Ha, this is 38 HRC with full anneal, that would be sensible but I doubt that will be done. If it is practical it will have a distal taper.Henry - get both wrote:I figure you will surface grind that bar down to ~.125" thick before cutting the blanks out?
Full flat, true zero. However I may do the final zero by hand. It will be under 0.005" from the maker (Jeremy McCullen) as he runs a water cooled grinder and can easily (and has) ground under that. However to do true zero you have to use fine abrasives and the Maxamet will likely eat them due to the carbide/abrasive size ratio effect on belt wear. Essentially the rate of belt wear rises dramatically as you approach the size of the carbides in the steel (if you are above them the abrasive just ploughs them out of the way, when they are the same size they wear against each other).What kind of blade geometry will the finished mule have?
Cliff Stamp wrote:As Spyderco tends to be pushed towards very high carbide mules and they work with carpenter then this is the obvious choice : http://cartech.ides.com/datasheet.aspx?i=101&E=84
Maxamet is an extreme alloy, for comparison, it is to 10V what S90V is to 420J2. Maxamet is used when HSS like M4 fail because they are too soft or wear too fast - just consider that for a matter of perspective.
In industry it has very strong advantages because it can be used where traditional alloys wear too fast or take too much deformation but ceramic fails by fracture, as an example :
"Roll-Kraft, the world leader in tube and pipe mill rolls, evaluated Maxamet alloy in an abrasive tube forming application at a customer's plant. Normally, the costly tungsten carbide rolls in this application would produce 250,000 to 300,000 ft. of tubing. AISI D2 rolls typically produce about 100,000 ft. before rework is required.
Roll-Kraft's Director of Operations, Dave Jenkins, reported that the roll that had been made from Maxamet alloy was pulled from service after 320,000 ft. of production and found to have only 0.003" wear. Roll-Kraft was able to manufacture the rolls made from Maxamet alloy without difficulty as this alloy was found to be machinable. The tooling was reconditioned and put back in service on the production line."
Ref : http://www.cartech.com/techarticles.aspx?id=1588
As a knife - it would set a limit for hardness (as it is 70+ HRC) and wear resistance . In regards to sharpening, don't be concerned about that, I have ground 121REX (a similar CPM steel) on regular benchstones, there is no need for CBN or diamonds.
I am getting a bunch of knives made from a huge bar of it (almost 1/4" thick just for the lol's) :
Doesn't afraid of envelopes :Philo Beddoe wrote: When you push the envelope sometimes the envelope pushes back..
Off topic:Philo Beddoe wrote:Yep, and ZT is putting out a knife called the 0888MAX with the blade steel made out of Maxamet at a hardness in the 67 to 69 range..
Very limited numbers, somewhere around 120 were made, the target number was 250 but because of how hard Maxamet is to work with only approximately 120 were made..there were issues with several of the blades warping..
When you push the envelope sometimes the envelope pushes back..
Users browsing this forum: No registered users and 1 guest