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  • Users: bubble13
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  1. bubble13

    troostite

    I am doing a hardening heat treatment on high carbon bearing steel.I have a problem of formation of a microstructure called troostite,which I observed it after tempering.How can I avoid this? Is it due to short austenitizing time (I am austenitizing at 850 C for 20 min)? Is there any reference...
  2. bubble13

    hardening heat treatment

    I have 100Cr6 bearing steel.I want to harden it to get a hardness level of around 63HRC.the initial structure is spherodised carbide in the ferrite matrix.the procedure i aim is that to austenitise it to 850C and hold for 20 min at this temperature, quench it in oil and then finally tempering it...
  3. bubble13

    Soft annealing

    Hello, I have some high carbon(1%C) bearing steel,i followed the soft annealing procedure to prepare it for machining.what I expected to get was spherodised cementite in a continous ferrite matrics, unfortunately,when i see the microstructure i get somekind of ferrite so i assumed there is...

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