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Asked: 2022-02-25T02:49:18+05:30 In:

GATE MT 2022 Q19. Identify the correct statement(s) with respect to the role of nickel as an alloying element in steels.

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5.88% (A) It increases the Ms temperature ( 3 voters )
84.31% (B) It is an austenite stabiliser ( 43 voters )
3.92% (C) It decreases the Ms temperature ( 2 voters )
5.88% (D) It is a carbide former ( 3 voters )
Based On 51 Votes

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GATE MT 2022 Q19. Identify the correct statement(s) with respect to the role of nickel as an alloying element in steels.
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    1 Answer

    1. Increment
      This answer was edited.

      Nickel stabilizes the austenite phase and as the austenite gets stable , the martensite transformation by quenching is difficult and there is a drop in Ms temperature and if the Ni wt% is so high (Stable Austenite at room temp also), we can't get martensite

      Nickel stabilizes the austenite phase and as the austenite gets stable , the martensite transformation by quenching is difficult and there is a drop in Ms temperature and if the Ni wt% is so high (Stable Austenite at room temp also), we can’t get martensite

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