The sintering temperature and holding time have a significant impact on the densification of ceramic compact. In this study, alumina inserts were made with varying temperatures times. procedure began compacting powders inside mould trapezium round shapes. These then sintered between 1200 °C 1400 for 5 to 9 h time. samples underwent analysis based shrinkage size, density, microstructure. sample ...

Glass fibre reinforced polymer (GFRP) composite materials replace traditional engineering due to their properties. Accordingly, the need for accurate machining of composites has increased enormously. The advantages include high strength weight ratio, fracture toughness and excellent corrosion thermal resistance. Even though moulding process may produce GFRP parts, they require further facilitat...

SKD11 steel is a high-carbon and high-chromium alloy tool used to do cold work or hot dressing dies, sides of rollers, screw heading molds. The hardened has high hardness 58-62HRC, good wear resistance, toughness. Hard turning an important process because manufacturers continually seek ways manufacture their parts with lower cost, higher quality, rapid setups, investment, smaller tooling invent...

one of the disadvantages of conventional milling tools is to produce a large amount of heat in cutting zone and so making the tool warmer. as a result, the tool would be worn and its life time would be reduced. therefore, in long time machining, it is essential to change inserts and tools, continiously. a milling tool with self rotary cutting inserts was designed and manufactured that enables i...

Abstract Duplex α/β-SiAlON ceramic cutting inserts (30α:70β) were synthesized by microwave sintering. The effects of solid solution parameters ( m, n, z ), synthesis temperature, and amount excess Y 2 O 3 additive on phase assemblage, microstructure, mechanical properties, performance systematically investigated. It was found that increasing m value could improve the formation α while high over...

Abstract The lifetime of neural implants is strongly dependent on packaging due to the aqueous and biochemically aggressive nature body. Over last decade, there has been a drive towards neuromodulatory which are wireless approaching millimeter-scales with increasing electrode count. A so-far unrealized goal for these new types devices an in-vivo comparable sizable fraction healthy patient’s (&g...