http://www.artmetal.com/tags/visible_hamon The taxonomy view with a depth of 0. en http://www.artmetal.com/blog/radharc/2008/08/for_gimperfi_some_fun_with_steel_a_hamon_and_heat_treating <!-- google_ad_section_start --> <p>Hey Gimperfi, </p> <p>I mentioned some of the fun you can have with differential hardening, so thought I&#39;d share some pics. This started out as a dull old Nicholson file. I annealed it, then ground it, packed the spine with Satanite refractory clay, and hardened it, creating a differential temper (soft at the spine, super hard at the edge), as well as a hamon, the traditional Japanese visible hardening line. Thought maybe the pics would inspire you to upgrade your rig and get into heat treating. The clay coating: </p> <br class="clear-both" /><!-- google_ad_section_end --> <p><a href="http://www.artmetal.com/blog/radharc/2008/08/for_gimperfi_some_fun_with_steel_a_hamon_and_heat_treating">read more</a></p> http://www.artmetal.com/blog/radharc/2008/08/for_gimperfi_some_fun_with_steel_a_hamon_and_heat_treating#comment blade custom knife hardening heat treating knife visible hamon Tue, 26 Aug 2008 17:16:31 -0500 Radharc 6636 at http://www.artmetal.com