Tungsten carbide hard alloy na-emebere ya ka ọ guzogide corrosion, abrasion, wear, fretting, sliding wear na mmetụta ma n'ikpere mmiri na nke dị n'ụsọ osimiri na elu na ngwa ngwa ngwa.

Tungsten carbide bụ ngwakọta kemịkalụ inorganic nke nwere ọnụọgụ tungsten na carbon carbon. Tungsten carbide, nke a makwaara dị ka "carbide cimented", "hard alloy" ma ọ bụ "hardmetal", bụ ụdị metallurgic ihe nke nwere tungsten carbide ntụ ntụ (usoro chemical: WC) na ihe ndị ọzọ na-ekekọta (cobalt, nickel. wdg) . enwere ike ịpịnye ma guzobe ka ọ bụrụ ụdị ahaziri ahazi, enwere ike gwerie ya nke ọma, enwere ike were ya ma ọ bụ nyado ya na ọla ndị ọzọ. Enwere ike ịhazi ụdị dị iche iche na akara ule carbide dị ka achọrọ maka iji ngwa a chọrọ, gụnyere ụlọ ọrụ kemịkalụ, mmanụ & gas na mmiri dị ka ihe Ngwuputa na igbutu, ebu na anwụ, eyi akụkụ, wdg.

A na-eji efere ntinye nke Tungsten carbide eme ihe maka ngagharị pulser nke sistemụ WMD&LWD.

Tungsten carbide maka mkpọpu MWD / LWD na-agụnye ụdị abụọ: Ma isi ahụ na akụkụ nke eri bụ nke tungsten carbide, nke a na-akpọ isi valvụ isi siri ike, isi ahụ bụ tungsten carbide na akụkụ nke eriri bụ nke igwe anaghị agba nchara. ígwè (dị ka igwe anaghị agba nchara 304, wdg) nke a na-akpọ welded isi valvụ isi.