【摘要】 描述了光热辐射法测量薄壁金属圆筒内壁裂痕深度的原理和装置。通过测量光热信号的幅频特性,即可计算试样裂痕的深度。更多还原

【Abstract】 The principle of photothermal radiometry for cracks in the internal surfaces of thinmetal tubes and related equipment are described.The depth of the cracks are calculated by measuring theamplitude frequency characteristics of the photothermal signals.更多还原