Wane Zafin Jiki Ne Bargon Zaren Ceramic Zai Iya Jurewa?

"Wane Zafin Jiki Ne Bargon Zaren Ceramic Zai Iya Jurewa?"
Wannan tambaya ce da galibi ake sauƙaƙawa ko ma a fahimce ta a aikace-aikacen injiniya. Ana amfani da barguna na zare na yumbu sosai a cikin rufin tanderu na masana'antu da tsarin rufin gida, amma babban batun ba shine yadda zafin da za su iya jurewa na ɗan gajeren lokaci ba, amma ko aikinsu ya kasance mai karko yayin aiki na dogon lokaci.

Saboda haka, ba za a iya bayyana juriyar zafin barguna na zare na yumbu da lamba ɗaya ba. A fannin zaɓin injiniyanci, yana da mahimmanci a bambanta tsakanin waɗannan ra'ayoyi uku na zafin jiki:

Zafin Rarrabawa

Zafin rarrabuwa yana nufin matsakaicin zafin jiki wanda samfurin, a ƙarƙashin yanayin dakin gwaje-gwaje, ke nuna raguwar layi wanda bai wuce iyaka da aka ƙayyade ba bayan gwajin zafin jiki mai zafi na awanni 24. Ana amfani da wannan zafin musamman don rarraba samfura da gano su kuma baya wakiltar zafin aiki na dogon lokaci da aka yarda da shi a aikace-aikacen gaske.

Zafin Amfani Mai Ci Gaba

Zafin amfani da ci gaba shine mafi mahimmancin ma'auni don zaɓar injiniya. Yana wakiltar mafi girman zafin jiki wanda samfurin zai iya kiyaye tsari mai ƙarfi da aiki a ƙarƙashin yanayin aiki na dogon lokaci. A mafi yawan lokuta, yawan zafin amfani da ci gaba yawanci yana ƙasa da kusan 150-200°C fiye da zafin rarrabuwa.

Zafin Iyaka

Yanayin zafin da za a iya iyakancewa shine kewayon da zare ke fara yin ɓarna sosai da kuma lalacewa cikin sauri. Bayan wannan lokacin, aikin kayan yana raguwa da sauri. Bai kamata a taɓa amfani da wannan zafin a matsayin tushen ƙirar injiniya ko zaɓin kayan ba.

Abubuwan da ke Shafar Aikin Zafin Jiki na Barguna na Zaren Yumbu

A ƙarƙashin yanayin aiki na gaske, ainihin juriyar zafin barguna na zare na yumbu yana shafar abubuwa da yawa, gami da abubuwan da ke cikin sinadarai, nau'in zare, da kwanciyar hankali na tsarin zafin jiki mai yawa.

Tasirin Sinadaran da Nau'in Zare

Matsayin zafin barguna na zare na yumbu galibi yana ƙayyade ne ta hanyar abubuwan da ke cikin alumina (Al₂O₃), silica (SiO₂), da kuma ko an gabatar da zirconia (ZrO₂):

• Matsayi na S (1260°C / 2300°F)
  Yawan sinadarin aluminum ≥ 44%. Ana amfani da shi sosai a aikace-aikacen rufin masana'antu na yau da kullun.
  Yanayin zafin amfani na yau da kullun: kimanin1050°C (1922°F).

• Ma'aunin HPS (1260°C / 2300°F)
  Bargon zare mai kauri mai tsafta tare da abubuwan da ke cikin ƙazanta waɗanda aka sarrafa ƙasa da 1%, suna ba da ingantaccen juriya ga crystallization da kuma ingantaccen kwanciyar hankali na sinadarai.
  Yanayin zafin amfani na yau da kullun: kimanin1100°C (2012°F), ya dace da aikace-aikace tare da buƙatun kwanciyar hankali na dogon lokaci.

• Bargon RCF na PUREWOOL (1260°C / 2300°F, 1430°C / 2600°F)
  An yi shi da kayan halitta masu tsabta da ƙarancin ƙazanta da kuma kamannin fari. A daidai wannan yanayin zafi, PUREWOOL yana ba da ingantaccen juriya ga girgizar zafi da aikin kariya.

• Matsakaici na HZ (1430°C / 2600°F)
  An ƙera shi da kusan kashi 15% na ZrO₂, wanda ke ƙara ƙarfin tsarin da juriya ga gurɓataccen abu a yanayin zafi mai yawa.
  Yanayin zafin amfani na yau da kullun: har zuwa1350°C (2462°F).

Zafin Zafi Mai Dacewa Don Tsarin Zare-zane daban-daban

• Jerin Bargo na RCF
  Yana aiki yadda ya kamata a cikin kewayon zafin jiki na kimanin1000–1400°C, yana ba da haɗin aiki da farashi mai kyau. Wannan jerin yana ɗaya daga cikin samfuran zare da aka fi amfani da su a cikin rufin tanderun masana'antu.

• Jerin Bargo na PCW
  Tare da kyakkyawan kwanciyar hankali na tsarin, barguna na PCW na iya kiyaye ingantaccen aiki a cikin yanayin zafi mai zafi wanda ke gabatowa ko wucewa.1500°C (2732°F)Sun dace da yankunan da ke da yanayin zafi mai tsanani ko aikace-aikacen da ke buƙatar tsawon rai na aiki.

• Jerin Bargo na LBP
  Yana rufe matakan zafin jiki na1200°C (2192°F)kuma1300°C (2372°F)An tsara barguna na LBP don aikace-aikacen matsakaici zuwa zafi mai yawa. Suna ba da ingantaccen aikin kariya yayin da suke bin ƙa'idodin kiwon lafiya da muhalli masu tsauri, wanda hakan ya sa suka zama madadin RCF a cikin muhalli masu aminci da ƙa'idoji.

Babu amsar da ta dace ga tambayar,"Menene juriyar zafin bargon zare na yumbu?"
A fannin injiniyanci, zaɓin kayan aiki ya kamata ya dogara ne kawai akanzafin amfani akai-akaiAbin dogarobargon zare na yumbuZaɓin ba game da zaɓar mafi girman ƙimar zafin jiki ba ne, amma game da zaɓar kayan da za su iya kiyaye aiki mai ɗorewa a cikin dogon lokaci a ƙarƙashin yanayin aiki na ainihi.