carbide

Drop-In carbides are now available for all models of vertical shaft impactors [VSI] from Kolberg-Pioneer Inc.

Cambridge based tool engineer, C4 Carbides, recently commissioned an aqueous cleaning system from MecWash, to remove oil and dirt from the cutting edge of tools prior to adhering carbide and painting.

Microstructure of cast high speed steel R6M5 (EBCHR) consists over grain boundaries of martensite (austenite grain score is 9-10), residual austenite, torn carbide network (carbide inhomogeneity score, according to GOST 19265-73 scale 2, is 6-7) and disperse carbides, uniformly distributed over the whole volume of ingots (Figure 1, a).

When both a 100% sand core and mold were used, the section contained massive carbides in fine pearlite.

Essentially, Severson explains, "Tool steels are composed of a matrix, carbide volume, and non-metallic inclusions." The carbides are a function of the steel-making process and are beneficial as regards wear resistance.

1 and 2) indicate cryogenic-treated tungsten carbide wears less and slower than the untreated tungsten carbides.

Most of the subsequent developments in the hard carbides have been modifications of the original patents, principally involving replacement of part or all of the tungsten carbide with other carbides, especially titanium carbide and/or tantalum carbide.

They plan to continue studying possible applications and making nanorods out of different carbides. "In principle, you can make all the carbides that exist," Dai says.

Unlike straight tungsten carbides, which are heavy and forced to the bottom of the weld puddle, the composition of Postalloy PS-150 is ideally balanced to provide a uniform distribution of vanadium-tungsten carbides throughout a tough steel matrix that takes more impact than both chromium and tungsten carbides.

Pure tungsten carbide (WC) is brittle, and is therefore mainly used in sintered cemented carbides (CC).

8, which is etched, reveals carbides in the microstructure.