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块状密实铁/蓝宝石界面的冲击温度测量

DOI: 10.11858/gywlxb.2008.04.013, PP. 414-418

Keywords: ,冲击测温,蓝宝石,辐射

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Abstract:

利用二级轻气炮技术并结合对称碰撞方法对铁样品进行了冲击加载,通过测量铁/蓝宝石的界面光谱辐射亮度获得该界面的冲击温度。实验中,采用了新的样品/窗口界面制备途径和更加可靠的高温计标定方法,有效地消除了直接接触界面的“尖峰”辐射现象,观测到了Fe/Al2O3接触界面的稳定辐射。实验结果表明,在164GPa冲击压力下Fe/Al2O3的界面温度为(3950±180)K。

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