Babban zafin jiki da juriya mai tsayi Tungsten dunƙule bakin ciki
Bolts da ake amfani da su a aikace-aikacen zafin jiki mai girma suna buƙatar samun damar jure yanayin zafi ba tare da rasa kayan aikin injiniya ko amincin su ba.An ƙera nau'ikan kusoshi da maɗaurai da yawa don yanayin yanayin zafi, gami da:
1. Alloy Karfe Bolts: Bolts da aka yi da ƙarfe mai ƙarfe, irin su ASTM A193 Grade B7, sun dace da aikace-aikacen zafin jiki.Wadannan kusoshi zafi ne da ake bi da su don samar da ƙarfi mai kyau da juriya mai raɗaɗi a yanayin zafi mai girma.
2. Bakin karfe bolts: Wasu maki na bakin karfe, kamar 310 bakin karfe, an san su da juriya ga yanayin zafi.Wadannan kusoshi suna da kyakkyawan juriya na iskar shaka kuma suna riƙe ƙarfin su a yanayin zafi mai girma.
3. Inconel bolts: Inconel iyali ne na nickel-chromium-based high-temperature alloys da aka sani da kyakkyawan yanayin zafin jiki da kuma juriya na oxidation.Inconel bolts sun dace don amfani a cikin matsanancin yanayin zafi kamar injin turbin gas da aikace-aikacen sararin samaniya.
4. Titanium bolts: Titanium da titanium alloy bolts suna da nauyi a nauyi kuma suna da ƙarfi sosai a yanayin zafi.Ana amfani da su da yawa a sararin samaniya da aikace-aikacen sarrafa sinadarai inda ake buƙatar juriyar zafin jiki.
5. Ƙarfe mai ɗorewa: Ƙaƙƙarfan ƙarfe da aka yi da ƙananan ƙarfe irin su molybdenum, tantalum, da niobium sun dace da yanayin zafi mai tsanani, irin su vacuum tanderu da masana'antu na semiconductor.
Lokacin zabar kusoshi don aikace-aikacen zafin jiki mai girma, yana da mahimmanci a yi la'akari da takamaiman kewayon zafin jiki, yanayin muhalli da buƙatun inji na aikace-aikacen.Bugu da ƙari, ingantaccen shigarwa da la'akari da ƙira na kayan ɗamara suna da mahimmanci don tabbatar da aiki na dogon lokaci da amincin kusoshi a cikin yanayin zafi mai ƙarfi.
Ee, zafin jiki na iya tasiri sosai ga ƙarfin juzu'in abu.A yawancin lokuta, ƙarfin ƙarfin kayan yana raguwa yayin da zafin jiki ya karu.Wannan al'amari yana bayyana musamman a cikin karafa da gami, amma kuma ya shafi wasu kayan.
Tasirin zafin jiki akan ƙarfin ƙarfi yana tasiri da abubuwa daban-daban, gami da abubuwan da ke tattare da kayan, microstructure, da kasancewar abubuwan haɗin gwiwa.Ga wasu mahimman abubuwan da ya kamata a yi la'akari:
1. Material Materials: Yawancin kayan ductile, irin su carbon karfe, rasa ƙarfin ƙarfi yayin da zafin jiki ya karu.Wannan ya faru ne saboda haɓakar motsi na ɓarna a cikin ƙwanƙwasa crystal na kayan a yanayin zafi mafi girma, wanda zai iya haifar da mafi girma ga nakasawa da rage ƙarfi.
2. Kayan karko: Wasu kayan, musamman wasu gami da tukwane, na iya nuna halaye masu rikitarwa tare da zafin jiki.Misali, wasu kayan da ba su da ƙarfi na iya samun haɓakar ƙarfin juzu'i a yanayin zafi mai tsayi saboda canje-canjen halayen karyewar kayan.
3. Haɗaɗɗen zafin jiki: Wasu ƙayyadaddun kayan zafi masu zafi, irin su waɗanda ake amfani da su a sararin samaniya da aikace-aikacen samar da wutar lantarki, an tsara su musamman don kiyaye ƙarfin ƙarfin su a yanayin zafi.An ƙera waɗannan allunan don tsayayya da laushi da kula da kayan aikin injin su a cikin yanayin zafi mai girma.
4. Creep: Baya ga samun tasiri kai tsaye akan ƙarfin ƙarfi, yanayin zafi kuma yana iya haifar da raɗaɗi, wanda shine nakasar kayan aiki a hankali.Creep na iya ƙara rage ingantaccen ƙarfin juzu'in kayan akan lokaci a yanayin zafi mai tsayi.
Yana da mahimmanci a lura cewa ƙayyadaddun hali na ƙaƙƙarfan ƙarfi na abu a matsayin aikin zafin jiki ya dogara da abun da ke ciki, sarrafawa, da aikace-aikacen da aka yi niyya.Lokacin zayyana abubuwan da za a yi amfani da su a cikin yanayin zafi mai zafi, yana da mahimmanci a yi la'akari da yuwuwar tasirin zafin jiki akan ƙarfin juzu'i na kayan da aka yi amfani da su.
A taƙaice, yayin da ƙarfin ƙarfin abu zai iya rinjayar zafin jiki, ainihin yanayin wannan tasirin ya dogara da kayan aiki da ƙayyadaddun kaddarorinsa.Fahimtar yadda kayan ke aiki a ƙarƙashin yanayin zafi daban-daban yana da mahimmanci don ingantaccen aiki na kayan aikin injiniyoyi a aikace-aikacen zafin jiki.
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