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Heat Treating and Metallurgy Discussion of heat treatment and metallurgy in knife making. |
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#1
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Problem reading I-T diagram
I'm having trouble reading the scale on the I-T diagram; it's been yea many moons since I have had to read logarithems. I know that 10 to the 4th power comes out to 2 hrs 47 min but that is the next line located to the right. I'm kind of guestamating it to be about 3.5 hours. Does that seem about right or am I off?
Doug Lester __________________ If you're not making mistakes then you're not trying hard enough |
#2
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The time line starts with tenths of a second, then seconds, then tens, hundreds, thousands, ten-thousands, hundred-thousands, etc.
0.1 second = 0.0016667 minutes = 0.0000277 hours 1 second = 0.016667 minutes = 0.000277 hours 10 seconds = 0.16667 minutes = 0.00277 hours 100 seconds = 1.6667 minutes = 0.0277 hours 1000 seconds = 16.667 minutes = 0.2777 hours 10,000 seconds = 166.67 minutes = 2.777 hours 100,000 seconds = 1666.7 minutes = 27.7 hours I hope this is correct.. it has been many moons for me also.. Last edited by RandyScott; 02-01-2010 at 08:48 PM. |
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