Porosity is a cavity-like discontinuity and occurs due to the entrapment of gases in the molten weld pool. These entrapped gases don't get a chance to escape from the molten weld pool and hence cause porosity.
<h3>Which discontinuities are caused during welding?</h3>
Weld discontinuities can be defined as "an interruption of the typical structure of a weld, such as a lack of homogeneity in the mechanical, metallurgical or physical characteristics of the weld." Porosity is considered to be the most critical discontinuity. Weld discontinuities include porosity, incomplete fusion, excessive melt.
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Answer : U.S supreme court
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Answer:
False
Explanation:
Once the cause of stress has been identified, there are no behaviors that can lessen the effect of or eliminate the stress
This statement was made by Woodrow Wilson on behalf of the Americans to the Ambassador of Great Britain when they were planning for the battle against the Germans with Wilson stating that the Germans cannot take the victory in the war.
