Abstract

The limits of traditional lightweight engineering are being extended by the development of hybrid components. Lightweight potential is especially high when using dissimilar materials, e.g., a friction-welded steel–aluminum combination. An important factor for the mechanical properties of such a combination is the geometry and location of the joining zone between the materials. The geometry of these objects can be reconstructed by optical triangulation techniques such as fringe projection profilometry. In this paper, we present a method to robustly detect the different material zones on the surface of a hybrid steel–aluminum component. We use reflection models and data from a fringe projection profilometry system. The intensity values and 3D geometry data from the fringe projection system are used to estimate material-specific reflection parameters for each 3D point and detect different material areas based on a global threshold.

© 2019 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Fringe projection system for high-temperature workpieces–design, calibration, and measurement

Rüdiger Beermann, Lorenz Quentin, Eduard Reithmeier, and Markus Kästner
Appl. Opt. 57(15) 4075-4089 (2018)

3D shape measurement of objects with high dynamic range of surface reflectivity

Gui-hua Liu, Xian-Yong Liu, and Quan-Yuan Feng
Appl. Opt. 50(23) 4557-4565 (2011)

High dynamic range 3D shape measurement based on the intensity response function of a camera

Liang Zhang, Qian Chen, Chao Zuo, and Shijie Feng
Appl. Opt. 57(6) 1378-1386 (2018)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (11)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (23)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription