Sensitization in Cr-Mo steel weld joint occurs due to i) Hydrogen embrittlement ii) Softening of HAZ iii) Formation of Cr carbide iv) Releasing of C from Cr carbide
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Sensitization in chromium molybdenum Steel wield occur due to iii) Formation of Cr carbide. Hence option 3 is the correct answer.
Sensitization basically referred to the formation of the alloy carbides in the joints in industrial steel or alloy which lead the alloy to be susceptible to intergranular corrosion. Sensitization occour when the alloy is heated to 700 degree Fahrenheit to 1500 degree fahrenheit. Sensitization alloys become reactive and intergranular corrosion occurs.
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Sensitization in Cr-Mo steel weld joint occurs due to formation of Cr carbide.
Explanation:
- This phenomenon is caused by the extensive chromium carbide precipitation which occurs in the weld metal.
- Thereby these weld has a process of sensitization. This is process which acts in the accordance with the stimuli.
- It is phenomenon of making a stimuli to avoid the substance which are considered as the foreign substance that showing lot of diversity towards it.
- Here the weld diversity is shown via the chromium carbide metal in this.
To know more:
What causes sensitization and desensitization?
https://brainly.in/question/7075957
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