Embrittlement-metallurgical defects, Mechanical Engineering

Embrittlement

For use, at high strength, coupled with good notch toughness, all weld structure must  be Tempered low carbon martensite. Carbon and alloy steels having more than 0.18 % carbon tends to form brittle martensite structure in weld HAZ. This is avoided by controlled cooling rate.  The Embrittlement is measured by notch toughness values.

Posted Date: 9/18/2012 12:50:33 AM | Location : United States







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