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Reviewed by belajar koor
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Crack is imperfection produced by a local rupture in the solid state, which may arise from the effect of cooling or stresses. Cracks are ... -
Cavities , is imperfection formed by entrapped gas, and also caused by shrinkage during solidification. Types of cavities: Gas Pore ... -
Definitions: Imperfection Any deviation from the ideal weld. Defect An unacceptable imperfection. BS EN ISO 6520-1 standard ... -
Types of Imperfect Shapes and Dimensions : Undercut An irregular groove at the toe of a run in the parent metal or previously deposit... -
Lack of fusion is lack of union between the weld metal and the parent metal or between the successive layers of weld metal. Types of lack ... -
Solid inclusions is solid foreign substances trapped in the weld metal. Types of solid inclusions: Slag inclusions Slag trapped duri... -
Open Square Butt Preparation Used for welding thin components from one or both sides. If the root gap is zero (ie if components are in c... -
Types of m iscellaneous imperfections: Stray arc (arc strike) Local damage to the surface of the parent metal adjacent to the weld, r... -
Flat Position (PA). Welding position in which the welding is horizontal with the centreline of the weld vertical. Horizontal... -
Butt Joint Connection between the ends or edges of two parts making an angle to one another of 135-180° inclusive in the region of the...
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