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Using the co-precipitated Nd:YAG and YAG powders as raw materials, the Nd:YAG/YAG composite ceramics (Ф 50 mm × 5 mm) were prepared by vacuum sintering (1790 °C 50 h), followed by hot isostatic pressing (HIP) post treatment (1700 °C 2 h, 200 MPa Ar atmosphere) and air annealing (1250 °C 100 h). The optical properties of Nd:YAG/YAG samples were improved markedly by HIP post-treatment, mainly due to...
The Nd:YAG transparent ceramics were fabricated by vacuum sintering. The Nd:YAG samples were annealed at 1450°C for 20h in air and followed by hot isostatic pressing (HIP) at 1700°C for 2h in 200MPa Ar and then re-annealed at 1250–1450°C for 10h in air. The experimental results showed that the optical properties of Nd:YAG samples varied markedly with different post treatments. After air annealing...
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