Search Result

1. Editors Choice Guillaume Cote

   Category: Knives/Editors Choice Knives

   ... 16 1/4" Guillaume says This is another fillet knife with the Spruce Cone from Norway. I would consider these as a Medium Flex, I DO NOT sacrifice Rockwell Hardness for more flexibility,for more flex ... Monday, 30 April 2012

2. The endless search for the perfect knife (® Rolf Hatterscheid)

   Category: People/Stories

   ... is a special Titanium for knife blades with approximate Rockwell Hardness RC = ca. 46 (Used for example by Mission Knives)   *Titanium sandwiched 1095 steel from Tygrys (no longer existant) ... Friday, 18 February 2011

3. Wood

   Category: Workshop/How to make knives

   ... heavy, black. Work slowly, don't overheat. Ironwood Similar to Lignum Vitae for density and hardness. Its other name is Olneya tesota. A favored handle material used by knifemakers for many years. ... Friday, 14 January 2011

4. Stories about Knives

   Category: Knives/History of Knives

   ... product. Stone toolmakers exploited characteristics inherent in the materials they worked. They needed materials that could be cleaved or broken into predictable shapes. Materials of a suitable hardness, ... Friday, 14 January 2011

5. Steel

   Category: Workshop/How to make knives

   ... is pushed out of solution while below the eutectoid(hypoeutectoid) some of the iron is pushed out of solution. Maximum hardness can be achieved at .65% carbon. More than this helps to improve abrasion ... Friday, 14 January 2011

6. Nahuarra Sword

   Category: Knives/Knife Reviews

   ... if you have sharpened other blades with the same stone. A blade with a good degree of hardness will have a slight tendency to whistle on some stones. If the whistle is too pronounced on a hard stone the ... Thursday, 13 January 2011

7. Mohs Hardness

   Category: Workshop/How to make knives

   The Mohs Hardness Scale Agate 7 Alabaster 2 Alexandrite 8.5 Amazonite 6 Amber 2.5 Amethyst 7 Aquamarine 7.5 Aventurine 7 Azurite ... Thursday, 13 January 2011

8. Heat Treat

   Category: Workshop/How to make knives

   ... to eliminate the transformation that would normally occur and the iron or steel will acquire the desired conditio,(hardness) at room temperature. A key indicator that the steel is above Ar3, or Ac3 for ... Tuesday, 23 November 2010

9. Stone Tools & Knives

   Category: Knives/History of Knives

   ... that could be cleaved or broken into predictable shapes. Materials of a suitable hardness, tenacity and homogeneity. Basalt, chalcedony, chert, diorite, flint, jade, jasper, obsidian, quartzite, rhyolite, ... Thursday, 12 October 2006

10. Knife Design

    Category: Workshop/How to make knives

    ... not hold an edge when annealed. The "ha" and its deliniating "yakiba" are not simple cosmetic in nature but part of the Japanese solution to that eternal trade off between hardness and toughness. Yakiba, ... Wednesday, 11 October 2006

11. Bob Engnath on "Steel"

    Category: Workshop/How to make knives

    ... similar to 440C and won't win it any awards for ease in working. In use though, this alloy has a definite advantage in both hardness and toughness over 440C. 154 CM is not an accepted standard grade designation, ... Wednesday, 11 October 2006

12. Bob Engnath on "Yakiba Finishing"

    Category: Workshop/How to make knives

    ... the etch and pumice rubbing step until the division between the two areas of hardness is at the degree of contrast that you would like. You could make it very subtle, or outright bold, depending on how ... Wednesday, 07 July 2004

13. Conversions-Hardness

    Category: Workshop/How to make knives

         Brinnell  Vickers  Rockwell C  Mohs  800  -------  72    780  1220  71    760  1170  70   745  1114  68    725  1060  67   ... Monday, 12 April 2004

14. Steel

    Category: Workshop/How to make knives

    ... or carbon. Above the eutectoid(hypereutectoid) some of the carbon is pushed out of solution while below the eutectoid(hypoeutectoid) some of the iron is pushed out of solution. Maximum hardness can be ... Friday, 14 January 2011

15. Hardness Conversions

    Category: Workshop/How to make knives

      Hardness Conversions Brinnell Vickers Rockwell C Mohs 800 ------- 72   780 1220 71   760 1170 70   745 1114 68   725 1060 67 ... Sunday, 08 October 2006