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    • 2. 发明申请
    • CORROSION RESISTANCE EVALUATOR
    • 耐腐蚀性评估仪
    • US20110315550A1
    • 2011-12-29
    • US13144103
    • 2010-01-04
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • G01N27/28
    • G01N17/02
    • The present invention is directed to a corrosion resistance evaluator suitable for corrosion testing coated metals substrates, such as autobodies. A corrosion resistance evaluator provided with a chamber containing electrolyte to which anode and cathode coated with protective coating being tested are exposed. These coatings are provided with predetermined and standardized defects, such as micro-holes to accelerate the corrosion of the underlying metal substrate in a predictable and repeatable manner. The coated cathode/anode pair is subject to a start-up period followed by series preset DC voltages for preset durations that are interspaced with recovery periods. The impedance date collected is then used to arrive at the corrosion performance resistance of the coating applied over the cathode/anode pair. The foregoing evaluator substantially reduces the time required to test corrosion from several days (40 plus days) to few days (about two days).
    • 本发明涉及一种适用于腐蚀试验的耐腐蚀性评价装置,其包括金属基材,例如自动载体。 一种耐腐蚀性评估器,其设置有包含电解质的室,暴露了正被涂覆有被保护涂层的阳极和阴极。 这些涂层具有预定和标准化的缺陷,例如微孔,以可预测和可重复的方式加速底层金属基底的腐蚀。 涂覆的阴极/阳极对经受启动周期,随后是预置的持续时间的串联预设直流电压,其间隔有恢复周期。 然后使用收集的阻抗日期来获得施加在阴极/阳极对上的涂层的耐腐蚀性能。 上述评估者大大减少了从几天(40天)到几天(约两天)测试腐蚀所需的时间。
    • 6. 发明授权
    • Corrosion resistance evaluator
    • 耐腐蚀性评估仪
    • US08888976B2
    • 2014-11-18
    • US13144103
    • 2010-01-04
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • G01N17/02
    • G01N17/02
    • The present invention is directed to a corrosion resistance evaluator suitable for corrosion testing coated metals substrates, such as autobodies. A corrosion resistance evaluator provided with a chamber containing electrolyte to which anode and cathode coated with protective coating being tested are exposed. These coatings are provided with predetermined and standardized defects, such as micro-holes to accelerate the corrosion of the underlying metal substrate in a predictable and repeatable manner. The coated cathode/anode pair is subject to a start-up period followed by series preset DC voltages for preset durations that are interspaced with recovery periods. The impedance date collected is then used to arrive at the corrosion performance resistance of the coating applied over the cathode/anode pair. The foregoing evaluator substantially reduces the time required to test corrosion from several days (40 plus days) to few days (about two days).
    • 本发明涉及一种适用于腐蚀试验的耐腐蚀性评价装置,其包括金属基材,例如自动载体。 一种耐腐蚀性评估器,其设置有包含电解质的室,阳极和阴极涂覆有被测试的保护涂层。 这些涂层具有预定和标准化的缺陷,例如微孔,以可预测和可重复的方式加速底层金属基底的腐蚀。 涂覆的阴极/阳极对经受启动周期,随后是预置的持续时间的串联预设直流电压,其间隔有恢复周期。 然后使用收集的阻抗日期来获得施加在阴极/阳极对上的涂层的耐腐蚀性能。 上述评估者大大减少了从几天(40天)到几天(约两天)测试腐蚀所需的时间。
    • 7. 发明授权
    • Process for evaluating corrosion resistance of coating
    • 评估涂层耐蚀性的工艺
    • US08723535B2
    • 2014-05-13
    • US13143819
    • 2010-01-04
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • G01R27/08
    • G01N17/02
    • The present invention is directed to a process for corrosion resistance evaluation of coated metals substrates, such as autobodies. An anode and cathode coated with protective coating being tested are exposed to an electrolyte in a chamber of a corrosion resistance evaluator. These coatings are provided with predetermined and standardized defects, such as micro-holes to accelerate the corrosion of the underlying metal substrate in a predictable and repeatable manner. The coated cathode/anode pair is subject to a start-up period followed by series preset DC voltages for preset durations that are interspaced with recovery periods. The impedance data collected are then used to arrive at the corrosion performance resistance of the coating applied over the cathode/anode pair. The foregoing evaluator substantially reduces the time required to test corrosion from several days (40 plus days) to few days (about two days).
    • 本发明涉及一种用于耐腐蚀性评价的涂覆金属基材例如自动化体系的方法。 将被测试的涂有保护涂层的阳极和阴极暴露于耐腐蚀性评估器室中的电解质。 这些涂层具有预定和标准化的缺陷,例如微孔,以可预测和可重复的方式加速底层金属基底的腐蚀。 涂覆的阴极/阳极对经受启动周期,随后是预置的持续时间的串联预设直流电压,其间隔有恢复周期。 然后使用收集的阻抗数据来获得施加在阴极/阳极对上的涂层的耐腐蚀性能。 上述评估者大大减少了从几天(40天)到几天(约两天)测试腐蚀所需的时间。
    • 8. 发明申请
    • PROCESS FOR EVALUATING CORROSION RESISTANCE OF COATING
    • 评估涂层耐腐蚀性的方法
    • US20120095698A1
    • 2012-04-19
    • US13143819
    • 2010-01-04
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • Shi Hua ZhangLorenzo Fred PelosiRobert C. Nahas
    • G06F19/00
    • G01N17/02
    • The present invention is directed to a process for corrosion resistance evaluation of coated metals substrates, such as autobodies. An anode and cathode coated with protective coating being tested are exposed to an electrolyte in a chamber of a corrosion resistance evaluator. These coatings are provided with predetermined and standardized defects, such as micro-holes to accelerate the corrosion of the underlying metal substrate in a predictable and repeatable manner. The coated cathode/anode pair is subject to a start-up period followed by series preset DC voltages for preset durations that are interspaced with recovery periods. The impedance data collected are then used to arrive at the corrosion performance resistance of the coating applied over the cathode/anode pair. The foregoing evaluator substantially reduces the time required to test corrosion from several days (40 plus days) to few days (about two days).
    • 本发明涉及一种用于耐腐蚀性评价的涂覆金属基材例如自动化体系的方法。 将被测试的涂有保护涂层的阳极和阴极暴露于耐腐蚀性评估器室中的电解质。 这些涂层具有预定和标准化的缺陷,例如微孔,以可预测和可重复的方式加速底层金属基底的腐蚀。 涂覆的阴极/阳极对经受启动周期,随后是预置的持续时间的串联预设直流电压,其间隔有恢复周期。 然后使用收集的阻抗数据来获得施加在阴极/阳极对上的涂层的耐腐蚀性能。 上述评估者大大减少了从几天(40天)到几天(约两天)测试腐蚀所需的时间。