Zambiri Zonse Zokhudza Kodi Sintering ndi Chiyani?

Kodi Sintering ndi chiyani?

Zosavuta Kunena, Sintering ndi njira yochizira kutentha yomwe imagwiritsidwa ntchito posintha zinthu zaufa kukhala zolimba, osafikira kusungunuka kwathunthu.

Kusinthaku kumachitika potenthetsa zinthu zomwe zili pansi pa malo osungunuka mpaka tinthu tating'ono timagwirizana. Sintering imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana monga zitsulo, zoumba, komanso kusindikiza kwa 3D kuti apange zinthu zolimba komanso zolimba kuchokera ku ufa.

Koma kodi mumadziwa kuti lingaliro la kuimba si lamakono?

M'malo mwake, zoyambira zake zitha kuyambika cha m'ma 3000 BC, pomwe zidagwiritsidwa ntchito popanga zinthu zadothi. Kumvetsetsa kwamakono kwa sayansi ndi kufalikira kwa mafakitale a sintering, komabe, zakula makamaka m'zaka zapitazi.

Monga momwe mungaganizire, sintering imakhala ndi gawo lofunikira pamapulogalamu ambiri. Kuchokera pakupanga ma spark plugs, ma capacitor a ceramic, ndi korona wamano mpaka kupanga zida zapamwamba zamafakitale, sintering yatsimikizira kukhala yofunika kwambiri.

Mitundu Yosiyanasiyana ya Sintering

Tsopano popeza mukudziwa chomwe sintering ndi momwe imagwiritsidwira ntchito m'mbiri yonse, ndi nthawi yoti ndikudziwitseni zamitundu yosiyanasiyana ya kuimba. Inde, pali njira zambiri zochitira sinter!

Poyambandi solid-state sintering. Mtundu uwu ndi wofunikira kwambiri komanso wodziwika bwino wa sintering. Apa, zinthu zaufa zimatenthedwa mpaka tinthu tating'ono tiyamba kugwirizana. Zili ngati momwe mungamangire bwalo la mchenga - njere za mchenga zimamatirana, koma sizisungunuka.

Ena,tili ndi sintering yamadzimadzi. Mtundu uwu umaphatikizapo kusakaniza kwa zipangizo ziwiri kapena kuposerapo. Kusakaniza kumatenthedwa mpaka chimodzi mwazinthuzo chimasungunuka ndikupanga gawo lamadzimadzi, lomwe limathandiza kugwirizanitsa tinthu tating'ono tomwe tatsalira pamodzi.

Chachitatupa mndandanda ndi adamulowetsa sintering. Pankhaniyi, chowonjezera kapena chothandizira chimagwiritsidwa ntchito kufulumizitsa ndondomeko ya sintering. Ganizirani izi ngati kuwonjezera yisiti ku mtanda - zimapangitsa kuti mkatewo ukhale wofulumira.

Pomaliza,pali njira zothandizira kupanikizika monga kukanikiza kotentha ndi spark sintering plasma. Monga momwe dzinalo likusonyezera, njirazi zimagwiritsa ntchito kukakamiza pamodzi ndi kutentha kuti zifulumizitse ndondomeko ya sintering ndikupanga zipangizo zowonda.

Mtundu uliwonse wa sintering uli ndi ubwino wake ndipo umagwiritsidwa ntchito pazinthu zinazake. Chosankhacho chimadalira zinthu monga zinthu zomwe zikugwiritsidwa ntchito, zinthu zomwe zimafunidwa za chinthu chomaliza, ndi zida zomwe zilipo. M'magawo akubwerawa, tifufuza mozama muzinthu zinazake za sintered komanso kachitidwe ka sintering.

Khalani tcheru kuti mumve zambiri zosangalatsa za dziko la sintering!

Kuwona Sintered Materials

Kenako Kenako tiyenera kumvetsa mitundu yosiyanasiyana ya sintered zipangizo.

Ine ndikutsimikiza pofika pano, inu kupeza lendewera wa ndondomeko sintering. Koma bwanji ponena za zotulukapo za njira yochititsa chidwi imeneyi?

Chimodzi mwazinthu zomwe zimapangidwira kwambiri ndi sintered zitsulo.Njirayi imaphatikizapo kugwirizanitsa ndi kupanga ufa wachitsulo pansi pa kutentha, kuwusandutsa chitsulo cholimba. Chotsatira chake ndi chitsulo chokhala ndi chiyero chapamwamba komanso chofanana. Chitsulo cha Sintered chikhoza kupezeka m'mafakitale osiyanasiyana, kuchokera kuzinthu zamagalimoto kupita ku implants zachipatala, chifukwa cha kulimba kwake komanso kusinthasintha.

Ena,tiyeni tikambirane za sintered mwala. Mwala wopangidwa ndi sintered umapangidwa pogwiritsa ntchito kutentha ndi kukakamiza kwa mchere wachilengedwe, dongo, ndi feldspar, kupanga zinthu zomwe sizingawonongeke. Nthawi zambiri mumapeza miyala ya sintered m'malo omwe mumakhala anthu ambiri monga ma khitchini kapena matailosi aku bafa, komwe kulimba ndikofunikira.

Sintering imagwiranso ntchito yofunika kwambiri muzoumba. Njirayi imatithandiza kuumba zoumba mumitundu yambiri yokhala ndi ma geometries ovuta zomwe sizikanatheka ndi njira zachikhalidwe. Kuchokera ku matailosi a ceramic mpaka mbiya, sintering yasintha kwambiri gawoli.

Pomaliza,pali zida zina zapadera za sintered zomwe mungafufuze. Izi zimachokera ku zida zophatikizika, monga zitsulo-ceramic composites, kupita ku zida zogwirira ntchito, pomwe kapangidwe kake kamasiyana mosiyanasiyana.

Njira ya Sintering Yafotokozedwa

Tiyeni tipitirire kuchokera kuzinthu kupita ku ndondomeko yokha. Kodi sinter imachitika bwanji, ndipo ndi magawo otani omwe amaphatikizidwa?

Poyambira, masitepe a pre-sintering ndi ofunikira. Zopangira, kaya ndi zitsulo, ceramic, kapena ayi, ziyenera kukonzedwa mu mawonekedwe a ufa. Ufawu umapangidwanso kuti ukhale wofunidwa, nthawi zambiri kudzera munjira yotchedwa 'green compacting'.

Kenako pakubwera mtima wa opareshoni: njira ya sintering. Ufa woumbidwa umatenthedwa m’malo olamuliridwa, nthaŵi zambiri m’ng’anjo, ku kutentha kochepera pa malo ake osungunuka. Izi zimathandiza kuti tinthu ting'onoting'ono tigwirizane popanda kusungunuka kwathunthu, kupanga misa yolimba.

Njira yopangira sintering ikatha, zinthuzo zimalowa mugawo lozizirira. Izi ziyenera kuyang'aniridwa mosamala, chifukwa kuzizira kofulumira kungayambitse kusweka kapena zovuta zina. Kuzizira pang'onopang'ono kumapangitsa kuti zinthuzo zikhazikike ndikukhazikika bwino.

Pomaliza,sitingathe kuiwala zomwe zimakhudza sintering, makamaka, kutentha ndi nthawi. Kutentha kwa sintering kuyenera kukhala kokwera kokwanira kuti kumathandizira kulumikizana koma kutsika kwambiri kuti zisasungunuke. Momwemonso, nthawi yomwe zinthuzo zimathera pakupanga sintering zitha kukhudza kwambiri zinthu zomaliza.

Mu gawo lotsatira la saga yathu ya sintering, tidzamira mozama muzosefera za sintered ndikuwulula zomwe zimafunikira pakuyimba. Choncho khalani maso!

Zosefera za Sintered: Chiwonetsero cha Ntchito

Takambirana kale zoyambira za sintering, tasanthula zida zosiyanasiyana zojambulidwa, ndikukambirana mwatsatanetsatane za sintering.

Tsopano, tiyeni tiyang'ane pa antchito yeniyeni ya zosefera sintering.

Mwina imodzi mwazinthu zodziwika bwino za sintering ndi kupanga zosefera zachitsulo zokhala ndi sintered. Zosefera izi zimapangidwa kuchokera ku ufa wachitsulo, wophatikizika ndikuwunikiridwa kuti apange porous koma wamphamvu fyuluta sing'anga. Kukula kwa pore kwa zosefera izi kumatha kuyendetsedwa bwino, kumapereka kuthekera kwapamwamba kosefera poyerekeza ndi zosefera zachikhalidwe zolukidwa ndi waya.

Mutha kudabwa,chifukwa ntchitozosefera zitsulo za sintered?Yankho lagona pa kulimba kwawo ndi kukana kutentha kwakukulu ndi zipsinjo. Zinthu izi zimapangitsa kuti zosefera zazitsulo za sintered zikhale zofunika kwambiri m'mafakitale kuyambira mankhwala mpaka mafuta a petrochemicals komanso kupanga zakudya ndi zakumwa.

Ntchito ina yochititsa chidwi ya sintering mu kusefera ndi fyuluta yagalasi ya sintered. Izi zimapangidwa mwa kusakaniza tinthu tating'ono tagalasi pa kutentha kwakukulu. Nthawi zambiri amagwiritsidwa ntchito m'ma labotale posefera ndi kugawa gasi chifukwa cha kukana kwawo kwamankhwala ambiri komanso kukula kwake kwa pore.

Zosefera za Sintered, kaya zikhale zitsulo kapena galasi, zimapereka chitsanzo cha kuthekera kwa sintering popanga zida zapamwamba zomwe zili ndi zabwino zake.

Kumvetsetsa Mikhalidwe ya Sintering

Tsopano, tiyeni titembenuzire chidwi chathu ku mikhalidwe ya sintering. Tikamakamba za njira ya sintering, mikhalidwe yomwe imachitikira ndiyofunikira kwambiri.

Choyamba,kutentha kwa sintering kumagwira ntchito yofunika kwambiri pakuchita. Iyenera kukhala pansi pa malo osungunuka a zinthu, kuti tinthu tating'ono tigwirizane popanda kusungunuka kwathunthu. Ndilosavuta lomwe lingakhudze kwambiri mtundu wa chinthu chomaliza.

Ndiyepali nkhani ya gasi. Mwina mumadzifunsa kuti, "Kodi ndi gasi wanji womwe umagwiritsidwa ntchito powotcha?" Childs, sintering ikuchitika mu mlengalenga ankalamulira kupewa zochita osafunika pakati zinthu ndi mpweya wozungulira. Nthawi zambiri, mipweya ya inert monga nayitrogeni kapena argon imagwiritsidwa ntchito, ngakhale kusankha kwapadera kumadalira zinthu zomwe zikuwotchedwa.

Kupanikizika kumabweranso, makamaka mu njira zothandizira kupanikizika. Kuponderezana kwakukulu kungapangitse kuti zinthu zikhale zolimba kwambiri, chifukwa tinthu tating'onoting'ono timakakamizika kuyandikana.

Pomaliza,zinthu zakuthupi ndi zida zomwe zimagwiritsidwa ntchito ndizofunikira kwambiri. Zida zosiyanasiyana zimachita mosiyana ndi kutentha ndi kupanikizika, zomwe zimafuna mikhalidwe yosiyana kuti isungunuke bwino. Mtundu wa ng'anjo kapena sintering makina angakhudzenso ndondomekoyi, monga momwe tidzakambirana m'gawo lotsatira.

Khalani tcheru pamene tikufufuza zambiri za makina opangira sintering ndi gawo lawo pakupanga sintering!

Zida za Sintering: Kuyang'ana Makina Opangira Sintering

Mpaka pano, takhala tikufufuza mozama za sintering, sintered materials, ndi ndondomeko yokha.

Tsopano tiyeni tiwonetsere wosewera wamkulu yemwe ali kumbuyo kwamasewera:makina osindikizira.

Makina a sintering ndiye mwala wapangodya wa njira yopangira sintering. Koma kodi makina a sintering ndi chiyani kwenikweni? Kwenikweni, ndi ng'anjo yapadera yopangidwa kuti igwire ntchito yowotchera pansi pamikhalidwe yoyendetsedwa bwino.

Palimitundu yosiyanasiyana ya makina sinteringzilipo, iliyonse yoyenera zipangizo zosiyanasiyana ndi njira sintering.

1. Izi zikuphatikizapoMakina opitilira sintering(zogwiritsidwa ntchito m'mafakitale omwe amafunikira kupanga kwakukulu),

2.Makina opangira ma batch(zofala kwambiri m'ma lab kapena pakupanga kocheperako), ndi

3. Makina opangira utumwi(zomwe zimaloleza kuzizira mu mpweya wopanda mpweya kapena mpweya woyendetsedwa).

Momwe makina a sintering amagwirira ntchito ndizowongoka koma zosangalatsa. Imatenthetsa zinthu za ufa mofanana ndi kutentha kwina, imasunga kutentha kumeneku kwa nthawi yokonzedweratu, ndiyeno imaziziritsa zinthuzo pang'onopang'ono, ndikuwonetsetsa kuti mpweya wamkati ukuyendetsedwa.

Kusankha makina ojambulira oyenera ndikofunikira ndipo zimatengera zinthu zingapo, kuphatikiza zinthu zomwe zimayenera kusiyidwa, kutulutsa komwe mukufuna, komanso momwe sintering imafunikira.

Kufunika ndi Tsogolo la Sintering

Tsopano ndi nthawi yolingalira za chithunzi chachikulu:Zomwe sintering imagwiritsidwa ntchito,ndichifukwa chake ndi chofunikira?

Themapulogalamuza sintering ndi zazikulu ndi zosiyanasiyana. Amagwiritsidwa ntchito popanga zinthu zolimba, zolimba zokhala ndi ma geometri ovuta, kuchokera kuzinthu zamafakitale kupita kuzinthu zogula. Sintering imatilola kupanga zida zapamwamba kwambiri, monga zitsulo zopindika ndi zosefera, zokhala ndi zinthu zapadera monga kukula kwa pore komanso kukhazikika kokhazikika.

Komatsogolo la sintering likuwoneka bwanji?Zomwe zikubwera zikuwonetsa kuwonjezeka kwa kugwiritsa ntchito njira zothandizira kupanikizika popanga zinthu zapamwamba. Kupanga makina opangira sintering komanso kugwiritsa ntchito sintering popanga zowonjezera (kusindikiza kwa 3D) ndizinthu zina zolimbikitsa.

Ngakhale izi zapita patsogolo, sintering imakumananso ndi zovuta, monga kuwongolera kwambiri njirayo komanso kuchepetsa kugwiritsa ntchito mphamvu. Kuyang'ana izi kudzakhala chinsinsi chotsegula kuthekera konse kwa kuimba m'tsogolomu.

Pomaliza:Sintering, ngakhale njira yovuta, imakhala ndi zotsatira zazikulu pamafakitale osiyanasiyana. Kuthekera kwake kusintha ufa wosavuta kukhala zinthu zolimba, zovuta zimapangitsa kuti ikhale yofunikira kwambiri. Pamene tikuyembekezera zam'tsogolo, kusinthika ndi kukonzanso kwa sintering kumalonjeza mwayi wosangalatsa wa zipangizo zatsopano ndi ntchito.

FAQ

1. Kodi sintering ndi chiyani?

Sintering ndi njira yochizira kutentha yomwe imasintha zinthu zaufa kukhala zolimba popanda kusungunuka kwathunthu. Kumaphatikizapo kutentha zinthu za ufa pansi pa malo ake osungunuka mpaka tinthu tating'ono tiyambe kumamatirana, kupanga misa yolimba. Njirayi imagwiritsidwa ntchito m'mafakitale osiyanasiyana monga zitsulo, zoumba, ndi zopangira zowonjezera kuti apange zinthu zolimba komanso zolimba kuchokera ku ufa.

2. Kodi sinter imagwira ntchito bwanji?

Kutentha kumaphatikizapo magawo atatu: kutentha, kugwira, ndi kuziziritsa. Zomwe zimapangidwa ndi ufa zimayamba kuphatikizidwa ndikupangidwa kukhala mawonekedwe ofunikira, kenaka zimatenthedwa m'malo olamulidwa mpaka kutentha kumunsi kwa malo ake osungunuka. Kutentha kumapangitsa kuti tinthu ting'onoting'ono tigwirizane, kupanga misa yolimba. Pambuyo posunga kutentha kumeneku kwa nthawi yokonzedweratu, zinthuzo zimazizidwa pang'onopang'ono kuti zisawonongeke kapena zovuta zina.

3. Ndi zinthu ziti zomwe zingatenthedwe?

Zida zambiri zimatha kutenthedwa, kuphatikiza zitsulo, zoumba, mapulasitiki, ndi magalasi. Zida zosiyanasiyana zimafunikira mikhalidwe yosiyana ya sintering, monga kutentha, kuthamanga, ndi mpweya. Zida zina zimatha kusinthidwa mwachindunji, pomwe zina zimafunikira zowonjezera kapena zomangira kuti zithandizire ntchitoyi.

4. Kodi fyuluta ya sintered ndi chiyani, ndipo n’chifukwa chiyani imagwiritsidwa ntchito?

Fyuluta ya sintered ndi mtundu wa fyuluta yomwe imapangidwa kudzera munjira ya sintering. Itha kupangidwa kuchokera ku chitsulo, ceramic, kapena galasi ufa, wophatikizidwa ndi kutenthedwa mpaka tinthu tating'ono tigwirizane. Kukula kwa pore kwa zosefera izi kumatha kuyendetsedwa bwino, kupereka kuthekera kwapamwamba kosefera poyerekeza ndi zosefera zachikhalidwe. Zosefera za Sintered ndizokhazikika komanso zosagwirizana ndi kutentha kwambiri komanso kupanikizika, zomwe zimapangitsa kuti zikhale zothandiza m'mafakitale osiyanasiyana monga mankhwala, mafuta a petrochemicals, kupanga zakudya ndi zakumwa.

5. Kodi sintering imagwiritsidwa ntchito bwanji popanga zowonjezera (kusindikiza kwa 3D)?

Pakupanga zowonjezera, kapena kusindikiza kwa 3D, sintering imagwiritsidwa ntchito m'njira monga selective laser sintering (SLS) ndi direct metal laser sintering (DMLS). Njirazi zimaphatikizapo kugwiritsa ntchito laser kuti sinter zinthu za ufa wosanjikiza ndi wosanjikiza, kumanga chinthu chomwe mukufuna cha 3D. Kutha kuwongolera njira ya sintering kumapangitsa kuti zitheke kupanga mawonekedwe ovuta ndi ma geometries omwe angakhale ovuta kapena osatheka kukwaniritsa ndi njira zachikhalidwe zopangira.

6. Kodi tsogolo la kuimba ndi lotani?

Tsogolo la sintering likuwoneka bwino, ndi kupita patsogolo kwaukadaulo kumatsegula mwayi watsopano. Mwachitsanzo, njira zopangira sintering zothandizidwa ndi kukakamiza zikuchulukirachulukira popanga zida zapamwamba. Kupanga makina ogwira ntchito bwino komanso olondola, komanso kugwiritsa ntchito sintering popanga zowonjezera, ndizinthu zina zolimbikitsa. Komabe, zovuta monga kukwaniritsa kulamulira kwakukulu pa ndondomekoyi ndi kuchepetsa mphamvu zogwiritsira ntchito mphamvu ziyenera kuyang'aniridwa kuti mutsegule bwino zomwe zingatheke.

Kaya mukuyang'ana kugwiritsa ntchito njira zopangira sintering pazochita zanu kapena kufunafuna zida zapamwamba kwambiri zamapulojekiti anu, HENGKO ali pano kuti akuthandizeni. Gulu lathu la akatswiri ndi okonzeka kupereka upangiri, mayankho, ndi ntchito zogwirizana ndi zosowa zanu zapadera.

Musazengereze kutifikira kuti mudziwe zambiri za njira yosangalatsa ya sintering kapena kufufuza zinthu zathu zambirimbiri ndi ntchito. Mwachidule titumizireni imelo paka@hengko.com, ndipo tidzalumikizana posachedwa. tadzipereka kukuthandizani kusintha kuthekera kwa ufa kukhala chipambano cholimba!