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首页> 外文会议>AIAA/ASCE/AHS/ASC structures, structural dynamics and materials conference;AIAA SciTech Forum >Static Material Properties and Fatigue Characterization of Additive-Manufactured Parts in Extrusion-Based Technologies
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Static Material Properties and Fatigue Characterization of Additive-Manufactured Parts in Extrusion-Based Technologies

机译：基于挤压技术的增材制造零件的静态材料特性和疲劳特性

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Extrusion additive manufacturing (AM) produces a component by constructing multiple layers of the cross-sectional geometries of the component. This layer-to-layer manufacturing technique and the various build parameters within a single layer greatly affect the mechanical properties of the component. This paper reports the findings of the experimental tensile tests that were executed to correlate the effects of various build parameters on the static and dynamic mechanical properties of extrusion additive manufactured ULTEM 9085 parts. Only one build parameter was varied between each sample set, while the default settings were used for the remaining build parameters. The static tests produced ultimate tensile strength data for the following build parameters: build orientation, raster angle, raster thickness, number of contours, contour thickness, and contour depth. The fatigue characterization was broken down into two separate experiments. Specimen with default build parameters were used to verify the fatigue data generated by others. Samples with varying contour thicknesses and raster thicknesses were used to correlate the effects of build parameters on the fatigue life of ULTEM 9085.
机译：挤出增材制造（AM）通过构造零件横截面几何形状的多层结构来生产零件。这种层到层的制造技术以及单个层中的各种构建参数会极大地影响组件的机械性能。本文报告了实验拉伸试验的结果，该试验被执行以关联各种构建参数对挤出添加剂制造的ULTEM 9085零件的静态和动态力学性能的影响。每个样本集之间仅更改一个构建参数，而其余构建参数使用默认设置。静态测试针对以下构建参数生成了极限拉伸强度数据：构建方向，栅格角度，栅格厚度，轮廓数量，轮廓厚度和轮廓深度。疲劳特性分为两个单独的实验。具有默认构建参数的标本用于验证其他人生成的疲劳数据。使用具有不同轮廓厚度和栅格厚度的样品来关联构建参数对ULTEM 9085疲劳寿命的影响。

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