Lub rooj zaum carbide tungide, raws li cov tub ntxhais sib khi sib xyaw cov cheeb tsam ntawm txoj haujlwm valve, nyob hauv txoj hauj lwm tseem ceeb hauv kev ua haujlwm vim lawv qhov kev ua tau zoo. Nrog nws cov khoom siv tshwj xeeb muaj pes tsawg leeg, tungsten carbide, lub rooj zaum qhov tshwj xeeb depability thiab kev yoog raws, ua rau thawj qhov kev xaiv rau ntau daim ntawv thov kev lag luam.
Ua ntej tshaj plaws, tungsten carbide cov rooj zaum tau paub rau lawv lub siab tawv thiab hnav tsis kam. Nyob rau hauv high-siab, high-velocity ntws tawm cov xov xwm ib puag ncig, thaum tungsten carbide tuaj yeem tiv thaiv cov yaig ntawm cov mob hnyav no vim nws cov khoom siv lub cev zoo heev. Qhov no ua rau carbide lub rooj zoo heev nyob rau hauv cov nqe lus ntawm kev txuas valve lub neej thiab txo cov nqi kho mob.
Thib ob, corrosion kuj tseem yog qhov tseem ceeb ntawm lub rooj carbide. Nyob rau hauv cov tshuaj lom neeg, roj av thiab lwm yam kev lag luam, qhov nruab nrab ntws hauv cov raj dej hluav taws xob feem ntau yuav tsum muaj rau cov khoom siv valve. Nrog nws cov tshuaj zoo heev stability, tungsten carbide tuaj yeem ua haujlwm ruaj khov rau ib puag ncig muaj kev nyab xeeb thiab kev puas tsuaj, kom ntseeg tau ntawm lub valve system.
Tsis tas li ntawd, lub pob carbide tau zoo tsis kam mus rau qhov kub. Nyob rau hauv ntau cov txheej txheem muaj kev muaj, qhov ntsuas kub ntawm nruab nrab tuaj yeem sawv ntau paug, uas cov kev sib tw rau cov cua sov ua rau ntawm cov khoom siv lub rooj. Nrog nws lub siab melting taw tes thiab siab thermal stability, tsis muaj kev ruaj khov thiab tawg, ua kom muaj kev ruaj khov ntawm lub valve thaum muaj kev ua haujlwm siab.
Lub Sijhawm Post: Sep-26-2024