Chromium Jirgin Fata, CrB2

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Chromium Jirgin Fata, CrB2

lalata-resistant, thermal buga. An yi amfani dashi azaman mai lalacewa, mai hana yaduwar yanayin zafi da zafi na nukiliya a cikin mai samar da wutar lantarki mai amfani da kwayar halitta, mai amfani da lantarki na lantarki


Bayanin Samfura

Tambayoyi

Alamar samfur

>> Gabatarwar Samfura

Tsarin kwayoyin halitta  Crb2
Lambar CAS  12006-80-3
Halaye  foda karfe mai launin toka
Maimaita narkewa  1300C
Yawa  7.63 g / cm3
Yana amfani da  lalata-resistant, thermal buga. An yi amfani dashi azaman mai lalacewa, mai hana yaduwar yanayin zafi da zafin nukiliya a cikin tsaka-tsakin tsinkayen wutar lantarki, mai amfani da lantarki na lantarki

COA

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COA

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COA
COA

>> Girman Takaddun shaida

COA

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Sunan Samfur: chromium diboride
Tsarin kwayoyin chromium diboride: b2cr
Nauyin kwayoyin halitta: 73.62
Sunan Ingilishi: chromium boride (CrB2) EINECS: 234-499-3
Yawa: 5.15 laƙabin Ingilishi: chromium diboride; monochromium diboride
Maɓallin filashi: wurin narkewa: 1550oc
Ana amfani da shi don ƙera babban zafin lantarki mai gudanar da wutar lantarki da kayan haɗin gwal.
Chromium diboride (CRB_ 2) Shafin yana da maɓallin narkewa, tsananin wuya, ƙarfin juriya da juriya ta lalata. Bugu da kari, yana da kyakyawan inertia na sinadarai kuma ba sauki a hada shi da karfe. A matsayin babbar kariya mai kariya, ana sa ran saduwa da waɗannan buƙatun sarrafa guntu na musamman. Wannan takaddar ta dogara ne akan CRB na cikin gida da na waje_ Ci gaban bincike da ci gaban haɓaka na manyan muryoyi suna mai da hankali ne akan ɗab'in CRB ta haɗin fasahar PVD_ An yi nazari kan shiri, tsari da kaddarorin abin da aka shafa. Sakamakon yana da mahimmancin kimiyya da darajar aikace-aikace. Da fari dai, an saka CRB ta babban ƙarfin magnetron sputtering (hipims) _
Haɗakarwar, tsarin lokaci da kayan aikin injiniya na suturar sun kasance halaye.
Hankali da halin lalacewa na sutura a cikin yanayin gwaji daban-daban (ɓarkewar bushewa, ruwa mai narkewa da ruwan teku). Sakamakon ya nuna cewa: CRB_ Shafin ya nuna (101) fifikon fuskantarwa, kuma babban tsarin shine CRB_ Matsayin atomic na B / Cr shine 1.76, taurin da na roba yanayin sune 26.9 ± 1.0 GPA da 306.7 ± 6.0 GPA, bi da bi. Cowararriyar haɓakar haɓakar murfin a cikin ɓarkewar bushewa, ruwa mai narkewa da ruwan teku sune 0.75, 0.26 da 0.22, bi da bi. Farancin rikici na murfin a cikin ruɓaɓɓen ruwa da kuma yanayin ruwan teku ya ragu ƙwarai saboda iyakanin lubrication na ruwan da aka watsa da ruwan teku. Tsarin gogayya da suturar sutura a cikin ɓarkewar bushewa da yanayin ruwa mai gurɓataccen lalacewa ne, yayin da a cikin yanayin ruwan teku, haɓakar haɓakar haɓakar suturar ta ragu a bayyane, Yana da tasirin haɗin haɗin lalacewar lalacewa da lalacewar abrasive.

Abu na biyu, a matsayin kwatankwaci tare da ɗimbin hanu, ana samun CRB ta DC magnetron ta zuga ta hanyar daidaita makasudin tushe mai nisa_ Matsayin atomic na B / Cr ya bambanta daga 1.9 zuwa 2.0 tare da canjin yanayin zafin jiki. Sakamakon XPS ya nuna cewa har yanzu murfin yana tattare da CRB_ Sakamakon ya nuna cewa ƙarancin abin da ya shafi shafi ƙarami ne kuma RQ yana tsakanin
1.11 nm da 1.95 nm Tare da karuwar yanayin zafin jiki, karfin yaduwa na atom da ke talla a jikin daskararren ya inganta, kuma karuwar murfin a hankali tana karuwa, kuma tsarin lu'ulu'u yana canzawa daga hadewar (101) da (001) zuwa (001) daidaitawar da aka fi so; ilimin halittar juna na murfin murfin ya canza daga tsarin fibrous mai rauni zuwa tsarin shafi mara nauyi (kimanin 50 nm a diamita),
A ƙarshe, ya canza zuwa tsarin ginshiƙan Nano mai ɗimbin yawa (kimanin 4 ~ 7 nm a diamita).
Tare da karuwar yanayin zafin jiki, kayan aikin inji na rufin suna inganta a bayyane. Lokacin da yanayin zafin jiki ya fi 300 ℃, superhard CRB tare da taurin da ya fi 40 GPA iya samu_ Lokacin da zazzabin zafin ya kai 400 ℃, taurin labulen ya kai 50.7 ± 2 GPa. Juyin halittar microstructure da kayan masarufi tare da yawan zafin jiki da ake sanyawa ana danganta su ne zuwa (001) da aka fi so da kuma cushewar microstructure saboda ingantaccen yaduwar kwayoyin halitta. A ƙarshe, CRBs tare da (101) da (001) waɗanda aka fi so su ma an yi nazarin su_ An gwada kwanciyar hankali na zafin murfin, kuma an gwada maƙallan CRB da CRB a yanayin zafin jiki daban-daban_ Abubuwan kayan lantarki masu mahimmanci na 2 shafi a 3.5 wt.%
An bincika bayani na NaCl. Sakamakon ya nuna cewa: (101) an fi son daidaitawar CRB_ Wani sabon zamani an kirkireshi a 1000 ℃, kuma (001) ya fi dacewa kan CRB_ Sakamakon ya nuna cewa rufin (101) mai daidaiton CRB yana ba da cikakkiyar daidaituwar yanayin zafin jiki saboda ( 101) fifikon fuskantar CRB_ Sakamakon ya nuna cewa murfin CRB yana da ƙarfi sama da kuzari da lankwasa ƙarfi fiye da CRB_ Thearfin lalata murfin CRb-2 ya fi na carbide na siminti, amma yawan lalata halin yanzu ya ragu da kusan umarni biyu na murfin magnitude_ 2 na iya kare tasirin carbide na cimin yadda ya kamata.

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