![]() ![]() ![]() If you have ever gotten Mercury into a gold ring you know how they do it. Since it is only a couple of molecules thick the Brinell test will not work either as any attempt to scratch or abrade it would damage the surface.įrom what I've read on the web site they have greatly enhanced the technology of how they deposit the nitrate salts with some kind of hot metal spray and quenching. Since it is so thin you can literally see the underlying metal, so you can not see that part that has been melonized visually. ![]() This yields a thick hard machineable surface with a soft untempered core as is found in the Spicer C-clip style axles. The way to harden a part to make a wearing surface is to induction harden it with a high frequency transformer. The melonizing acts like a Teflon coating increasing wear by being slippery not increasing the hardness of the product (which technically it is so saying softer was a poor choice of words). The trouble is its is only a couple of molecules thick. Back in the early seventies GM used to nitrate their forged steel crank shafts using a vacuum deposit technology that took days to build up a couple of microns thick coating. Melonizing doesn't harden the part were by the whole part is uniformly harder as in tempering, it is a chemical reaction involving Nitrate salts. Info stolen from another post, (Lareger Dave on camaros net) Im not that smart. ![]()
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