Yanayin Heat a Pottery

Lokacin da tukunyar tukwane da kayan yumbura, zamu yi la'akari da yanayin zazzabi. Wannan abu ne guda ɗaya, duk da haka, yana cikin maturing wani yumbu jiki da kuma glazes. Ayyukan zafi shine ainihin haƙiƙa ... karɓar zafi daga yanayin ciki na kiln zuwa cikin tukunya a ciki.

• 01 na 04

  Ƙayyadaddun ƙwayar zafin jiki kawai

  Shin, kin san cewa a yayin da gishiri ya narke, yawan zafin jiki ba zai wuce sama da zafin jiki ba har sai dukkanin sunadarai sun zama sunyi hasara? Ko ta yaya yanayin zafi ya fi zafi, har sai dukkanin ƙwayoyin sun narkewa, gilashin kanta ba zai iya tafiya sama da wannan batun narkewa ba.

  Wannan yana nufin bambanci tsakanin yanayin yanayi da kuma yawan zazzabi na tukunya kawai yana haifar da yadda saurin gishiri ya narke. Kamar yadda kake gani, zafin jiki mai zafi (na yanayi na kiln) ba shine hanya mafi kyau don yin hukunci ko an yi kaya ko a'a ba. Temperatuwar babbar ma'ana ce, amma ba kadai ba.

  Sabbin kilns suna ba da karfin sarrafawa a kan fararwarka kuma zaka iya shirya shirye-shiryenka don kasancewa mai kyau kamar yadda zai yiwu, riƙe da zafi da yanayin zafi da kuma kwantar da hankali a kiln a hankali. Yayin da ka fahimci kiln wannan tsari zai zama sauki da sauki. Wadannan nau'ikan lantarki sune mafi dacewa, kamar yadda muka tattauna a kasa, zuwa samfurin lantarki, ba rage ba.

• 02 na 04

  Lokaci

  A wasu shirye-shiryen firgita, rampan yana da jinkirin cewa ba a buƙatar saƙa ba. Kamar yadda muka gani, ƙwaƙwalwar ajiyar ciki zai iya isa yawan zafin jiki da ake so kafin injin. Saboda haka, masu tukwane masu yawa suna kara lokaci zuwa ƙarewa har zuwa ƙarshen kwancen ƙaddamar su. Wannan lokacin da zazzabi yana ba da izinin gishiri ya cika sosai.

  Zaman yanayi, wanda kuma za'a iya san shi azaman riƙewa ko lokacin zama shine lokacin da zazzabi a cikin kiln an gudanar da shi na tsawon lokaci. Za'a iya tsara wannan zafin jiki a kowane lokaci a lokacin da aka harbe shi, amma an fi yawanta shi a saman zafin jiki na firingi. Amfani da firgitawa shine cewa yana ba da damar samun damar narke da kyau kuma a hankali, da rage yiwuwar kowane rashin daidaituwa. Idan kun kasance bayan bazawar haske ba sai ku ƙara a cikin lokacin jiƙa da ku firing. Babu wani zafin jiki wanda lokaci yayi amfani da shi mafi kyau, kamar yadda bambancin gishiri ya narke a yanayi daban-daban. Yi nazarin gwaninku kafin ku fara firgita, saboda haka za ku iya tsarawa a cikin lokaci. Hakanan kuma lokacin kwanciyar hankali za ka iya gabatar da jinkirin kwantar da hankali ga kilnka, don rage bayyanar holing.

  Ƙungiyoyin kwakwalwa suna da bambancin iyaka. Saboda haka, lokaci mai tsayi bai zama mahimmanci ga jiki mai laushi yayi girma ba, amma a wasu lokuta zai iya samun sakamako. Yawanci, ana ganin wannan lokacin da jikin yumbura ya kasance a cikin babban tayi na iyakarta. Irin wannan faruwar zai iya haifar da yumbu don ƙusarwa, yatsata, da kuma raguwa.

• 03 na 04

  Kiln Atmosphere

  Kiln yanayi zai iya samun tasiri mai karfi a kan yadda sauri gilashi da kuma yumbura girma, musamman wadanda dauke da baƙin ƙarfe. Yayinda iska mai hadarin oxygen ya cire iskar oxygen daga yumbu da gilashi, an yi amfani da kwayoyin karfe yayin da suke rasa hawan oxygen. Wannan ya sa mutane da yawa daga cikin su ya fi karfi.

  A kan magana, raguwa ƙananan hanya ne, har zuwa zazzabi. Ba ya ƙone man fetur gaba ɗaya, kuma raguwa mai raguwa yana iya rage yawan zafin jiki na ciki a cikin kiln.

• 04 04

  Mene Ne Rushewar Ƙarawa?

  Hakanan, yanayin yanayi shine adadin oxygen da yake samuwa a cikin yanayi na kiln. Lokacin da yaduwar isashshen oxygen ya kasance, yawancin man fetur ya ƙone, ana kiran wannan yanayin yanayin samin iska da kuma bambanci, idan akwai isasshen iskar oxygen, an kira shi raguwa . Don haka, me ya sa ake kashewa? Da kyau, zai iya haifar da wasu manyan abubuwa masu ban mamaki. A cikin rage yawan gases kamar yadda carbon, hydrogen da CO suka fi zama. Wannan canji a cikin iskar gas yana nufin canji mai yawa a cikin launuka masu haske. Alal misali, a rage yawan ƙarfin wutar konewa ja da kuma hadawan abu da iskar shaka yana ƙone kore.