volvo vcs-1027, 149本页面标准信息均来源于网络收集，或由参与标准制定的供应商提供，只作为参考使用，为确保测试结果的准确性、节省您的时间，如需volvo vcs-1027, 149标准详细信息或volvo vcs-1027, 149具体测试方法，请与我们技术人员联系或给我们留言，我们将为您提供相关的技术支持。
volvo vcs-1027, 149英文简介this standard defines an accelerated corrosion test method to be used in assessing the corrosion resistance of metals in environments where there is a significant influence of chloride ions, mainly as sodium chloride from a marine source or by winter road de-icing salt. it specifies a test procedure to be used in conducting the accelerated corrosion test to simulate atmospheric corrosion conditions in a controlled way.
the one-week main test cycle is composed of two twelve-hour sub-cycles, one with controlled humidity cycling; sub-cycle 1, the other including salt solution application, sub-cycle 2.
sub cycle 1 requires constant conditions at 35°c & 95% rh for 4 h, followed by an increase of temperature to 45°c whilst reducing the humidity to 50% over a 2 hour period. this is followed by constant conditions of 45°c & 50% rh for 4 h, together with a 2 hour period of 35°c & 95%rh. step 1:4) temperature decrease from 45°c to 35°c.
sub cycle 2 requires spraying with salt solution for 15 mins then keeping the samples at 35°c for 1 h 45 min whilst maintaining a set point of 95% - 99% rh in such a way that the test objects remain wet. these steps are repeated in sequence to give a total period of 6 hours. drying at 45°c & 50% rh for a 2 hour period followed by a further 2 hour period of 35°c whilst maintaining 95% rh.
this test is also referred to as a cyclic corrosion test, often abbreviated to cct.
kingjo-fog盐雾试验箱用于volvo vcs-1027, 149 盐雾测试的流程
kingjo-fog盐雾试验箱用于volvo vcs-1027, 149 盐雾测试的流程
东莞市勤卓环境测试设备有限公司