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  1. lalie90

    laser hardening of EN8 steel using an Nd-YAG laser

    Hi guys What are the parameters to use or start with to harden an EN8 steel to those who have done it previously. Your help will be appreciated LALIE90
  2. lalie90

    callibrating a micro-hardness vickers tester

    why do we need a specific test block for callibrating a micro-hardness vickers tester?
  3. lalie90

    Problem with a microhardness tester MHT-1,from japan

    I'm actually doing the callibration data again using a steel disc of (695-705 HV)to see if i will get the same values as the people that did it before,but the values that i'm getting are extremely high,and when people use it gives false readings too when comparing to the callibrations that were...
  4. lalie90

    Problem with a microhardness tester MHT-1,from japan

    Hi guys, what do you think could be the problem with a micro hardness tester that i'm using because i seem to be getting wrong values(between 800 HV and 900 HV) compared to the calibrations that were done(which are from 695-705 HV). any suggestion or solution to what the probllem might be...

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