Densification of nano-yttria powders for IR window applications

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5078, Issue , 2003, Pages 179-188

  Willingham, C B ^a   Wahl, J M ^b   Hogan, P K ^a   Kupferberg, L C ^a   Wong, T Y ^a   De, A M ^a  

^a RAYTHEON COMPANY   (United States)

^b Surmet Corporation   (United States)

Author keywords

Densification; Infrared windows; MWIR; Nano; Powder; Ultrasonic; Yttria; Yttrium oxide

Indexed keywords

INFRARED WINDOWS; MWIR; OPTICAL CERAMICS; YTTRIA; YTTRIUM OXIDE;

ATTENUATION; CERAMIC MATERIALS; COLLOIDS; DENSIFICATION; GRAIN SIZE AND SHAPE; HEAT RESISTANCE; HOT ISOSTATIC PRESSING; INFRARED RADIATION; NANOSTRUCTURED MATERIALS; OPTICAL MATERIALS; PARTICLE SIZE ANALYSIS; POROSITY; POWDERS; STRENGTH OF MATERIALS; ULTRASONICS; WINDOWS;

YTTRIUM COMPOUNDS;

EID: 1642475082     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.500986     Document Type: Conference Paper

References (6)

1. D.C. Harris, 'Development of yttria and lanthana-doped yttria as infrared-transmitting materials," Naval Weapons Center Technical Report NWC TP 7140 (1991).
2. Raytheon Company, "Development of undoped yttrium oxide as an optical ceramic," Contract No N0530-86-C-0139. Issued as D. Harris, NWC-TP-7140, Supplement 1 (1991).
3. R.L. Gentilman, M. Greenberg, and T. Hartnett, "Optically Transparent Yttrium Oxide," US Patent 4,761,390 (1988).
4. L-Wei Chen, X-H Wang, "Sintering dense nanocrystalline ceramics without final-stage grain growth," Nature, 404, 168-71, 2000.
5. K. Ueda, "High power lasers based on ceramic materials," CLEO Symposium, Long Beach CA, May 20, 2002.
6. B.C. Yu and F.F. Lange, "Colloidal isopressing: a new shape-forming method," Adv. Mater., 13, 4, 276, 2001.