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Recent content by alavi419

  1. alavi419

    Need help to calculate VOl fraction

    Hi every body I have an elementary question because i am confusing now. I should prepare different mixtures of powders for sintering. the instruction gave me the fraction of element in mass percent but i want to have one of the compund in the mixture in Vol%. let me to write one of the mixture...
  2. alavi419

    Proper Etchant for Hot and Cold work steel

    I have two samples that have been produced by extrusion(from powder). K190(X220CrVMO 13-4) and a steel that is H13. I am looking for Proper etchant solution to see the carbides and also i want to reveal the matrix if it is Austenite or martensite? Thanks for any kind of help.
  3. alavi419

    need standard

    Hi every body I am new here and I am looking for A959 Standard from ASTM this standard has some revision. A959-00a A959-01 A959-03 A959-04 I need theses revision but we don't have them in our library. I will appreciate for any kind of help. Thanks in advance Reza
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