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New Accelerated Corrosion Test 'ACTE' for Zinc-Coated Steel Sheets Used in Electrical Appliances

机译:电器用镀锌钢板的新加速腐蚀试验“ ACTE”

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摘要

Based on the actual corrosion behavior of electrical appliances and inadequacies of the conventional accelerated corrosion tests, which are the salt spray test (SST) and combined cyclic corrosion test (JASO M609-91), a new accelerated corrosion test for electrical appliances, "ACTE" (ACTE: Accelerated Corrosion Test for Electrical Appliances) was developed. A good correlation between ACTE and corrosion in actual environments was demonstrated. ACTE consists of a salt deposition process and cyclic wet/dry process. As distinctive features of ACTE, the test conditions simulate actual environments (use of artificial seawater, constant absolute humidity), and it is possible to estimate the corrosion life of materials in a wide range of use environments by obtaining dependency data on the main corrosion factors (amount of deposited sea salt, etc.) by varying the test conditions. ACTE makes it possible to appropriately evaluate the corrosion resistance of zinc-coated steel sheets with chromate-free coatings.
机译:根据电器的实际腐蚀行为和常规的加速腐蚀测试的不足之处,如盐雾测试(SST)和组合循环腐蚀测试(JASO M609-91),这是一种新的电器加速腐蚀测试,“ ACTE” “(ACTE:电器的加速腐蚀测试)已经开发。在实际环境中,ACTE与腐蚀之间具有良好的相关性。 ACTE由盐沉积过程和循环湿/干过程组成。作为ACTE的特色,测试条件模拟了实际环境(使用人造海水,恒定的绝对湿度),并且可以通过获取有关主要腐蚀因子的相关性数据来估计材料在广泛使用环境中的腐蚀寿命。 (改变沉积的海盐的量等)通过改变测试条件。 ACTE使得可以适当地评估具有无铬涂层的镀锌钢板的耐腐蚀性。

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