatings on to a wide range of substrates, which can be either metallic or non-metallic in different forms. Sputter coating has also been used to coat textile materials for technical applications[7,8]. The sputtered atoms have a high energy and when they impinge on any surface, they form a surface coating. The adhesion between the coated layer and the substrate plays a very important role in various applications of the sputter coated materials [9]. Plasma treatment has used to enhance the coating adhesion on the polymer substrates [10]. Plasma treatment has also been increasingly used to modify polypropylene materials [11]. In this study, the interfacial bonding between fibrous substrate and sputter coated copper was investigated and discussed by abrasion test and peel-off test. The effects of plasma pretreatment and heating during the sputter coating process were examined and the mechanism of the interfacial adhesion between copper and polymer substrate was also studied by atomic force microscopy. 2. Experimental 2.1. Materials preparation The material used in this study was polypropylene (PP) spunbonded nonwoven with a mass per unit area of 75± ۲ g/m2 . samples of the nonwoven material were washed with ethanol and rinsed with distilled water before the sputter coatings. After washing, the samples were dried in an oven at 40 °C. The plasma pretreatment of the PP nonwoven samples was performed in a HD-1A vertical laboratory plasma treatment machine to investigate the effect of the pretreatment on the interfacial adhesion of the coating layer. Oxygen was used as the treatment gas. The treatment conditions were set at a pressure of 15 Pa with a power of 50 W. A magnetron sputter coating system JZCK-420B was used to deposit a nanolayer on the materials. A high-purity Cu target (99.999%) was mounted on the cathode, and the nonwoven sample was placed on the anode with a side facing the target. The DC (direct current) power used for Cu sputtering was adjusted to 50 W. Argon (99.999%) was used as the bombardment gas. The sputtering pressure was set at 0.9 Pa. The thickness of the deposition layer was measured using a coating thickness detector (FTM-V) fixed in the sputtering chamber. The effect of the heating during the sputtering process on the interfacial adhesion of the coated layer was also investigated by using different temperatures. The combination of the plasma treatment and heating was also tried for comparison in this study. The details of the samples prepared in this study are listed in Table 1. ۲٫۲٫ Abrasion test The abrasion test was performed on a Zweigle G552 abrasion tester to study the surface and interfacial properties. Abrasion load was 30 g. The size of the sample was 20 cm × ۱٫۰ cm. All the tests were performed at 20 ± ۲ °C and 65 ± ۲% RH (relative humidity). Each test was carried out three times and the average values were reported. 2.3. Peel-off test The peel-off test was performed on a Zwick universal materials testing machine to examine the interfacial adhesion of the coated layer. The test speed was set at 200 mm/min in this study. The initial distance was 10 mm. The tape used was 3M600 test adhesive tape. The test samples were cut into 7 cm× ۲٫۵ cm for the peel-off test. The samples were pressed with a load of 400 g for 12 h before the peel-off test. All the tests were performed at 20± ۲ °C and 65± ۲% RH (relative humidity). Each test was carried out three times and the average values were reported. 2.4. AFM observation The surface and interfacial structures of the sputter coated fibers were observed by atomic force microscopy (AFM). The AFM used was a Benyuan CSPM 4000 Atomic Force Microscope (AFM). Scanning was carried out in contact mode AFM with a silicon cantilever. Scanning size was 5000 nm× ۵۰۰۰ nm and all images were obtained at ambient conditions.