Hot Isostatic Pressing of Transparent Nd:YAG Ceramics

Hot Isostatic Pressing of Transparent Nd:YAG Ceramics

This paper demonstrates that fine‐grained (2–3 μm), transparent Nd:YAG can be achieved at SiO2 doping levels as low as 0.02 wt% by the sinter plus hot isostatic pressing (HIP) approach. Fine grain size is assured by sintering to 98% density, in order to limit grain growth, followed by HIP. Unlike dr...

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Veröffentlicht in:Journal of the American Ceramic Society 2009-07, Vol.92 (7), p.1456-1463
Hauptverfasser: Lee, Sang-Ho, Kupp, Elizabeth R., Stevenson, Adam J., Anderson, Julie M., Messing, Gary L., Li, Xin, Dickey, Elizabeth C., Dumm, John Q., Simonaitis-Castillo, Vida K., Quarles, Gregory J.
Format: Artikel
Sprache:eng
Schlagworte:
Ceramic sintering
Ceramics
Grain size
Materials science
Silica
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Zusammenfassung:This paper demonstrates that fine‐grained (2–3 μm), transparent Nd:YAG can be achieved at SiO2 doping levels as low as 0.02 wt% by the sinter plus hot isostatic pressing (HIP) approach. Fine grain size is assured by sintering to 98% density, in order to limit grain growth, followed by HIP. Unlike dry‐pressed samples, tape‐cast samples were free of large, agglomerate‐related pores after sintering, and thus high transparency (i.e., >80% transmission at 1064 nm) could be achieved by HIP at
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2009.03029.x