I need some opinions/thoughts on this... A non-destructive test program for an aircraft engine compressor blade made of Ti-6AL-4V titanium alloy can ensure that no flaw greater than 2 mm will exist in the finished part. a) Can this inspection program prevent the occurrence of fast fracture/catastrophic failure? b) Why? I say no, because the test itself can only test the surface and internals of the object but can not ensure: Components needing to be cleaned before and after inspection Sensitivity of inspection can sometimes be affected by the finish of a component. Sometimes there might be a lack of depth sizing On some non-destructive test methods, only relatively non-porous surfaces can be inspected Some test methods require e

FINANCIAL ACCOUNTING
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Chapter1: Financial Statements And Business Decisions
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I need some opinions/thoughts on this...

A non-destructive test program for an aircraft engine compressor blade made of Ti-6AL-4V titanium alloy can ensure that no flaw greater than 2 mm will exist in the finished part.

a) Can this inspection program prevent the occurrence of fast fracture/catastrophic failure?

b) Why?

I say no, because the test itself can only test the surface and internals of the object but can not ensure:

  • Components needing to be cleaned before and after inspection  
  • Sensitivity of inspection can sometimes be affected by the finish of a component.  
  • Sometimes there might be a lack of depth sizing
  • On some non-destructive test methods, only relatively non-porous surfaces can be inspected
  • Some test methods require electricity
  • Some can also be affected by variations in magnetic permeability  
  • Some tests are only effective on materials that are conductive
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