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  1. calphad

    Program for calc. of liqvidus of steel

    Based on my 10-year experience with Thermo-Calc, the software does an excellent job when it comes to calculating not just the liquidus temperature, but also the solidus and all other important transition temperatures (e.g., A1, A3, Acm temperatures in carbon steels -- see for example...
  2. calphad

    Tungsten & Tungsten Carbide Alternatives

    TVP is absolutely right with his comments. No single alloy in the world has it all. With every single alloy there is always a balancing act between a number of competing and mutually exclusive properties and characteristics. Depending on a particular application, as well as cost restrains, we...
  3. calphad

    Tungsten & Tungsten Carbide Alternatives

    The closest alternative to cemented carbides you can get, when it comes to the resistance to abrasive wear, is one of super high-speed steels such as, say, CPM Rex 121 or CPM Rex 86. These grades contain a relatively high volume fraction of very hard vanadium-rich MC primary carbides and...
  4. calphad

    Iron-niobium intermetallics

    I just wanted to remind you that iron and niobium can form two intermetallic phases that you might want to distinguish: the epsilon phase (Fe2Nb) with a Laves structure and the mu phase (FeNb). Alojz Kajinic, Ph.D. http://www.calphad.com/
  5. calphad

    Research with Inconel 625

    In Metallurgical Transactions A, Volume 20A (April 1989), pp. 665-681, you will find an excellent paper entitled "Phase Transformations at Steel/IN625 Clad Interfaces" by Raghavan Ayer et al., which might help you address some of your research problems and questions. Alojz Kajinic, Ph.D...
  6. calphad

    oxygen,hydrogen,nitrogen in titanium

    Some basic information regarding the influence of elements such as oxygen, nitrogen, and hydrogen (among other alloying elements) on titanium and its alloys can be found toward the end on the following web page: http://www.calphad.com/titanium-aluminum.html Alojz Kajinic, Ph.D...

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