Ultra-accelerated natural sunlight exposure testing
    1.
    发明授权
    Ultra-accelerated natural sunlight exposure testing 失效
    超加速自然阳光照射测试

    公开(公告)号:US6073500A

    公开(公告)日:2000-06-13

    申请号:US6746

    申请日:1998-01-13

    IPC分类号: G01N17/00

    CPC分类号: G01N17/004

    摘要: Process and apparatus for providing ultra accelerated natural sunlight exposure testing of samples under controlled weathering without introducing unrealistic failure mechanisms in exposed materials and without breaking reciprocity relationships between flux exposure levels and cumulative dose that includes multiple concurrent levels of temperature and relative humidity at high levels of natural sunlight comprising:a) concentrating solar flux uniformly;b) directing the controlled uniform sunlight onto sample materials in a chamber enclosing multiple concurrent levels of temperature and relative humidity to allow the sample materials to be subjected to accelerated irradiance exposure factors for a sufficient period of time in days to provide a corresponding time of about at least a years worth of representative weathering of the sample materials.

    摘要翻译: 在受控风化下提供样品的超加速自然阳光暴露测试的过程和设备,而不会在暴露的材料中引入不切实际的故障机制,并且不会破坏通量暴露水平与累积剂量之间的互惠关系,累积剂量包括高水平的多个并发水平的温度和相对湿度 自然阳光包括:a)均匀浓缩太阳能通量; b)将受控的均匀太阳光引导到包围多个同时水平的温度和相对湿度的室中的样品材料上,以允许样品材料在几天内经受足够的时间段的加速辐照度暴露因子以提供相应的时间 至少有一年价值的代表风化的样品材料。