Kevin R. Cashen's latest activity

  • Kevin R. Cashen
    ^^ What he said. I always introduce my blades to a heat source that has assumed temperature and leveled off. 45 minutes is not a lot...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread Blade Hardness.
    The concerning thing for me is the idea that one should lower the blade hardness to accommodate easier sharpening, if that is the case...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread Blade Hardness.
    It depends very heavily on the steel used and the edge geometry, but I normally shoot for 61 to 62 HRC in hunters. Depending on the...
  • Kevin R. Cashen
    One can push Ac1 or Ar1 (i.e. critical temperatures in heating or cooling) as much as 100°F off its expected point simply by changing...
  • Kevin R. Cashen
    Faster rates of heating can result in finer structure but also increases the effects of hysteresis, necessitating more time for to...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread right knives for 1075?.
    With care and a little skill with the fire, you can make a quality knife of just about any type with this steel, it has a carbon level...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread right knives for 1075?.
    Water is overkill, resulting in higher rates of failure due to distortion or cracking. Ancient steels worked with water due to their...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread right knives for 1075?.
    While scanning over the new topics I was pleased to see this question being addressed, for years the number of knives I have seen with...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread "normalize" definition.
    I figured there was something going on there. I am now thoroughly tired of 52100, as I have stared at more of it through the microscope...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread "normalize" definition.
    Hello Victoroni, It all depends on what you are looking for in a definition, what knifemakers refer to as “normalizing” and what the...
  • Kevin R. Cashen
    It must have been around 20 years ago now (time flies) that Tim Zowada and I did a fairly exhaustive research and testing of Damascus...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread Quench oil.
    I, personally, would not have anything less than 5 gallons in a quench tank. You can have too little, but you can't have too much...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread Quenching Methods.
    The rate of quench will be determined by the alloying present. The more alloying, particularly things like Cr, and Mn, the slower the...
  • Kevin R. Cashen
    Kevin R. Cashen replied to the thread Blunt knives.
    Next helmets will be mandatory, just in case you were to slip in the shower. If I were living with somebody who was going to stab me, I...
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