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Shaik
Shaik
Asked: June 23, 20212021-06-23T20:42:32+05:30 2021-06-23T20:42:32+05:30In: Physical Metallurgy & Heat treatment

what is super heating and supercolling ?

what is super heating and supercolling ?
heat treatment
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    1. Kathirvelan R Silver Learner
      2021-06-25T09:07:10+05:30Added an answer on June 25, 2021 at 9:07 am

      Super heating is heating above the melting temperature. For example, iron melting temperature is 1540°C. If you heat that to 1560°C, that means that liquid is super heated to 20°C. Super cooling means cooling below melting temperature but still it is in liquid form. It is also called undercooling. TRead more

      Super heating is heating above the melting temperature. For example, iron melting temperature is 1540°C. If you heat that to 1560°C, that means that liquid is super heated to 20°C. Super cooling means cooling below melting temperature but still it is in liquid form. It is also called undercooling. Temperature will drop below the melting temperature but still It is in liquid form.

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      • surajbhan
        2021-06-26T11:08:33+05:30Replied to answer on June 26, 2021 at 11:08 am

        undercooling is not same as supercooling

        undercooling is not same as supercooling

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        • Kathirvelan R Silver Learner
          2021-06-26T12:00:13+05:30Replied to answer on June 26, 2021 at 12:00 pm

          What is difference between super cooling and undercooling.?

          What is difference between super cooling and undercooling.?

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          what is super heating and supercolling ?
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          • surajbhan
            2021-06-26T12:19:48+05:30Replied to answer on June 26, 2021 at 12:19 pm

            undercooling is when the temperature is just below the melting temperature to release the latent heat for solidification. supercooling is when the cooling rate is very high such that liquid particles will not get sufficient time to arrange in period arrangement and upon solidification remains randomRead more

            undercooling is when the temperature is just below the melting temperature to release the latent heat for solidification.
            supercooling is when the cooling rate is very high such that liquid particles will not get sufficient time to arrange in period arrangement and upon solidification remains random arrangement

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            • Kathirvelan R Silver Learner
              2021-06-26T12:23:54+05:30Replied to answer on June 26, 2021 at 12:23 pm

              https://en.m.wikipedia.org/wiki/Supercooling

              https://en.m.wikipedia.org/wiki/Supercooling

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            • Kathirvelan R Silver Learner
              2021-06-26T12:29:24+05:30Replied to answer on June 26, 2021 at 12:29 pm

              Releasing of latent heat during undercooling is known as recalescence. I think you are referring this thing as undercooling.

              Releasing of latent heat during undercooling is known as recalescence. I think you are referring this thing as undercooling.

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      • Shaik
        2021-06-26T11:21:24+05:30Replied to answer on June 26, 2021 at 11:21 am

        is supercolling and fast colling same or different

        is supercolling and fast colling same or different

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        • Kathirvelan R Silver Learner
          2021-06-26T12:17:39+05:30Replied to answer on June 26, 2021 at 12:17 pm

          I don't know how to differentiate exactly. But by cooling faster we can retain liquid structure below its freezing point. That means we can achieve undercooling effect by cooling fast.

          I don’t know how to differentiate exactly. But by cooling faster we can retain liquid structure below its freezing point. That means we can achieve undercooling effect by cooling fast.

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