Laser powder bed fusion in 2026: overview
Laser powder bed fusion selectively melts regions of a metal powder bed with a laser, building a part layer by layer. It can produce complex geometries and consolidate components, but consistent quality depends on controlling heat flow, defects and microstructure. Process reliability remains a barrier to broader production: pores, cracking and residual stress can undermine performance, while long build times and material qualification constrain scale-up.
Recent work is tackling these limits through beam control and sensing. In September 2026, a conference study from Laser Zentrum Hannover, INLEAP Photonics and Leibniz University of Hanover presented ultrafast laser beam steering for higher productivity in 316L printing; a University of Georgia publication that month examined real-time 4D imaging of surface evolution. Mastrex launched its MX300 LPBF system in May 2026, while May 2026 reporting described Lockheed Martin’s work with Sintavia, EOS, Nikon SLM and nTop on thermal-management parts. The direction is toward faster builds, more observable processes and production-ready applications.
- 1Control the melt pool: Beam shaping, steering and real-time imaging are converging on better control of energy input and surface evolution.
- 2Materials remain a bottleneck: Recent work on AA2024 process windows, Inconel 718 cracking and composite feedstocks shows how alloy-specific printability still limits reliable part production.
- 3Scale depends on qualification: Industrial adoption is shifting toward faster systems and validated applications, but repeatable quality and defect control remain central to production readiness.
Top organizations working on laser powder bed fusion
Ranked by Linknovate activity score · last 24 monthsThe activity score adds up the relevance of every patent, publication, grant and news item linking an organization to laser powder bed fusion. Showing 7 of 2,427 organizations.
| # | Organization | Approach | Signals (24 mo) | Momentum | Why it matters |
|---|---|---|---|---|---|
| 1 | 
Central South University
Research · China |
Alloy and powder engineering | PAT 3 · PUB 205 | -4% | Recently, researchers used LPBF to produce modified CuSn10 alloy and studied how support structures affect titanium alloy microstructure and mechanical properties. |
| 2 | 
South China University of Technology
Research · China |
Modeling and machine learning | PUB 145 · NEWS 23 | -25% | Recently, researchers developed sensor-fusion machine learning for predicting LPBF surface quality, alongside work on biomedical alloys and LPBF-based turbine blade manufacturing. |
| 3 | 
Huazhong University of Science and Technology
Research · China |
Laser architectures | PUB 172 · NEWS 1 | -32% | Recently, researchers shaped the laser beam from Gaussian to square flat-top to improve directional solidification in LPBF of DZ125 superalloy. |
| 4 | 
Shanghai JiaoTong University
Research · China |
Defect and microstructure control | PAT 2 · PUB 181 | +3% | Recently, researchers reviewed strategies for regulating secondary phases in LPBF nickel-based superalloys, building on work in alloy cracking and microstructure engineering. |
| 5 | 
Chinese Academy of Sciences CAS
Research · China |
Defect and microstructure control | PUB 160 | +16% | Recently, researchers used melt-pool geometry to guide grain-growth pathways in LPBF GH4099 and investigated interactions between pre-existing pores and keyholes in copper. |
| 6 | 
Nanjing University of Aeronautics and Astronautics
Research · China |
Scan strategies | PAT 3 · PUB 148 NEWS 1 |
-27% | Recently, researchers used a full-contour scanning strategy to improve dimensional accuracy and energy absorption in LPBF aluminum lattices. |
| 7 | 
Northwestern Polytechnical University
Research · China |
Laser architectures | PUB 150 | -17% | Recently, researchers fabricated dense IN718 using synchronous dual-laser LPBF, using secondary heat input to alter local thermal history and prolong the liquid phase. |
| 8 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
| 9 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
| 10 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
Startups to watch and leading research centers
Startups to watch 48 total
Elementum 3DUnited StatesElementum 3D develops metal additive-manufacturing materials, including alloys designed to address cracking and other processability challenges in LPBF.
Alloyed LtdUnited KingdomAlloyed develops metal-component solutions combining materials, process, and design expertise; its work includes LPBF powder reuse, alloy development, and build-defect analysis.
Equispheres Inc.CanadaEquispheres develops metal powders for additive manufacturing; its work includes studying aluminum powder characteristics and reuse in LPBF.- ··Hidden startupCountryAvailable to registered users, with funding and founding year.
- ··Hidden startupCountryAvailable to registered users, with funding and founding year.
Leading research institutions 1,925 total
- Central South UniversityChinaRecently, researchers used LPBF to produce modified CuSn10 alloy and studied how support structures affect titanium alloy microstructure and mechanical properties.
- South China University of TechnologyChinaRecently, researchers developed sensor-fusion machine learning for predicting LPBF surface quality, alongside work on biomedical alloys and LPBF-based turbine blade manufacturing.
- Huazhong University of Science and TechnologyChinaRecently, researchers shaped the laser beam from Gaussian to square flat-top to improve directional solidification in LPBF of DZ125 superalloy.
- ··Hidden research institutionCountryAvailable to registered users, with their key researchers.
- ··Hidden research institutionCountryAvailable to registered users, with their key researchers.
Where laser powder bed fusion innovation happens
Share of documents with at least one organization from each country.
Open the interactive map with all 2,427 organizationsMain technical approaches
Last 24 months| Approach | What it is | Documents | Leading organizations |
|---|---|---|---|
| Laser architectures | Laser architectures shape beam delivery and energy distribution; more control can improve processing, but adds optical and system complexity. | 1,495 |
South China University of Technology, ANN INC., KRR |
| Scan strategies | Scan strategies set the laser path and sequence; they manage heat and build time, but must balance productivity with part quality. | 594 |
South China University of Technology, ANN INC., KRR |
| Monitoring and feedback | Monitoring and feedback use sensor data to detect process changes and adjust parameters, but depend on reliable signals and fast control. | 335 |
Nanjing University of Science and Technology, Wuhan University, Huazhong University of Science and Technology |
| Alloy and powder engineering | Alloy and powder engineering tailor composition and feedstock for printability and performance, but require careful control of material behavior. | 2,825 |
Central South University, South China University of Technology, Shanghai JiaoTong University |
| Defect and microstructure control | Defect and microstructure control adjusts process conditions to limit flaws and shape properties, but outcomes vary by alloy and geometry. | 1,919 |
Central South University, Shanghai JiaoTong University, South China University of Technology |
| Modeling and machine learning | Modeling and machine learning predict process outcomes and guide parameter selection, but their value depends on representative data and validation. | 920 |
South China University of Technology, College Engineering, ANN INC. |
Emerging trends
Last 12 months vs previous 36 monthsTerms whose frequency in the last 12 months grew the most compared with the previous 36 months.
Funding and investment
Recent funding rounds
Funding indicators record $80,621,594 across 108 grants since 2020, alongside 22 funding rounds totaling $1,177,959,799.
Patent landscape
Top patent holders · last 24 monthsRecent developments
Latest news, duplicates removed- Jun 2026Divergent has announced a new version of its Laser Powder Bed Fusion (LPBF) printer and a new site. The company aims to do nothing short of “further accelerating its mission to build the new industrial age.” It also…Your daily news from 3DPrint.com
- Jun 2026Oliver Elbert‘s over ten years in additive manufacturing have been spent automating LPBF. For large, high-volume, or critical parts, Grenzebach has provided custom automation solutions. Depowdering, powder handling…Your daily news from 3DPrint.com
- May 2026New Jersey-based manufacturer targets aerospace, defense, and medical sectors with dual-laser LPBF platform positioned below legacy system price points Mastrex has launched the MX300, an industrial laser powder bed…3D Printing Media Network – The Pulse of the AM Industry
- May 2026A real-time correction system and open-access data release aim to reduce failed builds and material waste in metal additive manufacturing The University of North Florida (UNF) has received a National Science Foundation…3D Printing Media Network – The Pulse of the AM Industry
- Month 20XXHidden developmentAvailable to registered users with alerts enabled.
Frequently asked questions about laser powder bed fusion
What companies are working on laser powder bed fusion?
Nikon SLM Solutions AG, Elementum 3D, Alloyed Ltd and Equispheres Inc. are among the companies identified in LPBF activity. Nikon SLM Solutions AG is a corporate player, while the other three are listed as startups with work spanning metal materials, alloy development, powder reuse and processability. Their roles differ, from machine systems to feedstock and component solutions.
Which laser powder bed fusion startups are the most promising in 2026?
Elementum 3D, Alloyed Ltd and Equispheres Inc. are LPBF-relevant startups identified in the data, but they are not ranked by promise. Elementum 3D develops metal materials designed to address cracking and processability challenges. Alloyed works on powder reuse, alloys and build-defect analysis, while Equispheres develops metal powders and studies their characteristics and reuse.
Which universities and research centers lead laser powder bed fusion research?
Central South University recorded 208 recent-window documents, while Huazhong University of Science and Technology recorded 173 and South China University of Technology recorded 168. Their work spans modified alloys, microstructure, beam shaping and machine-learning methods. Other active research organizations include Shanghai JiaoTong University and the Chinese Academy of Sciences.
How much funding has laser powder bed fusion received?
Funding indicators report $80,621,594 across 108 grants since 2020, plus 22 funding rounds totaling $1,177,959,799. These figures combine funding records associated with the field and should not be read as a single dedicated LPBF program or as funding to one organization. The records include grants, investment rounds and other financing categories.
Who holds the most laser powder bed fusion patents?
Rtx A S is listed with 21 patents, followed by RTX Corporation with 18. SSAB, Trumpf Huttinger Gmbh Co. Kg and Pratt & Whitney Canada each have 6 listed patents. Freeform Future is listed with 5, while Massachusetts Institute of Technology and Renishaw each have 4.
Is laser powder bed fusion patent activity growing?
LPBF patent activity fell 46.7% in the last 12 months compared with the previous 12 months. The 24-month patent window contains 325 patents. This patent decline contrasts with continuing technical work on materials, defect control and beam shaping, so the patent indicator alone does not capture the full pace or direction of research.
What are the latest developments in laser powder bed fusion?
Recent developments include ultrafast beam steering presented by Laser Zentrum Hannover, INLEAP Photonics and Leibniz University of Hanover in September 2026, and real-time 4D surface imaging published by the University of Georgia that month. Mastrex launched its MX300 system in May 2026. Recent research also addresses variable focal intensity shaping, alloy process windows and defect evolution.
What are the main approaches in laser powder bed fusion and how do they differ?
The main approaches are laser architectures, scan strategies, monitoring and feedback, alloy and powder engineering, defect and microstructure control, and modeling and machine learning. They target different constraints: beam and path choices control energy delivery, sensing supports process correction, materials work improves printability, and modeling predicts outcomes. Each approach has trade-offs in complexity, validation and material dependence.
Which countries lead laser powder bed fusion?
The United States leads with 11,991 documents, followed by China with 11,140 and Germany with 6,318. The United Kingdom is next with 4,284. These country figures indicate strong activity across North America, Europe and Asia, with China also prominent in recent research on alloy engineering, microstructure control and process modeling.
What are the applications of laser powder bed fusion?
LPBF activity spans aerospace and defense, automotive and mobility, medical and dental, energy and power, and industrial tooling and machinery. The application data records 1,451 documents for aerospace and defense, 1,275 for automotive and mobility, 848 for energy and power, 664 for industrial tooling and machinery, and 653 for medical and dental. These areas value complex geometries and tailored components.