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EUROINVENT 2013<br />

35.2.<br />

Title EN<br />

Authors<br />

Institution<br />

Patent no.<br />

Description<br />

EN<br />

Class no.<br />

Method for determining the <strong>op</strong>portunity to apply the<br />

post-welding stress relieving heat treatment to thermoresistant<br />

alloyed steels<br />

Pascu Doru Romulus, Cosma Eugen<br />

National R&D Institute for Welding and Material<br />

Testing, ISIM Timisoara<br />

RO123100/29.10.2010<br />

In order to determine the <strong>op</strong>portunity to apply the postwelding<br />

stress relieving heat treatment, they are used the<br />

simulated samples with thermal cycles of welding at the<br />

specific temperatures for thermo-resistant alloyed steels. The<br />

mechanical characteristics of resistance to fracture are<br />

determined. Finally, the correlations defining the <strong>op</strong>timum<br />

variant for post-welding heat treatment are established.<br />

The method can be used in the laboratories for technical<br />

control within the companies manufacturing the welded<br />

structures made from thermo-resistant alloyed steels.<br />

6. Mechanical Engineering - Metallurgy<br />

NATIONAL<br />

205

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