carbide etchants

Metal assisted photochemical etching of 4H silicon carbide

Sep 27, 2017 · Metal assisted photochemical etching (MAPCE) of 4Hsilicon carbide (SiC) in Na 2 S 2 O 8 /HF and H 2 O 2 /HF aqueous solutions is investigated with platinum as metallic cathode. The formation process of the resulting porous layer is studied with respect to etching time, concentration and type of oxidizing agent. Metallographic Specimen Preparation for Tungsten Carbide The key to proper specimen preparation of hard / tough CERMET materials such as tungsten carbide is to to grind with a semi-fixed abrasive (polycrystalline diamond on a metal mesh cloth), followed by combining diamond abrasive with a CMP (chemical mechanical polishing) abrasive

Silicon Carbide Surface Cleaning and Etching - Materials

Sep 01, 2018 · Silicon carbide (SiC) surface cleaning and etching (wet, electrochemical, thermal) are important technological processes in preparation of SiC wafers for crystal growth, defect analysis or device processing. The Best Solution for Laser Engraving Carbide Applications May 07, 2020 · Carbides are substances that are composed of carbon and select types of metal. Carbide coatings, applied to a different metal piece (such as a drill bit), are some of the most common usages for a carbide compound. Some of the common metals that are able to form carbides, which are then put to use for diverse purposes, include the following: Tungsten Carbide Rolls - Meetyou CarbideApr 30, 2020 · Carbide Tire Studs Screw-in Carbide Tire Studs Carbide studs are widely used in car tires, hiking shoes, and ski poles in cold and humid areas .According to different uses and inlaid grooves, their specifications have different requirements.these stud pin made of tungsten carbide material will ensure most of the tires rubber to provide enough traction on pavement over

UMD

UMDStudy of Selective Etching of Carbides in SteelDec 06, 2011 · A number of etchants have been reported in the literature to selectively outline, outline and color, or attack specific types of carbides in steels. These etchants have been developed during the first half of the 20th century but have not been studied systematically since the development of modern analytical techniques.