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acoustic emission

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English

Noun

Singular
acoustic emission

Plural
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acoustic emission ({{{1}}})
  1. (uncountable, Template loop detected: Template:context 1) A phenomenon wherein external stimuli such as mechanical loading generate physical vibrations.
  2. (countable, Template loop detected: Template:context 1) A physical vibration caused by sudden movement within a material subjected to physical stress, often symptomatic of a defect.
    • 1990, Adrian A. Pollock, “Acoustic Emission Inspection”, in ASM Handbook[1], 17th ed., ISBN 0871700239, page 287,  
      Acoustic emissions are only generated when some abrupt and permanent change takes place somewhere in the material.

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