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volvo vcs 1027,1449英文简介this test procedure serves as a general purpose atmospheric corrosion test and can be applied to a wide variety of materials, coatings and interactions of materials. it has been developed to allow the evaluation of 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. this test is cyclic in nature, i.e.; test specimens are exposed to changing climates over time.
test specimens are placed in an enclosed chamber and exposed to a changing climate. the first 5 days comprise of the following 3 part repeating cycle. 6.0 hours exposure to a ‘wet’ climate of no less than 95% rh, at +25°c, with intermittent exposure to salt solution. this is followed by 2.5 hours climate controlled transition to 50°c & 70% rh. this is followed by 15.5 hours exposure to a constant climate of 50°c & 70% rh. the final 2 days comprise of 48.0 hours exposure to a constant climate of 50°c & 70% rh. this completes the total 7 day test cycle. the number of cycle repeats and therefore the test duration is variable.
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 1027,1449盐雾测试的流程
kingjo-fog盐雾试验箱用于volvo vcs 1027,1449盐雾测试的流程
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