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Relationship Between Ms temp & Grain size

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pandithan

Mechanical
Joined
May 20, 2001
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101
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IN
Is there any relationship between Ms(Martenstic start)temp & Grain sizes
Pandithan
 
While discussing the effect of grain size on Ms temperature, composition of the steel must be considered. Alloying elements have a strong role in influencing Ms temperature.

A few reports suggest that for a given alloy chemistry, with reduction in austenite grain size, there is a marginal dip in Ms temperature.

 
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