Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 1 (Q.No. 23)
23.
A small percentage of boron is added to steel in order to
increase hardenability
reduce machinability
increase wear resistance
increase endurance strength
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Kumar said:   8 years ago
Can anyone explain the microstructural changes on addition of boron?

Arungokul said:   1 decade ago
Boron for surface hardening through diffusion process.
(1)

Vasu mittal said:   1 decade ago
Boron is added to steels for its unique ability to increase hardenability when present in concentrations of around 0.0015% to 0.0030%.

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