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    • 1. 发明申请
    • IMPACT DEVICE FOR MATERIALS ANALYSIS
    • 材料分析的冲击装置
    • WO2010150109A1
    • 2010-12-29
    • PCT/IB2010/050969
    • 2010-03-05
    • GIBSON, A
    • GIBSON, A
    • G01N3/30G01N19/00G01N29/02G01N3/40G01N29/00
    • G01N29/045G01N3/317G01N2203/0623
    • The present invention relates to a mechanical impact device for use in the field of nondestructive testing and evaluation of materials. The device is designed to deliver a consistently repeatable and appropriately tuned impact, to generate stress waves for the purposes of nondestructive testing. Potential applications include the evaluation of concrete and shotcrete structural members, when used as a source for impact-echo testing, pulse velocity measurement, or the analysis of the dispersion or attenuation characteristics of waveforms. A secondary application is the direct evaluation of surface hardness characteristics of the test material, by analysis of a recorded impact signal. The impactor is driven by a mechanism comprising a spring and an electromagnetic coil, and further comprises an integrated piezoelectric sensor element directly responsive to impact duration and intensity.
    • 本发明涉及一种用于无损检测和评价材料领域的机械冲击装置。 该设备旨在提供始终如一的可重复和适当调整的影响,以产生无损检测目的的应力波。 潜在应用包括混凝土和喷射混凝土结构件的评估,用作冲击回波测试的源头,脉冲速度测量或波形的色散或衰减特性的分析。 二次应用是通过分析记录的冲击信号来直接评估测试材料的表面硬度特性。 冲击器由包括弹簧和电磁线圈的机构驱动,并且还包括直接响应冲击持续时间和强度的集成压电传感器元件。