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ser-zykov [4K]
1 year ago
12

Which weld discontinuity appears as small holes in the surface of a weld?

Social Studies
1 answer:
yan [13]1 year ago
5 0

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.

To learn more about welding visit the link

brainly.com/question/19997700

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