[PDF] Top 20 Rendimento do café conilon em função do armazenamento.

... against wear and corrosion of CrN, CrMoN, CrZrN, CrVN single layer thin ...to CrN, while CrMoN demonstrated a poor corrosion resistance;(ii) the CrN coating ... Voir le document complet

... Hard coatings are a suitable solution for increasing the lifetime of tools and components employed in different industrial ...applications. Coatings of transition metal nitrides have ... Voir le document complet

... is deposited on the surface of a component by some of the welding techniques ...abrasive and erosive wear, like in mining, crushing and grinding, and agriculture ... Voir le document complet

... The coatings of FeAlCuCrCoMn high entropy alloy were deposited by direct current magnetron ...microstructure and the mechanical and corrosion properties of ... Voir le document complet

... were deposited onto tungsten carbide from a sintered SiC target on a ...r.f. magnetron sputtering system. Based on previous results about the influence of ...power and argon ... Voir le document complet

... inglês sputtering) foi descoberta no século passado, tendo sua primeira aplicação em 1877 como processo de deposição de filmes ...de sputtering recebeu várias modificações em sua estrutura para aumentar sua ... Voir le document complet

... deposition of pure-phase anatase and rutile thin films prepared at low temperatures (less than 150 0 C) by reactive dc magnetron sputtering onto well-cleaned p-type Si ...variation ... Voir le document complet

... aeronautic and automobilist industries. Its hardness and low density are attractive properties for such industrial ...severe corrosion in aggressive media as saline or low Earth orbit ...properties ... Voir le document complet

... transmittance of ZnO:Al thin ilms as a function of wavelength for various ...spectra of glass, ZnO and ZnO:Al ...ilms of ZnO:Al in the visible ...region, and thus are relective 2 ... Voir le document complet

... 4 and 5, ...radius R and the outer calotte diameter ...plots of SN versus: diameters size (ig. 11a), wear volumes (ig. 11b) and total penetration depth ...measurements of ... Voir le document complet

... followed by the ‘Carrier gas pressure ‘, ‘Powder feed rate’ and finally the ‘Standoff ...explain by the improvement on the splats deformation and oxide content ...porosity of the ... Voir le document complet

... success of adhesion in order to prevent degradation under aggressive environments depends on the chemical compatibility and durability of the interface between different ...properties of the ... Voir le document complet

... geometry and a CuKα radiation source (λ= ...morphological and elemental composition analyses were carried out using a scanning electron spectroscopy-SEM Philips XL 30 TMP, applying the standard energy ... Voir le document complet

... contribution of both adhesion and abrasion components increased, which is supported by SEM images of worn abrasive papers, as shown in ...formation of tribo films, which also decreases ... Voir le document complet

... por magnetron sputtering, como fonte de adição de elemento microligante na forma de nanopartículas de titânio dispersa em matriz de ...por magnetron sputtering podem combinar a dispersão ... Voir le document complet

... curves of resistivity with those of grain size, that the decrease in resistivity of the Mo films is accompanied by an increase of the grain ...explained by assuming that ... Voir le document complet

... de magnetron sputtering com alvos distintos (Zeng 1999), ao passo que, filmes contendo TiN[Nb] podem ser construídos por difusão do nitrogênio (Benvenuti, et ...por magnetron sputtering ... Voir le document complet

... abrasion wear test was performed for untreated and borided ...diameter of 25.4 mm and was made of AISI 52100 ...samples and ball were ultrasonically cleaned in acetone for 5 ... Voir le document complet

... lengths of granules are also not more than 1 ...size of granules could be counted, as tabulated in Table ...diameters of granules varying even in a similar ...limitation of SEM apparatus as ... Voir le document complet

... inluence of heat treatment on the wear resistance of electroless high phosphorus nickel coating (9-10% P ...untreated and treated Ni-P deposits were then compared to electroplated hard ... Voir le document complet