Premium Firearm Finishes: Nitride (Melonite QPQ) vs DLC

Sharing some information and a few of my thoughts on two premium firearms finishes. Diamond-like carbon (DLC) and Melonite QPQ. Lots of sources below the timestamps. 00:00 Intro 01:17 Melonite QPQ process 03:20 Melonite QPQ structure 04:42 Melonite QPQ Nitride properties and benefits 06:32 DLC process 08:11 DLC structure 09:50 DLC properties and benefits 10:39 Comparison intro 11:39 Processes 14:22 Thickness 16:02 Corrosion resistance 19:53 Hardness 22:38 Coefficient of friction 23:00 Fatigue strength 23:28 Wear resistance 23:58 Lubricity 24:07 My thoughts 25:14 Conclusion My video about case hardening with more information on salt bath nitride:    • Case Hardening (Carburizing, Nitride, Nitr...   Hef USA salt bath nitride info: https://www.hefusa.net/salt_bath_nitr... More Melonite info from Burlington (licenses the process from HEF): https://www.burlingtoneng.com/melonit... More Melonite info from IBC Coatings: https://www.ibccoatings.com/salt-bath... PVD vs CVD processes: https://blog.vaportech.com/pvd-cvd-co... Hef USA DLC info: https://www.hefusa.net/pvd_coating/DL... HEF USA DLC FAQ: https://www.hefusa.net/pvd_coating/DL... Ionbond DLC info: https://www.ionbond.com/en-us/technol... Alchemy Custom Weaponry DLC description (¾ down the page): https://alchemy1911.com/options/ Atlas DLC care video:    • Taking care of your DLC / Vapor Coating wi...   Staccato cleaning and lubrication: https://staccato2011.com/blog/cleanin... Some good PVD info: https://techmetals.com/pvd/ Nitride vs hard chrome salt spray test: https://www.northeastcoating.com/salt... Nitride vs chrome barrels from Faxon: https://faxonfirearms.com/blog/freque... Armorlube Army test report: https://www.armorlubecoating.com/word... Armorlube devcom adoption press release: https://www.armorlubecoating.com/word... Armorlube coating services: https://www.armorlubecoating.com/coat... Armorlube coating equipment: https://www.armorlubecoating.com/coat... Duralar Armorlube info (Armorlube is a trademark of Duralar): https://www.duralar.com/armorlube/ More Duralar/Armorlube info: https://www.svc.org/clientuploads/dir... Hardness conversion tool: https://www.microncoatings.it/en/elec... ASTM B117 salt spray test info: https://en.wikipedia.org/wiki/Salt_sp... Pin on disk test info: https://www.tribonet.org/wiki/pin-on-... Leeb hardness test info: https://en.wikipedia.org/wiki/Leeb_re...