Explain the differences between solidification cracking, HAZ cracking, hydrogen induced cracking, and lamellar cracking. Why is a...

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Mechanical Engineering

Explain the differences between solidification cracking, HAZcracking, hydrogen induced cracking, and lamellar cracking.

Why is a wide, shallow bead preferred over a narrow, deep weldbead?  

Why do some cast irons of the same type have a ferritic matrixand others a pearlitic matrix?

Why are white cast irons considered unweldable?

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page3 do some Cast iron of the Same Why type have a ferriticmatrix and other pearlitic matrix Some Cast iron have    See Answer
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