… Elevatedregions in produced layers pose a major risk to processstability as collisions between … This requires a quantitativeanalysis of elevatedregionarea and severeness, for which …
V Gunenthiram, P Peyre, M Schneider, M Dal… - Journal of Materials …, 2018 - Elsevier
… surface by a high velocity shielding gas … lasermelting in powder-bed based ALM processes. Moreover, the formation of residual porosity may be promoted by instability regimes at high …
… image using four point homography estimation and warping with bicubic … LaserBeamMelting using the described high resolution imaging system. In a first building test, processstability …
… quantitatively reveal melt pool evolution under constant IEDs during the LPBF additive manufacturingprocess, by using the high… simultaneously increased, and the ratio remains stable …
M Godec, S Zaefferer, B Podgornik, M Šinko… - Materials …, 2020 - Elsevier
… As the austenite structure has a high probability of stacking-fault generation due to the low stacking-fault energy [33], the thermal stresses are compensated through the stable …
… onto the build platform and melted by a laser according to the desired … stability and quality management. We present an image analysis method, which segments part contours in high-…
… fraction (A f ) quantified using ImageJ. The top surfaces of the as-… , the increasedinstability of melt flow with increasedlaser … nickel-based superalloy fabricated by electron beammelting …
… SLM process, highlaser power (up to 400 W) and high scanning … compact laser of low power with high quality laser radiation … Nevertheless, the formation of a stable molten zone when …
S Clijsters, T Craeghs, S Buls, K Kempen… - The International Journal …, 2014 - Springer
… as a good indication for the melt pool stability and quality. … This section focuses on quality assessment of the measuredmelt … This confidence interval is the basis for quality estimation (…