FABTECH 2019

W23: Professional Program - Monday (Room N138-N140)

11 Nov 19
1:40 PM - 5:00 PM

Tracks: Welding

SESSION 1: ADDITIVE MANUFACTURING I
Session Chairs: P. Hochanadel, Los Alamos National Laboratory and T. Borchers, Arconic, Inc.

1:40 PM Wire-arc Additive Manufacturing: Multi-pass Gas-metal Arc Welding in the Digital Age
G. Knapp, T. Mukherjee and T. DebRoy, The Pennsylvania State University

2:00 PM Zero Programming Repair Strategy Using Additive Manufacturing
S. Alam, P. F. Mendez and D. R. Ramirez Rebollo, University of Alberta – CCWJ; M. Dewar and S. Borle, Group Six Technologies

2:20 PM Comparison of Low Heat Input Deposition Methods for Suitability in Wire Arc Additive Manufacturing
J. Ream and S. Liu, Colorado School of Mines

2:40 PM Formation of Austenite in Duplex Stainless Steels Produced Using Laser-Based Directed Energy Deposition Additive Manufacturing
A. Iams and T. Palmer, The Pennsylvania State University

3:00 PM Modeling the Effect of Particle Shapes and Hatching Patterns on Solidification Structure in Powder Bed Additive Manufacturing
X. Gao, A. Faria Guilherme, K. Kamal, W. Zhang, R. Antonio, and Y. Wang, The Ohio State University; K. Wheeler, NASA Ames Research Center

3:20 PM Producing Larger Part Overhangs Using Non-Gravity Aligned Torch Orientations in Large Scale Metals Additive Manufacturing
J. Penney and W. Hamel, University of Tennessee

3:40 PM Additive Manufacturing of Multi-Material Parts Using the Wire-Arc Process
A. Nycz, M. Noakes, C. Masuo, D. Vaughan, S. Patrick, Oak Ridge National Laboratory; J. Paul and J. Flamm, Wolf Robotics

4:00 PM Wire Arc Additive Manufacturing Process Assisted by Magnetic Arc Oscillation
A. Bracarense and D. Corradi, Universidade Federal de Minas Gerais

4:20 PM Wire Feed Rate and Arc Length Adaptive Control System in Additive Manufacturing by Double Electrode Micro-Plasma Arc Welding
D. Fan and N. Li, Lanzhou University of Technology

4:40 PM Wire and Arc Additive Manufacturing Technology of In-situ Strengthened Functionally Gradient Materials Titanium Alloy and Research of Microstructure and Properties
J. Huang, H. Chen, S. Yu, W. Yuan, W. Pan, and D. Fan, Lanzhou University of Technology

SESSION 2: MODELING
Session Chairs: W. Zhang, The Ohio State University and U. Duman, LAM Research

1:40 PM Physical Mechanisms Present in the Welding Arc
P. Mendez, University of Alberta; M. Ramirez Argaez, A. Delgado Alvarez, A. Morales Antonio, and A. Velazquez Sanchez, UNAM; D. Apaoblaza Chaer, University of Chile

2:00 PM Computational Modeling of Stress Relief Cracking Test
C. Sarich, B. Alexandrov and A. Benatar, The Ohio State University

2:20 PM Transport Phenomena-Based Models for Building a Digital Twin for Metal Printing
T. Mukherjee, G. Knapp and T. DebRoy, Pennsylvania State University

2:40 PM Thermocapillary-Driven Weld Pool Flows in Autogenous Fusion Welding: Scaling Analysis
D. Havrylov and P. Mendez, Canadian Centre for Welding and Joining

3:00 PM Microstructure Based Creep Fracture Model for Type IV Cracking of Grade 91 Steel Weldment
W. Zhang, Y. Wang and Z. Feng, Oak Ridge National Laboratory

3:20 PM Practical Considerations for Analytical Modelling of Residual Stress
M. Grams, P.F. Mendez, CCWJ - University of Alberta

3:40 PM Uncertainty Analysis in Computational Weld Mechanics Based Simulations Due to Input Material Property Data
C. Fisher, D. Bechetti and J. Semple, Naval Surface Warfare Center – Carderock

4:00 PM Fracture Prediction of AlSi Coated Hot Stamped Boron Steels Spot-Welded Joints
Y. Lu, K. Zhang, M. Kimchi, and W. Zhang, The Ohio State University; T. Abke, S. Malcolm and K. Pydimarry, Honda R&D Americas, Inc.

4:20 PM An Improved Prediction of Distortion in Additive Manufacturing by Considering the Repeated Annealing Phenomena of Ti-6Al-4V
Q. Shi, Tsinghua University

4:40 PM Multi-Scale Modeling of Hybrid RSW/FEW: RSW Model Validation and AHSS Microstructural Evolution Modeling
E. Brizes and A. Ramirez, OSU Welding Engineering; H. Ghassemi-Armaki, ArcelorMittal; Tim Abke, Honda R&D Americas

SESSION 3: ARC WELDING
Session Chairs: Y. Yang, Huntington Ingalls Shipbuilding and Nick Kapustka, EWI

1:40 PM A Novel Method of Triple-Wire Gas Indirect Arc Welding
G. Song, Dalian University of Technology

2:00 PM Arc Characteristics and Metal Transfer Behavior in Pulsed DE-GMA-additive Manufacturing
G. Zhang, G. He, Y. Shi, Y. Gu, and D. Fan, Lanzhou University of Technology

2:20 PM Discharge Process with High Frequency Pulsed Arc Welding
M. Yang, H. Liu and B. Qi, Beijing University of Aeronautics and Astronautics

2:40 PM Effect of Arc Pressure on Digging Process in Variable Polarity Plasma Arc Welding of A5052P Aluminum Alloy
S. Chen, B. Xu and F. Jiang, Beijing University of Technology

3:00 PM GTAW Penetration Control Based on Arc Voltage Sensing
R. Yu and Y. Zhang, University of Kentucky; Y. Cheng, Beijing University of Technology

3:20 PM Study on Bypass-current Plasma-MIG Hybrid Welding Process of 5083 Aluminum Alloy
Y. Miao, J. Zou, Z. Lin, J. Guo and C. Li, Harbin Engineering University

3:40 PM Thermal Characteristics of Narrow Gap GMA Welding at Vertical Position with Arc Swinging and Shifting
H. Lan, S. E. and J. Shao, Zhejiang Normal University; H. Zhang, Shanghai Zhenhua Heavy Industries Co., Ltd.; S. Lin, Harbin Welding Institute

4:00 PM Influence of Helium Pressure on Low Current GTAW Welding on the Performance of Tungsten Electrodes Classifications
G. Di Gennaro, Coni - Consultoria e Projetos; Sergio Brandi, USP

4:20 PM Effect of Fluorides on the Surface Tension of Molten Pool during GTA Welding Process
C. Li, Y. Shi, Y. Gu, and C. Bian, Lanzhou University of Technology

4:40 PM Plasma Arc Gradient Functional Material Manufacturing Process Based on Bypass Double Wire
C. Li, Y. Miao, J. Zou, and Z. Lin, Harbin Engineering University College of Shipbuilding Engineering