LMD Inconel 718 Random Tracks 2021-03-03 r2

Description of dataset 10.5281/zenodo.5607279 Deposition of 4 Inconel 718 random tracks 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<br> - Machine: Laserdyne 430 The dataset is constituted by:<br> - Melt pool images, in file Deposition_2021_03_03__15_42_36.zip, acquired at 200fps with 850 nm narrow band filter, 1ms exposure time. 400x400 px size<br> - trAll.csv containing:<br> - t: timestamp in ms. Synchronized with imAll.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> - imAll.csv containing:<br> - t: timestamp in ms. Synchronized with trAll.csv<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) Additional source files:<br> - G-Code part program RandomTrack_0_rot_False.cnc<br> - Machine log file Scope 20210303-154513 RANDOMTRACK_r2.mos<br> - 3D scan of sample geometry randomTrack_r2_keyence_2_skip3_surface<br> - Sample photo 20210303_RandomTracks_r2.jpeg数据集10.5281/zenodo.5607279说明：本次数据集包含4条英科耐尔718（Inconel 718）合金随机沉积轨迹，配套工艺参数如下： - 标称功率：300 W - 标称移动速度：600 mm/min - 送粉率：0.0825 g/s - 螺旋轨迹尺寸：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 - 加工设备：Laserdyne 430 该数据集由以下内容组成： 1. 熔池图像：存储于压缩包Deposition_2021_03_03__15_42_36.zip中，采集帧率为200fps，采用850 nm窄带滤光片，曝光时长1ms，图像分辨率为400×400像素。 2. trAll.csv文件包含如下字段： - t：时间戳，单位为毫秒，与imAll.csv文件同步 - Xpos：激光光斑在工作空间中的X轴坐标 - Ypos：激光光斑在工作空间中的Y轴坐标 - Zpos：激光光斑在工作空间中的Z轴坐标 - G1：二进制信号，用于标识当前是否处于激活沉积状态（G1=1时代表激活） - D：在坐标[Xpos(t), Ypos(t), Zpos(t)]处测得的熔道宽度 - H：在坐标[Xpos(t), Ypos(t), Zpos(t)]处测得的熔道高度 - A：在坐标[Xpos(t), Ypos(t), Zpos(t)]处测得的熔道截面面积 - sdres：截面轮廓粗糙度指标（即相对于平滑轮廓的标准差） - Vnom：通过Xpos、Ypos、Zpos及t数据计算得到的激光光斑平移速度，单位为m/s - Pnom：标称功率 - V：以mm/min为单位的Vnom数值 3. imAll.csv文件包含如下字段： - t：时间戳，单位为毫秒，与trAll.csv文件同步 - I_mean：图像平均灰度均值（仅针对红色通道） - I_mean_crop：对图像中央裁剪区域（180×180像素）计算得到的图像平均灰度均值 - M_I_mean：I_mean经8样本移动平均处理后的结果 - M_I_mean_crop：I_mean_crop经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） 附加源文件： - G代码加工程序RandomTrack_0_rot_False.cnc - 设备日志文件Scope 20210303-154513 RANDOMTRACK_r2.mos - 试样几何三维扫描数据randomTrack_r2_keyence_2_skip3_surface - 试样照片20210303_RandomTracks_r2.jpeg