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Effect of tribological condition on forming minute parts by micro-meso extrusion of A6063 alloy

机译：摩擦素态调料对A6063合金微米挤出的影响

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The recent trend towards miniaturization of products and technology has boosted a strong demand for such metallic micro-parts with micro features and high tolerances. Conventional forming technologies, such as extrusion and drawing, have encountered new challenges at the micro-scale level due to the 'size effects' that tends to be predominant at this scale level. Friction is one of the predominant factors exercising strong effects in micro-forming. Previous studies varied grain size of the test pieces in order to examine size effects in micro-extrusion. In addition, the effects on the extrusion load, forming shape, as well as hardness of different grain sizes, die coatings and lubricants were compared. DLC coating has been proven effective as a die coating. Increasing grain size was effective with lubricants having high viscosity. In this study, the effect of different die angles and lubricants is compared and examined.
机译：最近对产品和技术小型化的趋势提升了对具有微观特征和高公差的金属微零件的强烈需求。由于“尺寸效应”，诸如挤出和绘图，例如挤出和绘图，如挤出和绘图，在微尺度水平上遇到了新的挑战，这在这种规模水平上往往是主要的。摩擦是在微观成形中施加强烈影响的主要因素之一。以前的研究变化了测试片的晶粒尺寸，以便在微挤出中检查尺寸效应。此外，比较了对挤出载荷，形成形状的影响以及不同粒度尺寸，模具涂层和润滑剂的硬度。 DLC涂层已被证明是模具涂层的效果。粒度增加含有高粘度的润滑剂是有效的。在该研究中，比较和检查不同模糊角度和润滑剂的效果。

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