Isingeniso
Ezindaweni zokushisela{0}ezinembayo eziphezulu njengamandla amasha, indawo yokugcina amandla, kanye ne-aerospace, imishini yokushisela i-polymer diffusion isiphenduke isisetshenziswa esibalulekile sokuthuthukisa ukusebenza kahle kokukhiqiza kanye nekhwalithi yomkhiqizo. Kodwa-ke, lapho ubhekene nezinhlobo eziningi zemishini emakethe, ungayikhetha kanjani ngokwesayensi imodeli efanele ukuze ihambisane nezidingo zakho? Lesi sihloko sizonikeza isiqondiso esisebenzayo kusukela kubukhulu obuyinhloko.
I. Cacisa Izimpawu Zento Ebalulekile kanye Nezinjongo Zokushisela
- Ukukhetha i-polymerumshini wokushisela we-diffusionkudinga kuqala ukuhlaziya izici ezibonakalayo nezamakhemikhali zezinto ezizoshiselwa. Ngokwesibonelo:
- Izinto ezifanayo (njengethusi ukuya ethusi, i-aluminium kuya ku-aluminium) ngokuvamile zidinga ukuhlanzeka okuphezulu kwendawo futhi zidinga izinto zokusebenza ezingafaka ingcindezi efanayo;
- Uma ushisela izinto ezingafani (njengethusi kuya ku-aluminium), kunconywa ukuthi ukhethe amamodeli anemiklamo yongqimba ephakathi nendawo ukuze ugweme ukwakheka kwama-brittle intermetallic compounds.
- Ukwengeza, izinjongo zokushisela zidinga ukucaciswa: noma ngabe ukulandela-indawo yokushisela enkulu (njengokuxhunywa kwethusi okukhulu okuguquguqukayo kuziguquli zamandla) noma ukugxila ekusebenzeni kahle kokukhiqizwa kwenqwaba (okufana nokushiselwa kwebha yebhasi eguquguqukayo kumabhethri wamandla amasha).
II. Gxila Ekufanisweni kwepharamitha ye-Core
- Ukusebenza kwemishini yokushisela i-polymer diffusion kuncike ngqo kumapharamitha amathathu abalulekile:
- Ukulawula izinga lokushisa: Izinga lokushisa lokushisela ngokuvamile liyizikhathi ezingu-0.5-0.7 indawo yokuncibilika, futhi ukunemba kokulawula izinga lokushisa kufanele kukhethwe ngokusekelwe ekuzweleni okushisayo (± 10℃noma okungcono kulungile).
- Ukulungiswa kwengcindezi: Ukucindezela kufanele kube ngokwanele ukubangela ukuwohloka kwepulasitiki endaweni yokuxhumana, kodwa ukucindezela okukhulu kungabangela ukuwohloka kwezinto. Isibonelo, i-foil ye-copper flexible connection welding ngokuvamile idinga ingcindezi engaphansi kuka-80kN.
- Isikhathi sokushisela: Isikhathi esifushane{0}}ukusabalalisa izinga lokushisa okuphezulu{1}}kungehlisa ukwakheka kwe-void kodwa kudinga ukulungiswa ngokusekelwe ekugqimeni kwempahla. Isibonelo, isikhathi sokushisela ipuleti elincanyana esilawulwa phakathi kwemizuzwana engama-30-60 silungile.
III. Fanisa Izimo Zohlelo Lokusebenza kanye Nezinhlobo Zezisetshenziswa
- Izimboni ezihlukene zinezidingo ezihluke kakhulu zemishini yokushisela i-polymer diffusion:
- Inkambu yebhethri yamandla amasha: Okuhamba phambili kufanele kunikezwe imishini yokushisela ye-polymer evamile (efakwe amadivaysi okuphakelayo okuzenzakalelayo) ukuze kuhlangatshezwane nezidingo eziqhubekayo zokukhiqiza;
- I-Aerospace: Idinga i-vacuum noma iziko zokuvikela umoya ukuze kugwenywe ukungcoliswa kwe-oxidation.
IV. Ukuhlolwa Okuphelele Komkhiqizo kanye{1}}Nesevisi Yangemuva Kokuthengisa
- Ngesikhathi sokukhethwa, kuyadingeka ukuhlola idumela lemakethe namandla okusekelwa kwezobuchwepheshe emikhiqizo yemishini. Isibonelo, i-HAIFEI ineminyaka engu-16 yokukhiqiza kanye nesipiliyoni se-R&D kumishini yokushisela esakazwayo, enamayunithi angaphezu kuka-5,000 emakethe, enolwazi olucebile emkhakheni we-welding we-diffusion. Ukuqedela-ngemuva kokuqeqeshwa kokuthengisa kanye nokuhlinzekwa kwezingxenye ezisele kuphinde kuqinisekise{6}}ukusebenza okuzinzile kwesikhathi eside.
- Ukukhetha i-polymerumshini wokushisela we-diffusioniphrojekthi ehlelekile edinga ukucatshangelwa okuphelele kusuka kubukhulu obuningi njengezici zezinto ezibonakalayo, imingcele yenqubo, nezimo zohlelo lokusebenza. Ngokufanisa ngokunembile izidingo, amabhizinisi awakwazi nje ukuthuthukisa ikhwalithi yokushisela kodwa futhi anciphise kakhulu ukusetshenziswa kwamandla nezindleko. Kunconywa ukuthi kube-ukuxhumana okujulile nabakhiqizi abangochwepheshe ngaphambi kokwenza{3}}isinqumo, njengoba izixazululo ezenziwe ngokwezifiso zingafinyelela inani eliphezulu.
