Search Results - "Sagar Nikam"

A simplified thermal approximation method to include the effects of Marangoni convection in the melt pools of processes that involve moving point heat sources by Nikam, Sagar H., Quinn, Justin, McFadden, Shaun

“…Processes that use moving point heat sources to temporarily create localized melt pools (metal additive manufacture and fusion welding) have a flow phenomenon…”
Get full text

Optimization of parameters of micro-plasma transferred arc additive manufacturing process using real coded genetic algorithm by Nikam, Sagar H., Jain, Neelesh Kumar, Sawant, Mayur S.

“…Micro-plasma transferred arc additive manufacturing (μ-PTAAM) process developed at IIT Indore has proven be an energy and material efficient additive…”
Get full text

3D-finite element simulation and image processing based prediction of width and height of single-layer deposition by micro-plasma-transferred arc process by Nikam, Sagar H., Jain, Neelesh Kumar

“…This paper reports on prediction of width and height of single-layer deposition by micro-plasma-transferred arc (μ-PTA) deposition process. It involved (i) 3D…”
Get full text

Three-dimensional thermal analysis of multi-layer metallic deposition by micro-plasma transferred arc process using finite element simulation by Nikam, Sagar H., Jain, Neelesh K.

“…•3D FES of temperature and thermal cycles in multi-layer deposition by μ-PTA process.•Study of effect of deposition direction on temperature and thermal…”
Get full text

Reuse of Grade 23 Ti6Al4V Powder during the Laser-Based Powder Bed Fusion Process by Harkin, Ryan, Wu, Hao, Nikam, Sagar, Quinn, Justin, McFadden, Shaun

“…Titanium alloy powder used for laser-based powder bed fusion (L-PBF) process is costly. One of the solutions is the inclusion of a powder recycling strategy,…”
Get full text

Powder Reuse in Laser-Based Powder Bed Fusion of Ti6Al4V-Changes in Mechanical Properties during a Powder Top-Up Regime by Harkin, Ryan, Wu, Hao, Nikam, Sagar, Yin, Shuo, Lupoi, Rocco, McKay, Wilson, Walls, Patrick, Quinn, Justin, McFadden, Shaun

“…The properties of Extra Low Interstitials (ELI) Ti6Al4V components fabricated via the laser-based powder bed fusion (L-PBF) process are prone to variation,…”
Get full text

Analysis of Spatter Removal by Sieving during a Powder-Bed Fusion Manufacturing Campaign in Grade 23 Titanium Alloy by Harkin, Ryan, Wu, Hao, Nikam, Sagar, Quinn, Justin, McFadden, Shaun

“…The Laser-based Powder Bed Fusion (L-PBF) process uses a laser beam to selectively melt powder particles deposited in a layer-wise fashion to manufacture…”
Get full text

A Deep Learning Approach to Classify and Detect Defects in the Components Manufactured by Laser Directed Energy Deposition Process by Patil, Deepika B., Nigam, Akriti, Mohapatra, Subrajeet, Nikam, Sagar

“…This paper presents a deep learning approach to identify and classify various defects in the laser-directed energy manufactured components. It mainly focuses…”
Get full text

Code-to-code verification for thermal models of melting and solidification in a metal alloy: comparisons between a Finite Volume Method and a Finite Element Method by Harley, Anna M. V, Nikam, Sagar H, Wu, Hao, Quinn, Justin, McFadden, Shaun

“…Verification, the process of checking a modelling output against a known reference model, is an important step in model development for the simulation of…”
Get full text

A Review of the Image Classification Models Used for the Prediction of Bed Defects in the Selective Laser Sintering Process by Matthew Colville, Emmett Kerr, Sagar Nikam

“…Defects formed during the spreading of powder, known as powder bed defects, are a major issue in additive manufacturing processes. Deep learning (DL)-based…”
Get full text

Evaluation of the role of hatch-spacing variation in a lack-of-fusion defect prediction criterion for laser-based powder bed fusion processes by Harkin, Ryan, Wu, Hao, Nikam, Sagar, Yin, Shuo, Lupoi, Rocco, Walls, Patrick, McKay, Wilson, McFadden, Shaun

“…Lack of fusion (LOF) defects impact adversely on the mechanical properties of additively manufactured components produced via laser-based powder bed fusion…”
Get full text

Theoretical modeling and finite element simulation of dilution in micro-plasma transferred arc additive manufacturing of metallic materials by Sawant, Mayur S., Jain, N.K., Nikam, Sagar H.

“…•Development of a generic theoretical model and FES for dilution of MPTAPAM process.•Experimental verification using Ti-6Al-4V powder deposition on substrate…”
Get full text

Thermal modeling of geometry of single-track deposition in micro-plasma transferred arc deposition process by Nikam, Sagar H., Jain, Neelesh K., Jhavar, Suyog

“…•Thermal model to predict deposition width and height in the μ-PTA deposition process.•Use of fundamental principles of energy balance and heat…”
Get full text

On the application of the anisotropic enhanced thermal conductivity approach to thermal modelling of laser-based powder bed fusion processes by Nikam, Sagar, Wu, Hao, Harkin, Ryan, Quinn, Justin, Lupoi, Rocco, Yin, Shuo, McFadden, Shaun

“…Computational simulation of the Powder Bed Fusion (PBF) process is a useful tool for predicting and analysing melt pool geometry during the deposition process…”
Get full text

Intelligent Quality Control System for Product Manufacturers through ML by Nikam, Sagar, Kolhare, Neelima

“…One of the most important components in ensuring product quality before it reaches the market is industrial inspection. The visual system, including human…”
Get full text

A hybrid wired/wireless infrastructure networking for green house management by Aher, Mahesh P., Nikam, Sagar M., Parbat, Rahul S., Chandre, Vikas S.

“…This paper represents the modeling and optimizations on advanced GSM (800-900MHz)-WSN (IEEE 802.15.4) based greenhouse monitoring and controlling with SMS…”
Get full text

Notice of Removal: Hybrid intelligent trail to search engine answering machine: Squat appraisal on pedestal technology (hybrid search machine) by Kadam, Aniket D, Shinde, Sachin V, Joshi, Sashank D., Medhane, Sampat P, Nikam, Sagar B., Pawar, Sagar R.

“…Arched type Swing in loom of information retrieval system is observed with record progression to information fetch, to knowledge data processing, to…”
Get full text

Hybrid intelligent trail to search engine answering machine: Squat appraisal on pedestal technology (hybrid search machine) by Kadam, Aniket D, Shinde, Sachin V, Joshi, Sashank D, Medhane, Sampat P, Nikam, Sagar B, Pawar, Sagar R

“…Arched type Swing in loom of information retrieval system is observed with record progression to information fetch, to knowledge data processing, to…”
Get full text