Phase Field Modeling of Thermal Transport for Predicting and Preventing Porosity and Solidification Cracking in Additive Manufacturing
用于预测和防止增材制造中的孔隙率和凝固裂纹的热传输相场建模
基本信息
- 批准号:1930906
- 负责人:
- 金额:$ 31.58万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-09-01 至 2023-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project considers the geometry accuracy and mechanical quality of high-end additively manufactured metal products used in aerospace, automobile, naval, petroleum, and energy industries. Basic understanding of the high temperature process such as how laser heating interacts with metallic powders and how surface defects evolve during powder melting and fusion is key to the success of additive manufacturing. Through theoretical analysis and experimental validation, this project focuses on predicting and preventing the formation of surface defects including solidification cracks. The project will help manufacturing industry in the U.S. to develop strategies to increase mechanical performance of critical metallic parts made by additive manufacturing. Specifically, this project will benefit metallic material suppliers, manufacturing machine designers, product designers and end users. Higher education and workforce training with diversity are emphasized for the next generation of engineers in manufacturing field. The primary road block on additive manufacturing of high strength alloys is geometric accuracy, surface quality, and the quest for mechanical performance. Defects such as pores, notches, and cracks in additive manufacturing are often caused by incomplete melting of powders, interfacial instability, evaporating and recoiling, balling, spattering, and cracking during solidification. There is a great need on predictive modeling of the process dynamics at powder and microstructure levels to mitigate defects caused by above mechanisms. The project goal is to establish an integrated phase field theoretical framework for this purpose. The project includes three specific tasks: (i) resolve the dynamics and distribution of porosity by a fully coupled thermal, fluids, phase transition, and microstructure evolution model, (ii) integrate thermal fluid dynamics with elasticity, plasticity, grain microstructure evolution, and susceptibility of solidification cracking, (iii) perform experimental validations and uncertainty analysis using available data from NIST Additive Manufacturing Benchmark Test Series (AM-Bench) ranging from microstructure to thermal mechanical analysis.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该项目考虑用于航空航天、汽车、海军、石油和能源行业的高端附加制造金属产品的几何精度和机械质量。对高温过程的基本了解,如激光加热如何与金属粉末相互作用,以及粉末熔化和熔化过程中表面缺陷是如何演变的,是添加剂制造成功的关键。本课题通过理论分析和实验验证,重点对包括凝固裂纹在内的表面缺陷的形成进行预测和预防。该项目将帮助美国制造业制定战略,以提高通过添加剂制造制造的关键金属部件的机械性能。具体地说,该项目将使金属材料供应商、制造机械设计师、产品设计师和最终用户受益。对于制造业领域的下一代工程师来说,高等教育和多样化的劳动力培训是重点。高强度合金添加剂制造的主要障碍是几何精度、表面质量和对机械性能的追求。添加剂制造中的气孔、缺口和裂纹等缺陷通常是由于粉末在凝固过程中不完全熔化、界面不稳定、蒸发和反冲、球化、飞溅和裂纹造成的。因此,迫切需要在粉末和显微组织水平上对过程动力学进行预测建模,以减少由上述机制引起的缺陷。该项目的目标是为此目的建立一个综合的相场理论框架。该项目包括三项具体任务:(I)通过完全耦合的热、流体、相变和微结构演化模型来解析孔隙率的动态和分布;(Ii)将热流体动力学与弹性、塑性、颗粒微结构演化和凝固开裂敏感性相结合;(Iii)使用从微观结构到热机械分析的NIST添加剂制造基准测试系列(AM-BENCH)的现有数据进行实验验证和不确定性分析。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Phase-field modeling of macroscopic freezing dynamics in a cylindrical vessel
圆柱形容器中宏观冷冻动力学的相场建模
- DOI:10.1016/j.ijheatmasstransfer.2020.119915
- 发表时间:2020
- 期刊:
- 影响因子:5.2
- 作者:Li, Ji-Qin;Fan, Tai-Hsi
- 通讯作者:Fan, Tai-Hsi
Facile polymerization in a bicellar template to produce polymer nano-rings
- DOI:10.1016/j.jcis.2022.09.141
- 发表时间:2022-10-20
- 期刊:
- 影响因子:9.9
- 作者:Liu,Chung-Hao;Cheu,Catherine;Nieh,Mu-Ping
- 通讯作者:Nieh,Mu-Ping
Synthesis of Polymer Nanoweb via a Lipid Template
- DOI:10.1021/acsmacrolett.3c00255
- 发表时间:2023-07-05
- 期刊:
- 影响因子:7.015
- 作者:Liu,Chung-Hao;Krueger,Susan;Nieh,Mu-Ping
- 通讯作者:Nieh,Mu-Ping
Phase-field modeling of selective laser brazing of diamond grits
- DOI:10.1063/5.0049096
- 发表时间:2021-02
- 期刊:
- 影响因子:4.6
- 作者:Lu Li;Shuai Li;Bi Zhang;T. Fan
- 通讯作者:Lu Li;Shuai Li;Bi Zhang;T. Fan
Phase-field modeling of wetting and balling dynamics in powder bed fusion process
- DOI:10.1063/5.0046771
- 发表时间:2021-01
- 期刊:
- 影响因子:4.6
- 作者:Lu Li;Ji-Qin Li;T. Fan
- 通讯作者:Lu Li;Ji-Qin Li;T. Fan
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Mu-Ping Nieh其他文献
Highly Dynamic C99 Oligomeric Structure in Cholesterol and Sphingomyelin Rich Bicelles
- DOI:
10.1016/j.bpj.2019.11.250 - 发表时间:
2020-02-07 - 期刊:
- 影响因子:
- 作者:
James Hutchison;Kuo-chih Shih;George Pantelopulos;Haley Harrington;Kathleen Mittendorf;Holger Scheidt;Shuo Qian;Scott Collier;Melissa Chambers;Daniel Huster;John Katsaras;Robert L. McFeeters;John E. Straub;Mu-Ping Nieh;Charles Sanders - 通讯作者:
Charles Sanders
Giant, non-perturbative tuning of light-matter interaction of embedded quantum dots in semiconducting matrices
- DOI:
10.1007/s42114-025-01358-2 - 发表时间:
2025-06-21 - 期刊:
- 影响因子:21.800
- 作者:
Ming-Chung Wu;Kai-Chi Hsiao;Chuliang Fu;Ting-Han Lin;Yin-Hsuan Chang;Yu-Ching Huang;Mu-Ping Nieh;Wei-Fang Su;Mingda Li - 通讯作者:
Mingda Li
Effect of Charge on DMPC/CHAPSO Bicellar Mixtures as Characterized by NMR and Sans
- DOI:
10.1016/j.bpj.2011.11.3530 - 发表时间:
2012-01-31 - 期刊:
- 影响因子:
- 作者:
Hannah Hazel Morales;Ming Li;John Katsaras;Mu-Ping Nieh;Peter M. Macdonald - 通讯作者:
Peter M. Macdonald
Lipid Areas Obtained from the Simultaneous Analysis of Neutron and X-ray Scattering
- DOI:
10.1016/j.bpj.2010.12.3599 - 发表时间:
2011-02-02 - 期刊:
- 影响因子:
- 作者:
Norbert Kucerka;Mu-Ping Nieh;John Katsaras - 通讯作者:
John Katsaras
“Bicellar” Lipid Mixtures as used in Biochemical and Biophysical Studies
- DOI:
10.1007/s00114-005-0641-1 - 发表时间:
2005-07-15 - 期刊:
- 影响因子:2.100
- 作者:
John Katsaras;Thad A. Harroun;Jeremy Pencer;Mu-Ping Nieh - 通讯作者:
Mu-Ping Nieh
Mu-Ping Nieh的其他文献
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{{ truncateString('Mu-Ping Nieh', 18)}}的其他基金
(NANO)^2: gold nanoclusters in lipid nanodiscoidal bicelles as a potential nanodiagnostic platform: experiment and computer modeling
(NANO)^2:脂质纳米盘状 bicelles 中的金纳米簇作为潜在的纳米诊断平台:实验和计算机建模
- 批准号:
1605971 - 财政年份:2016
- 资助金额:
$ 31.58万 - 项目类别:
Standard Grant
EAGER: The Effects of Molecular Architectures on Lipid-Based Nanoparticulate Interaction through Polymer Linkers
EAGER:分子结构对通过聚合物连接体的脂质纳米颗粒相互作用的影响
- 批准号:
1433903 - 财政年份:2014
- 资助金额:
$ 31.58万 - 项目类别:
Standard Grant
Single-Step Manufacture of Affinity Nanodiscs for Drug Delivery
用于药物输送的亲和纳米圆盘的一步制造
- 批准号:
1131587 - 财政年份:2012
- 资助金额:
$ 31.58万 - 项目类别:
Standard Grant
MRI: Acquisition of a State-of-the-Art Small Angle X-Ray Scattering (SAXS) Instrument for Research and Education
MRI:采购最先进的小角度 X 射线散射 (SAXS) 仪器用于研究和教育
- 批准号:
1228817 - 财政年份:2012
- 资助金额:
$ 31.58万 - 项目类别:
Standard Grant
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