An Experimental Study Of Dlc Film On Razor Blade Edge

Diamond-like carbon films have many excellent properties,including high hardness,high wear resistance, low friction coefficient, good thermal stability and transmission within IR range,high electrical resistance, low dielectric constant, high hydrophobicity and biocompatibility, which make it has various application and attracts people's great concern.In order to satisfy the requests of using comfortably and long lifespan, we deposited DLC films on 6Cr13 stainless steel razor blade edge, making use of characters of DLC films' high hardness,high wear resistance and low friction coefficient.In this paper we successfully deposited DLC films on the 6Cr13 stainless steel razor blade edge applied chromium(Cr) metal intermediate layers using CH4, H2 as source gases and argon as diluent gas by radio frequency plasma enhanced chemical vapor deposition (rf PECVD) process.We deposited DLC films with different characters,emphasizing studying the relationship between the structure and performance of DLC films and incident power. The films', composition and structure were detected by Raman spectroscopy and X-ray diffraction spectroscopy (XRD); The morphology was characterized by scanning electron microscopy; The mechanical and friction properties were tested by the indentometer and pin on disc tester;The cut force was checked by cut force tester;The lifespan was also tested..The result shows that the DLC films can be deposited on 6Crl3 stainless steel razor blade edge by rf-PECVD. Due to the interstress between films and substrates, the adhesion of DLC films on substrates has a problem. Films are cracked and peeled off easily from the substrates.To solve the problem, Cr metal intermediate layers are prepared by magnetron sputtering technique before DLC films deposited by rf-PECVD. XRD indicates that the films is amorphous; Raman spectroscopy,indentometer and cut force tester indicates that the films show typical characteristic of DLC film. With the increase of incident power, the sp3 content first increase then decrease, the hardness has the same change rule, which reaches the maximum at 100 watt; SEM shows that there existed DLC films on razor blade edge; The coefficient of friction which deposited with DLC films is lower than the substrate;. The lifespan which deposited with DLC films is three times longer than the former one,so is the corrosion resistance.