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首页> 外文期刊>Journal of Materials Engineering and Performance >Microstructural Alterations Associated With Friction Drilling of Steel, Aluminum, and Titanium
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Microstructural Alterations Associated With Friction Drilling of Steel, Aluminum, and Titanium

机译：与钢，铝和钛的摩擦钻孔相关的微观组织变化

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摘要

Friction drilling, also called thermal drilling, is a novel sheet metal hole-making process. The process involves forcing a rotating, pointed tool through a sheet metal workpiece. The frictional heating at the interface between the tool and workpiece enables the softening, deformation, and displacement of work-material and creates a bushing surrounding the hole without generating chip or waste material. The bashing can be threaded and provides the structural support for joining devices to the sheet metal. The research characterizes the microstructures and indentation hardness changes in the friction drilling of carbon steel, alloy steel, aluminum, and titanium. It is shown that materials with different compositions and thermal properties affect the selection of friction drilling process parameters, the surface morphology of the bore, and the development of a highly deformed layer adjacent to the bore surface.
机译：摩擦钻孔，也称为热钻孔，是一种新颖的钣金制孔工艺。该过程涉及迫使旋转的尖头工具穿过钣金工件。工具和工件之间的界面处的摩擦加热使工作材料软化，变形和移位，并在不产生切屑或废料的情况下在孔周围形成了衬套。抛光可以是螺纹的，并为将设备连接到金属薄板提供结构支撑。该研究表征了碳钢，合金钢，铝和钛的摩擦钻削过程中的显微组织和压痕硬度变化。结果表明，具有不同成分和热性能的材料会影响摩擦钻孔工艺参数的选择，孔的表面形态以及邻近孔表面的高度变形层的形成。

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