and cutting. A spheroidized structure also heat treats somewhat differently than a typical air cooled microstructure of pearlite. So even if a knifemaker chooses not to do an annealing step he must know that the steel will respond differently when austenitizing. ...
The typical recommended heat treatment for 52100 is a 1500-1550°F austenitize for 10-30 minutes followed by an oil quench and a temper from 300-500°F [1]. Some knifemakers have recommended a 1475°F austenitize. There are also several different recommendations for “thermal cycles” to b...
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At this stage, as well as designing how the knife will look, one of the main decisions that you need to make is how you are going to attach the handles to the knife. There are three main ways of accomplishing this; a full tang, a partial tang and a through tang. The knife that I...
From a bite On your feet From a crush injury Not treated right away Dirty "A relatively clean cut, like one from a just-washed kitchen knife, is less likely to cause an infection than stepping on a piece of glass at the beach," Dr. Billet explained. ...
With deeply buried splinters, you may need to cut a bit of the skin away with your scalpel or disinfected knife to expose the object. Cut carefully along the long axis of the splinter. You want to “tease” the skin open just enough to get a firm grip on the splinter’s head. ...
If the insect has left behind a stinger, remove it from the skin so less of the venom gets into your body. You can scrape out the stinger with the edge of a credit card or the dull edge of a knife. Don’t squeeze the stinger. You might release more of the venom into your skin....
Heat stroke can be dangerous, especially for babies and toddlers. Learn how to prevent, spot and treat sunstroke in babies and young children.
depending on the quantity of articles supplied and the amount of heat to be transmitted; rolls of the furnace are set in the high temperature zone at a short distance from each other; and baffle plates between the zones are set at the smallest possible distance from the rolling track or the...
depending on the quantity of articles supplied and the amount of heat to be transmitted; rolls of the furnace are set in the high temperature zone at a short distance from each other; and baffle plates between the zones are set at the smallest possible distance from the rolling track or the...