Mumbai University > Mechanical Engineering > Sem 3 > Production Process 1

Marks: 5M

Year: May 2016

Common weld defects include:

i. Lack of fusion

ii. Lack of penetration or excess penetration

iii. Porosity

iv. Inclusions

v. Cracking

vi. Undercut

• Lack of fusion results from too little heat input and / or too rapid traverse of the welding torch (gas or electric).
• Excess penetration arises from to …