Wu Bingzhen, Wang Junran, Ling Muzhao. New Nondestructive Testing Equipment by Fixed Probe Based onthe Contact Potential Difference Method[J]. Chinese Journal of Engineering, 1998, 20(2): 164-168. DOI: 10.13374/j.issn1001-053x.1998.02.038
Citation: Wu Bingzhen, Wang Junran, Ling Muzhao. New Nondestructive Testing Equipment by Fixed Probe Based onthe Contact Potential Difference Method[J]. Chinese Journal of Engineering, 1998, 20(2): 164-168. DOI: 10.13374/j.issn1001-053x.1998.02.038
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New Nondestructive Testing Equipment by Fixed Probe Based onthe Contact Potential Difference Method

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  • The structure, working principle, measuring circuit and frequency characteristics of contact potential difference nondestructive testing equipment using fixed probe am intro-duced. It is demonstrated by the experimental result that this equipment is effective for testing the local narrow dynamic endurance failure on the surface of metal.
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