Q:- Why is it essential to clean the surrounding parent metal adjacent to the weld metal made by MMA(SMAW) which is to be ultrasonically tested?

Posted on


 

  • Sound waves will not travel though paint 
  • Remove any rust 
  • The spatter will impede the contact of the probe and the parent material surface 
  • Spatter will reflect the back will echo signal and give spurious indications 

 

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s