LMD Inconel 718 Spiral 2020-07-31

Description of dataset 10.5281/zenodo.4049842 Deposition of Inconel 718 square spiral with process parameters:<br> - Nominal power = 300 (W)<br> - Nominal velocity = 600 (mm/min)<br> - Powder flux = 0.0825 (g/s)<br> - Spiral size: 60 mm side, 3 mm step<br> - Nr. nozzles = 4<br> - Argon carrier flux = 4 (l/min)<br> - Argon shielding gas flux = 15 (l/min)<br> - Substrate temperature = Ambient The dataset is constituted by:<br> - Melt pool images, in file Deposition_2020_7_31__15_13_17.zip, acquired at 200fps with 850 nm narrow band filter, 1ms exposure time. 400x400 px size<br> - trackData_20200731.csv containing:<br> - t: timestamp in ms. Synchronized with imData_20200731.csv<br> - Xpos: laser spot X position in workspace<br> - Ypos: laser spot Y position in workspace<br> - Zpos: laser spot Z position in workspace<br> - G1: binary signal indicating active deposition (G1=1) or not<br> - D: track width measured at [Xpos(t), Ypos(t), Zpos(t)]<br> - H: track heigth measured at [Xpos(t), Ypos(t), Zpos(t)]<br> - A: track section area measured at [Xpos(t), Ypos(t), Zpos(t)]<br> - sdres: roughness index of section profile (std. deviation w.r.t. smoothed profile)<br> - Vnom: laser spot translational speed in m/s (computed from Xpos, Ypos, Zpos and t data)<br> - Pnom: nominal power<br> - V: Vnom in mm/min<br> - imData_20200731.csv containing:<br> - t: timestamp in ms. Synchronized with trackData_20191205.csv (some frames may have been lost)<br> - I_mean: mean image intensity (only on red channel)<br> - I_mean_crop: mean image intensity computed on central cropped image area (180x180 pixels)<br> - M_I_mean: I_mean after application of 8-sample moving average<br> - M_I_mean_crop: I_mean_crop after application of 8-sample moving average<br> - fileName: associated image file name<br> - beamON: laserON signal obtained from thresholding on images (background noise = off, minimal intensity level = on)数据集10.5281/zenodo.4049842说明：采用以下工艺参数沉积因科镍合金718（Inconel 718）方形螺旋结构： - 标称功率 = 300 W - 标称移动速度 = 600 mm/min - 送粉速率 = 0.0825 g/s - 螺旋尺寸：边长60 mm，步距3 mm - 喷嘴数量 = 4 - 氩载气流量 = 4 l/min - 氩保护气流量 = 15 l/min - 基板温度：室温 本数据集包含以下内容： - 熔池图像：存储于文件Deposition_2020_7_31__15_13_17.zip中，采用200fps帧率采集，搭配850 nm窄带滤光片，曝光时长1 ms，图像分辨率为400×400 px - trackData_20200731.csv，其包含以下字段： - t：时间戳，单位ms，与imData_20200731.csv同步 - Xpos：激光光斑在工作空间中的X轴位置 - Ypos：激光光斑在工作空间中的Y轴位置 - Zpos：激光光斑在工作空间中的Z轴位置 - G1：二进制信号，用于标识沉积过程是否激活（G1=1代表激活） - D：[Xpos(t), Ypos(t), Zpos(t)]位置处测得的熔道宽度 - H：[Xpos(t), Ypos(t), Zpos(t)]位置处测得的熔道高度 - A：[Xpos(t), Ypos(t), Zpos(t)]位置处测得的熔道截面面积 - sdres：熔道截面轮廓的粗糙度指数（即相对于平滑轮廓的标准差） - Vnom：激光光斑平移速度，单位m/s（由Xpos、Ypos、Zpos及t数据计算得到） - Pnom：标称功率 - V：以mm/min为单位的Vnom数值 - imData_20200731.csv，其包含以下字段： - t：时间戳，单位ms，与trackData_20191205.csv同步（可能存在部分帧丢失情况） - I_mean：图像平均强度（仅针对红色通道） - I_mean_crop：对图像中央裁剪区域（180×180像素）计算得到的平均强度 - M_I_mean：对I_mean进行8样本移动平均处理后的结果 - M_I_mean_crop：对I_mean_crop进行8样本移动平均处理后的结果 - fileName：关联的图像文件名 - beamON：通过对图像进行阈值处理得到的激光开启信号（背景噪声对应激光关闭状态，最小强度阈值对应激光开启状态）