Tsarin sintering yumbura

Sintering wata fasaha ce da ke amfani da makamashin zafi don ƙirƙira foda. Ma'anar sintering yana nufin tsarin densification na porous yumbu billet a karkashin yanayin zafi mai zafi, an rage girman yanki, an rage porosity, kuma an inganta kayan aikin injiniya. Sai kawai ta hanyar ƙware ka'idodin canjin jiki a cikin aiwatar da harba zafin jiki mai zafi, zaɓi daidai da ƙirar murhu, ƙirƙira da aiwatar da tsarin harbi a kimiyance, da aiwatar da tsarin aiki na lodi da harbe-harbe, za a iya inganta ingancin samfuran, rage yawan amfani da mai, da samun fa'idodin tattalin arziki mai kyau.

Sintering siga

Siffofin fasaha da ke shafar sintirin kayan yumbura

(1) Tasirin zafin wuta akan aikin samfur

1. Yanayin zafin wuta yana nufin yanayin da ya dace lokacin da yumbura ya ƙone jiki don samun mafi kyawun dukiya, wato, zafin wuta na tsayawa yayin aiki.
2. Matsayin zafin jiki na harbe-harbe kai tsaye yana rinjayar girman da adadin hatsi. Don m lokaci yadawa ko ruwa lokaci recrystallization, yana da amfani don ƙara yawan zafin jiki na harbe-harbe. Koyaya, don ain na musamman, yawan zafin jiki mai yawa zai haifar da girman hatsi gabaɗaya ya yi yawa ko kuma ƙaramin adadin hatsi ya ƙaru sosai, yana lalata daidaiton tsarin ƙungiya, don haka lalata kayan lantarki na samfurin.

(2) Tasirin riƙe lokaci akan aikin samfur

Tsayawa mafi girman zafin wuta na wani ɗan lokaci, a gefe guda, zai sa sauye-sauye na zahiri da na sinadarai su zama cikakke, ta yadda koren jiki zai sami isasshen lokacin ruwa da girman hatsin da ya dace, kuma a gefe guda kuma, tsarin ƙungiyar kuma zai zama iri ɗaya. Duk da haka, idan lokacin adana zafi ya yi tsayi da yawa, ƙwayar kristal za ta narke, wanda ba shi da amfani ga samuwar kwarangwal mai karfi a cikin blank kuma yana rage kayan aikin injiniya.

(3) Tasirin yanayin harbi akan aikin samfur

1. Tasirin yanayi akan faɗaɗa yawan harbe-harbe na jikin yumbura
2. Tasirin yanayi akan raguwa da raguwar jikin kore
3. Tasirin yanayi akan launi da watsawa na blank da ingancin glaze Layer.

(4) Tasirin dumama da saurin sanyaya akan aikin samfur

M-lokaci sintering iya kullum za a iya raba uku matakai: na farko mataki, wanda aka yafi bayyana da canji na barbashi siffar; matsakaicin mataki, wanda aka fi nunawa ta hanyar canza siffar pore; mataki na ƙarshe, wanda aka fi nunawa ta hanyar rage girman pore.

Liquid phase sintering (LPS a takaice) yana nufin karkatar da jiki mai ɗauke da foda da yawa. Matsakaicin zafin jiki aƙalla ya fi narkewar ɗaya daga cikin foda, ta yadda ruwa lokaci sintering faruwa a lokacin sintering tsari. tsari.

amfani:

1. Inganta karfin tuƙi.
2. Za'a iya shirya kayan haɗin yumbu tare da ƙananan ƙirar sarrafawa da ingantattun kaddarorin

Ceramics Of Ignition Pin

Featuren sintering-zafin latsa sintering

Matsi mai zafi yana amfani da matsa lamba zuwa blank a lokaci guda yayin aikin sintiri, wanda ke hanzarta aiwatar da densification. Sabili da haka, zafin jiki na ƙwanƙwasa mai zafi yana da ƙasa kuma lokacin ƙaddamarwa ya fi guntu.

Fasaha mai zafi mai zafi yana da tarihin shekaru 70 kuma an fara amfani dashi a cikin shirye-shiryen tungsten carbide da tungsten foda mai yawa. Yanzu ana amfani da shi sosai a cikinsamar da yumbu,foda karfeda kayan hadewa.

Abvantbuwan amfãni daga zafafan latsa sintering

1. Matsin gyare-gyaren da ake buƙata shine kawai 1/10 na hanyar latsa sanyi
2. Rage yawan zafin jiki da kuma rage lokacin raguwa yana hana ci gaban hatsi.
3. Yana da sauƙi don samun samfurori tare da kyawawan kayan aikin injiniya da kayan lantarki.
4. Mai ikon samar da samfurori tare da sifofi masu rikitarwa da madaidaicin girma.

Sassan yumbu na Karfe