放电等离子烧结技术制备透明氧化铝陶瓷

材料导报, 2010, 24(8): 84-108.

1.西北工业大学超高温结构复合材料国防科技重点实验室,西安,710072

2.西北工业大学超高温结构复合材料国防科技重点实验室,西安,710072

3.西北工业大学超高温结构复合材料国防科技重点实验室,西安,710072

4.西北工业大学超高温结构复合材料国防科技重点实验室,西安,710072

基金项目: 国家自然科学基金(50425208)

Transparent Alumina Ceramic Prepared by Spark Plasma Sintering

采用放电等离子烧结技术(SPS)制备了透明氧化铝陶瓷,研究了样品在模具内部的位置对其光学性能的影响,结果表明,在模具中心处样品的直线透过率最高(波长为640nm时为51%,波长为2000nm时为84%),这主要是由于模具内部温度分布不均引起样品晶粒尺寸不同所致.

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