[PDF] Top 20 Effect of Bead Overlapping on the Microstructure and Mechanical Properties of CoCrWC Alloy Coatings

... number of papers have shown that controlling the chemical composition is a key point regarding the wear and corrosion resistance of ...investigated the effect of ... See full document

... wire and placed in automatic digital induction ...at the rate of 4 C per minute to avoid cracking and ...distortion. The samples were kept at 540C for 10 ...out of the ... See full document

... Mg-6Al alloy, which can lock the near grain motion at elevated temperatures and effectively resist the movement of grain boundaries and ...dislocations. The effect ... See full document

... CoCrMoSi alloy system has emerged as a candidate material to protect the surface of components to withstand harsh environments under wear and/or ...concerns and restricted a wider ... See full document

... shows the XRD patterns of solution treated (ST), CRA-20 and CRA-100 Ti-35Nb-7Zr-5Ta ...for the ST condition (Figure 2a), indicating that the alloy exhibits a martensitic start ... See full document

... growth of magnetron sputtered coatings. Better conditions of the energy and the flux of ion bombardment for CrN coatings, such as an increase of the ... See full document

... control of the film morphology, the mechanical and tribological properties are achieved via variations in the substrate bias potential, which in turn, modify the ... See full document

... Concerning the industrial applications where the major technological challenge is found and hardfacing with CoCrMoSi alloy (Tribaloy T400) might be used to protect components, this study ... See full document

... proportion of lightweight metals used in various industries for applications ranging from automotive components to aerospace parts etc ...improve the microstructure and its inherent ... See full document

... for the use in advanced propulsion systems of aircraft and automobile engine parts, due to the combination properties of low density, high speciic strength, high speciic ... See full document

... phases and equiaxed α and β transformation products (see ...to the change in heat input and material flow in ...gradient and strain gradient when compared to other welding conditions. ... See full document

... that the occurrence of this phenomenon depends on several parameters: the alloy chemical composition and its contraction characteristics during solidification, the ... See full document

... from the incomplete feeding in the mushy zone. The volume shrinkage associated with solidification cannot be compensated by the interdendritic flowing opposite to the displacement ... See full document

... capacity of 15 kg and frequency of 8 ...spread on the metallic charge, with the task of limiting access of oxygen to the liquid ...alloy. Alloy ... See full document

... up the work, it should be noted that the use of multi-point sequential cooling of metal mold with reduced wall thickness allows a good quality castings with low shrinkage ...porosity. ... See full document

... obtainment of correct results of the ...characteristic of good castability even in temperatures close to liquidus curve, what suggests implementation of low temperature of ... See full document

... development of steel grades for responsible engineering castings consists mainly in systematic increase of the imposed ...is the reason why the low-alloy structural steels ... See full document

... influence of aluminium (added in quantity from about 0.6% to about 2.8%) on both the alloy matrix and the shape of graphite precipitates in cast iron treated with a fixed ... See full document

... (THT) of titanium is a process in which hydrogen is used as a temporary alloying element in titanium ...controlling the microstructure and thereby improving the inal mechanical ... See full document

... in the welding of thin sheets of ...input and fair gap- bridging capacity than the conventional GMAW process with round filler ...with the increase in heat input primarily due to ... See full document