Abstract One of the main limits productivity during cutting processes is occurrence regenerative chatter. Due to these self-excited vibrations, load capacity machine components, tool as well performance cannot be fully utilized. There are several methods stabilize milling process. use increased process damping, which results from contact tool’s flank face and workpiece. The wear land naturally ...

Aluminum composites exhibit high resistance to wear and corrosion, possess strength, offer durability more such properties. In this study, Al7075, reinforced with nano size SiC - Gr was produced by a stir casting technique its microstructure mechanical behavior were evaluated. Reinforcements added in the range of 0 3 wt. %. The tensile compression strength developed hybrid Metal Matrix Composit...

Al7075 alloy reinforced with h-Boron Nitrate (BN) composites were processed by stir casting technique. The produced composite was subjected to microstructural studies using OLYMPUS -BX51M, tensile, hardness, density and wear tests. Tensile strength and hardness were found to increase by 12.8% and 20% respectively due to increased dislocation density with the addition of reinforcement. Microstru...

Sheets of aluminum 7075 and titanium Ti-6Al-4V alloys were successfully joined using the spark plasma sintering (SPS) process. A copper foil was placed as an interlayer between two surfaces. The bonding made at 480 °C, 500 520 °C with a holding time 10 min under uniaxial pressure 5 MPa MPa. obtained bonds analyzed by scanning electron microscopy, energy dispersive spectroscopy (SEM/EDS), wavele...

Abstract This paper, on the basis of error modelling, proved optimal pocket machining sequences a simply end supported pocketed beam using mathematic induction method. The sequence with minimum floor height is from both ends to middle and not unique because symmetric supports about central plane; meanwhile, wall position fixed free unique. A Al7075 (744 mm in length, 172 width, 100 thickness ) ...

Surface roughness is a common indicator of the quality characteristics for machining processes. The machining process is more complex, and therefore, it is very hard to determine the effects of process parameters on surface quality in all turning operations. The present work deals with the study and development of a regression model to predict surface roughness in terms of geometrical parameter...

Metallic glass-reinforced metal matrix composites are an emerging class of composite materials. The metallic nature and the high mechanical strength of the reinforcing phase offers unique possibilities for improving the engineering performance of composites. Understanding the structure at the amorphous/crystalline interfaces and the deformation behavior of these composites is of vital importanc...

The microstructure, phase composition, and microhardness of both gas-atomized and mechanically milled powders of the Al7075 + 1 wt % Zr alloy were investigated. The gas-atomized powder exhibited a cellular microstructure (grain size of a few µm) with layers of intermetallic phases along the cell boundaries. Mechanical milling (400 revolutions per minute (RPM)/8 h) resulted in a grain size reduc...