Jun 19, 2002 #1 CoryPad Materials Apr 15, 2002 5,192 The object is the indenting ball for a hardness tester. Can the ball be picked up with an ordinary magnet? Thanks!
The object is the indenting ball for a hardness tester. Can the ball be picked up with an ordinary magnet? Thanks!
Jun 19, 2002 #2 mcguire Materials Nov 2, 2001 1,086 The tungsten carbide isn't magnetic, but the 3 to 20%Cobalt in the mixture is ferromagnetic, like iron or nickel. So how it responds to a magnetic field depends mostly on the ratio of cobalt to WC. Upvote 0 Downvote
The tungsten carbide isn't magnetic, but the 3 to 20%Cobalt in the mixture is ferromagnetic, like iron or nickel. So how it responds to a magnetic field depends mostly on the ratio of cobalt to WC.
Jun 20, 2002 1 #3 bilge Materials Mar 14, 2001 59 The test method for the magnetic permeabilty of cemented carbides is ASTM A342. Upvote 0 Downvote
