Title :
Optical technique for porosity detection inside valve body spool bores down to 5 mm diameter
Author :
Kulkarni, Ojas P. ; Islam, Mohammed N. ; Terry, Fred L., Jr.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
We inspect inner surfaces of valve body spool bores down to 5 mm diameter for porosity defects, using an optical probe with ∼50 µm lateral resolution. The probe can also distinguish porosity from bump-type defects.
Keywords :
Boring; Inspection; Lenses; Light scattering; Optical reflection; Optical scattering; Particle scattering; Probes; Relays; Valves;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
