AM Bench 2025 Challenge Submissions and Awards

The 2025 AM Bench Organizing Committee received a total of 86 Benchmark Challenge submissions from 24 groups around the world. The geographical distribution of the groups, as determined by the home institution of the submitting author, included 17 from North America, 2 from Europe, and 5 from Asia. The number of submissions for each challenge problem is listed in the table, below. In all, 25 awards were presented, including 13 First Place, 7 Second Place, and 5 Honorable Mention. The winning teams for each challenge are listed below.

results

CHAL-AMB2025-03-SN

S-N Curve Prediction

Modeling results predicting PBF-LB Ti-6Al-4V high cycle rotating bending fatigue S-N curves

1^st Place Awarded to

Zixu Guo, Daijun Hu, Wentao Yan

Department of Mechanical Engineering, National University of Singapore

1^stPlace Awarded to

Shehzaib Irfan, Anyi Li, Khloud Alzubi, Dr. Jia Liu

Industrial and Systems Engineering, Auburn University

CHAL-AMB2025-03-AS

Applied Stress Prediction

Modeling results predicting PBF-LB Ti-6Al-4V specimen-specific fatigue strength

1^st Place Awarded to

Shehzaib Irfan, Anyi Li, Khloud Alzubi, Dr. Jia Liu

Industrial and Systems Engineering, Auburn University

2^nd Place Awarded to

Zixu Guo, Daijun Hu, Wentao Yan

Department of Mechanical Engineering, National University of Singapore

CHAL-AMB2025-03-FL

Failure Location Prediction

Modeling results predicting PBF-LB Ti-6Al-4V specimen-specific fatigue crack initiation locations

1^st Place Awarded to

Leland Shimizu, Xueyong Qu

The Aerospace Corporation

1^st Place Awarded to

Justin P. Miner and Sneha Prabha Narra

Carnegie Mellon University

CHAL-AMB2025-04-RS01

Residual Stresses

Modeling results predicting residual stresses in laser hot-wire directed energy deposition builds of alloy 718 test objects as measured using neutron diffraction

1^st Place Awarded to

Matthew Register, Matthew Priddy

Mississippi State University

2^nd Place Awarded to

Zhaoyang Hu, Yanming Zhang, Yingjie Cui, and Wentao Yan

National University of Singapore

CHAL-AMB2025-04-RS02

Residual Elastic Strains

Modeling results predicting residual elastic strains in laser hot-wire directed energy deposition builds of alloy 718 test objects as measured using synchrotron X-ray diffraction

1^st Place Awarded to

Matthew Register, Matthew Priddy

Mississippi State University

2^nd Place Awarded to

Daoyang Dong

The Hong Kong University of Science and Technology

Honorable Mention Awarded to

Zhaoyang Hu, Yanming Zhang, Yingjie Cui, and Wentao Yan

National University of Singapore

CHAL-AMB2025-04-BD

Baseplate Deflection

Modeling results predicting baseplate deflection after laser hot-wire directed energy deposition builds of alloy 718 test objects

1^st Place Awarded to

Daoyang Dong¹, Shuheng Liao², Tianju Xue¹

¹ The Hong Kong University of Science and Technology

² The Chinese University of Hong Kong

2^nd Place Awarded to

Zhaoyang Hu, Yanming Zhang, Yingjie Cui, and Wentao Yan

National University of Singapore

CHAL-AMB2025-05-MP01

Melt Pool Transverse Geometry

Modeling results predicting the geometry of laser hot-wire directed energy deposition single beads with different processing parameters

1^st Place Awarded to

Yuhan Ju, Yanming Zhang, Wentao Yan

National University of Singapore

CHAL-AMB2025-06-PMPG

Pad Melt Pool Geometry

Modeling results predicting the geometry of arrays of laser tracks with different powder layer thicknesses

1^st Place Awarded to

Yanming Zhang, Yingjie Cui, Shengfeng Xu, Wentao Yan

National University of Singapore

CHAL-AMB2025-07-PCRTAM

Pad Cooling Rate and Time Above Melting

Modeling results predicting the cooling and solidification behavior of adjacent laser tracks on a bare alloy 718 plate

1^st Place Awarded to

Vijaya Holla¹, Philipp Kopp², Stefan Kollmannsberger²

¹Technical University of Munich

²Bauhaus-Universität Weimar

2^nd Place Awarded to

Yingjie Cui, Shengfeng Xu, Yanming Zhang, Wentao Yan

National University of Singapore

CHAL-AMB2025-07-PMPG

Pad Melt Pool Geometry

Modeling results predicting the geometry of the melt pools of adjacent laser tracks on a bare alloy 718 plate

Honorable Mention Awarded to

Rahul Singha Rathun¹, Rakibul Kanak², Badhon Kumar², Jiachen Guo^3,4, Andrew Schrader¹, Wing Kam Liu^3,4, Abdullah Al Amin¹

¹University of Dayton

²Bangladesh University of Engineering and Technology

³Northwestern University

⁴HIDENN-AI, LLC

Honorable Mention Awarded to

Stephen Lin, Brooke Hejnal, Daniel Moser

Sandia National Laboratories

CHAL-AMB2025-08-PTS

Phase Transformation Sequence

Modeling results predicting the time sequence of phases that evolve during and after solidification in the Fe-Cr-Ni alloy system

1^st Place Awarded to

Chris Hareland, Abhinav Saboo, Menglei Jiang, Joseph Leonor

QuesTek Innovations

2^nd Place Awarded to

Ali Nabaa

University of Wisconsin

CHAL-AMB2025-09-CD

Cure Depth

Modeling results predicting vat photopolymerization cure depth dependence on resin composition and radiant exposure

1^st Place Awarded to

Adam Lawrence, Jinhui Yan, Shih-Teng Huang, and Dian-Ru Li

Department of Civil and Environmental Engineering, University of Illinois Urbana-Champaign

2^nd Place Awarded to

Heyang Zhang, Haolin Zhang, Xiayun Zhao

Department of Mechanical Engineering and Materials Science, University of Pittsburgh

Honorable Mention Awarded to

Teerapong Poltue and H. Jerry Qi

School of Mechanical Engineering, Georgia Institute of Technology

Honorable Mention Awarded to

Yiming Liu, Zhaoyang Hu, Shixiang Zhou, Yingying Ma, Wentao Yan

National University of Singapore