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钛合金超声探伤中杂波与组织的关系

TITANIUM INDUSTRY PROGRESS(2002)

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Abstract
钛合金饼环材在超声检查中,经常遇到杂波信号超标问题.从试样解剖,小型试验等方面对此进行研究.认为,杂波信号的高低不是组织好坏的反映,而是组织不均匀的反映;但组织不均匀反射信号不一定高,即组织不均匀是杂波信号的必要条件,而不是充分条件.
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