Mr. Daniel Heussen Profile

Daniel Heussen

at Fraunhofer-Institut für Lasertechnik ILT

SPIE Involvement:

Author

Publications (1)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 4 March 2022 Presentation + Paper

Evaluation of productivity scaling approaches for laser powder bed fusion of nickel-base alloy 625

Tim Lantzsch, Daniel Heussen, Niklas Praetzsch, Constantin Haefner

Proceedings Volume 11994, 1199405 (2022) https://doi.org/10.1117/12.2611151

KEYWORDS: Laser processing, Fiber lasers, 3D scanning, Laser scanners, Optical testing, Optical scanning systems, Calibration, Collimators, Laser welding, Single mode fibers, 3D printing, Additive manufacturing

Read Abstract +

In recent years, Laser Powder Bed Fusion (L-PBF) has become an industrially established manufacturing technique due to the possibility to manufacture highly complex parts without additional tools. State-of-the-art L-PBF machines use single-mode fiber lasers in combination galvanometer scanners due to their broad availability, high dynamic capability and excellent focusability. To increase system productivity the manufacturing task is parallelized by the utilization of multiple laser-scanner-systems leading to increased machine costs. Alternative approaches for the scaling of L-PBF productivity such as beam shaping and variable laser beam diameters for the use of higher laser powers (PL < 400 W) are hardly used in L-PBF machines. In consequence the high peak intensities of Gaussian intensity distribution with d_s = 50 – 100 μm of state-of-the-art L-PBF machines limit the usable laser powers due to the risk of part defects resulting from keyhole formation. Hence, non-Gaussian intensity distribution such as ring-mode laser beams as well as laser beam diameter variation exhibit great potential for high-power L-PBF systems. As part of the Digital Photonic Production (DPP) Research Campus funded by the BMBF L-PBF machine setups with a switchable ring-mode fiber laser and a defocused Gaussian laser intensity distribution were developed, validated and compared for the processing nickel-base alloy 625. By implementation of these approaches build-up rates up to 150% higher than those of conventional L-PBF machines were achieved while maintaining relative densities above 99.9%.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years