Carbide da aka yi da siminti shine samfurin ƙarfe na foda wanda aka keɓe a cikin tanderun sarari ko tanderun rage hydrogen tare da cobalt, nickel, da molybdenum a matsayin babban ɓangaren tungsten carbide micron-sized foda na ƙarfe mai ƙarfi mai ƙarfi.Sintering mataki ne mai matukar mahimmanci a cikin siminti carbide.Abin da ake kira sintering shine don dumama foda zuwa wani zafin jiki, ajiye shi na wani lokaci, sa'an nan kuma kwantar da shi don samun kayan da ake bukata.Tsarin siminti na siminti carbide yana da rikitarwa sosai, kuma yana da sauƙi don samar da sharar gida idan ba ku da hankali.A yau, Chuangrui Xiaobian zai ba ku sharar da aka saba yi da kuma dalilai.
1. Carbide sintered sharar gida ne na farko da bawo
Wato saman carbide da aka yi masa siminti yana wucewa ta tsage-tsage a gefuna, harsashi ko tsagewa, kuma a lokuta masu tsanani, ƙananan fata masu sirara kamar ma'aunin kifi, fashe fashe, har ma da jujjuyawa.Bawon ya samo asali ne saboda tasirin hulɗar cobalt a cikin ƙarami, ta yadda iskar da ke ɗauke da carbon ke lalata carbon ɗin da ke cikinsa, wanda ke haifar da raguwar ƙarfin ƙaƙƙarfan ƙaƙƙarfan, wanda ke haifar da kwasfa.
2. Na biyu mafi yawan sharar siminti na carbide sintered shine ramuka
Pores sama da microns 40 ana kiran su pores.Abubuwan da zasu iya haifar da kumburi na iya haifar da pores.Bugu da kari, idan akwai datti a cikin sintered jiki wanda ba a jika da narkakkar karfe, kamar manyan pores kamar "unpressed", ko sintered jiki yana da tsanani m lokaci da kuma The segregation na ruwa lokaci zai iya haifar da pores.
3. Abu na uku da aka fi sani da siminti mai simintin siminti na sharar gida shine blister
Akwai ramuka a cikin samfuran simintin carbide gami da siminti, kuma filaye masu lankwasa suna bayyana a saman sassan da suka dace.Wannan al'amari shi ake kira blistering.Babban dalilin blister shine cewa jikin da aka lalata yana da isasshen iskar gas.Yawancin nau'i biyu ne: ɗaya shine iska ta kan taru a cikin jikin da ba a sani ba, kuma yayin aikin raguwa, iska tana motsawa daga ciki zuwa saman.Idan akwai ƙazanta na ƙayyadaddun girman jiki a cikin jikin da aka ƙera, kamar guntun allo, tarkacen ƙarfe, da tarkacen cobalt, iska za ta tattara a nan.Bayan jikin da aka ɓalle ya bayyana a cikin wani lokaci na ruwa kuma yana da yawa, ba za a iya fitar da iska ba.Kumburi suna fitowa akan mafi ƙanƙanta saman saman.
Na biyu kuma shi ne cewa akwai wani sinadarin da ke haifar da iskar gas mai yawa a cikin jikin da ya rude.Lokacin da akwai wasu oxides a cikin jikin da aka lalata, an rage su bayan yanayin ruwa ya bayyana don samar da iskar gas, wanda zai sa samfurin kumfa;WC-CO Alloys gabaɗaya sun ƙunshi Abubuwan da ke haifar da haɓakar oxides a cikin haɗin gwiwa.
4. Akwai kuma rashin daidaituwa tsari: hadawa
5, sannan akwai nakasu
Canjin sifar da ba ta dace ba na jikin da aka yi wa katsalandan ana kiransa nakasawa.Babban dalilan da ke haifar da nakasar su ne kamar haka: rarrabuwar ƙima na ƙayyadaddun ƙayyadaddun ba daidai ba ne, saboda ƙarancin ƙyallen da aka gama daidai yake;Jikin da aka yi amfani da shi yana da ƙarancin ƙarancin carbon a cikin gida, saboda rashin iskar carbon yana rage lokacin ruwa kaɗan;lodin jirgin ruwa bai dace ba;farantin baya bai yi daidai ba.
6. Bakar Zuciya
Wurin da ba a kwance akan alloy fracture surface ana kiransa cibiyar baƙi.Babban dalilai: ƙarancin abun ciki na carbon da ƙarancin abun ciki na carbon da bai dace ba.Duk abubuwan da suka shafi abun ciki na carbon na jikin da aka lalata zai shafi samuwar zuciyoyin baƙar fata.
7. Har ila yau fashe-fashe abu ne da ya zama ruwan dare a cikin kayan sharar siminti na siminti
Ƙunƙarar matsa lamba: Domin shakatawa na matsa lamba baya nunawa nan da nan lokacin da briquette ya bushe, farfadowa na roba yana da sauri yayin sintering.Oxidation cracks: Domin briquette ya zama wani ɓangare na oxidized lokacin da ya bushe, haɓakar thermal na ɓangaren oxidized ya bambanta da na ɓangaren da ba a san shi ba.
8. Yawan ƙonawa
Lokacin da zafin jiki ya yi girma ko lokacin riƙewa ya yi tsayi sosai, samfurin zai ƙone sosai.Yawan ƙona samfurin yana sa hatsi ya yi kauri, ƙura yana ƙaruwa, kuma abubuwan haɗin gwal suna raguwa sosai.Hasken ƙarfe na samfuran da ba a kora ba ba a bayyane yake ba, kuma kawai yana buƙatar sake kunnawa.
Lokacin aikawa: Mayu-31-2023