Stellite 6 ndiyo alloy akawanda mainjiniya anosvika pekutanga kana a cobalt yakavakirwa alloy chikamu zvinoda kupfeka dziviriro. Iyo yakanyatso kunyorwa, inowanikwa zvakanyanya, uye inoita zvakanaka mukati mehupamhi hwakawanda hweabrasive uye inonamira kupfeka mamiriro. Asi "default" haina kufanana ne "optimal." Kana chikamu chikakundikana kwete kubva mukupwanya asi kubva mukuchovha bhasikoro, simbi-kusvika-simbi galling, kana kupfeka-kubatsirwa nekuora, stellite 21 chikamu inogona kunge iri sarudzo inodzivirirwa. Kuenzanisa uku kwakanyorerwa mainjiniya ekugadzira uye vanopfeka-chikamu vatengi vanofanirwa kunzwisisa sei maviri alloys anosiyana, kupi chimwe nechimwe ndeche, uye zvekusimbisa usati wazvipira kune zvakatemwa.
Nei Stellite 6 Iri Yechisikigo — uye Kana Stellite 21 Ndiyo Yakanaka Sarudzo
Stellite 6 inowana chimiro chayo chekusarudzika kuburikidza nekubatanidzwa kweiyo yakakwira kabhoni yemukati uye tungsten-yakavakirwa yakasimba-solution kusimbisa. Mhedzisiro yacho yakaoma, isingapfeki alloy inobata zvimedu zvinokurisa, kukukurwa kwevhu, uye kushatisa kwemechini kwakawanda patembiricha yakakura. Nzira dzayo dzekugadzira uye dzakaomarara dzakakura, uye ruzivo rwevatengesi rwakakwira. Kune zvigaro zvakawanda zvevharuvhu, maoko epombi, uye general kupfeka zvikamu, Stellite 6 inzvimbo inonzwisisika yekutanga.
Chiratidzo chekufunga nezveStellite 21 chinoonekwa kana iyo yakakura yekutadza michina inochinja. Kana chikamu chiri kutsemuka pasi pechinodzokororwa chemafuta ekutenderera, kana chisimbiso chepamusoro chiri kubata panguva yekutsvedza kwesimbi-kune-simbi, kana kana nharaunda yebasa ichibatanidza kupfeka nesvikiro rinoparadza, kuoma kwepamusoro kweStellite 6 kunogona kusagadzirisa dambudziko chairo. Stellite 21 inotengeserana kamuri-tembiricha kuoma kwekuomarara, kupisa kuneta kuramba, uye yakagadziridzwa maitiro ekuora mune mamwe midhiya. Mubvunzo hausi kuti ndeupi alloy "iri nani," asi iyo alloy inoenderana nekutadza kwechikamu.
Misiyano Yekuumbwa Inotyaira Kuita
Mukana wekuita pakati peaya maviri macobalt alloys anouya pasi kune maviri nemaune ekugadzira sarudzo.
Iyo Carbon Yemukati Gap: Kuoma vs Ductility
Stellite 6 inotakura zvinosvika 0.9-1.4% kabhoni, nepo Stellite 21 inobata ingangoita 0.20-0.35%. Musiyano iwoyo unodzora huwandu hwakaoma carbide mafomu mune iyo microstructure. Yakakwira kabhoni muStellite 6 inoreva huwandu hukuru hwekromium-rich carbides, iyo inoshandura zvakananga kune yakakwira kuomarara uye kuramba zvirinani kune abrasive kupfeka. Yakadzika kabhoni muStellite 21 inosiya yakawanda yecobalt solid-solution matrix yakafumurwa, iyo inoderedza kuomarara asi inochengetedza ductility uye kugona kugarisa kupisa kwekupisa pasina kuputika.
Hukukutu hunokosha hunoshumwa nokuda kweStellite 21 kazhinji hunowira pakati pe27–40 HRC, ine hutsika hwepamusoro hunogoneka kuburikidza nekushanda kuoma (kusvika pa48 HRC). Stellite 6, nekuenzanisa, inowanzotaurwa pa40-45 HRC mune se-yakaiswa mamiriro. Huwandu uhu hunoratidza kwete kutsanangurika: chikamu chakakandwa kana chakagadzirwa cheStellite 21 chinogona kunge chine zvivakwa zvakasiyana pane weld overlay, uye data chaiyo yekuyedza yemupi inofanirwa kutonga iyo yakatarwa.
Tungsten vs Molybdenum: Iyo Solid-Solution Inosimbisa Logic
Stellite 6 inoshandisa tungsten kusimbisa-solution kusimbisa, ukuwo Stellite 21 inotsiva molybdenum. Kuchinjana hakusi nyore imwe-ne-imwe kutsiva. Molybdenum ine inenge hafu yehuremu hweatomu hwe tungsten, saka pahuremu humwe chete muzana inopa maatomu akapetwa kaviri kune matrix. Uyu mutsauko weatomic-level unokanganisa maitiro anoita chiwanikwa patembiricha yakakwira.
Kunyanya kukosha pakuita ngura, molybdenum inowanzo zivikanwa seyanobatsira mukuderedza nharaunda. Chidzidzo chelaser-cladding chichienzanisa maalloys maviri chakawana kuti Stellite 21 layers yairatidza zvirinani kusakara pane Stellite 6 layers pasi peyedzo mamiriro akashandiswa. Iyo molybdenum yekuwedzera zvakare inoderedza tsika yekunaya kwepakati pamhepo tembiricha, iyo inotsigira iyo alloy's thermal kugadzikana mucyclic sevhisi. Aya ndiwo mabhenefiti ane chirevo, asi anosarudza: Stellite 21 haina kudzivirirwa pasi rose kupfuura Stellite 6, uye chaiyo pakati, tembiricha, uye aeration mamiriro inofanira kuongororwa. Mune cavitation erosion, semuenzaniso, Stellite 6 yakashumwa kupfuura Stellite 21 mukuenzanisa weld zvidzidzo.
Kuenzanisa Kwekuita: Kuoma, Kuoma, Kuneta Kwemafuta, uye Galling
Tafura iri pazasi inopfupikisa misiyano yekuita inoshanda. Values indicative reference points, not guaranteed specifications. Mamiriro ekupedzisira ekugamuchirwa anofanirwa kunge ari pamusoro peiyo mutengesi akayerwa data kune chaiyo chigadzirwa fomu uye nzira yekugadzira.
| Performance Dimension | Stellite 6 | Stellite 21 | Data Note |
| Kuoma kwakafanana (se-kuiswa) | 40–45 HRC | 27–40 HRC (basa rakaoma kusvika ~ 48 HRC) | Weld deposit reference; zvakakandwa/zvakagadzirwa zvakakosha zvinosiyana |
| Abrasive kupfeka resistance | Yakakwirira (yakawanda carbides) | Yakaderera (yakaomesesa yakaoma-chete erosion resistance) | Stellite 21 haikurudzirwe kune yakaoma yakaoma-chete abrasion |
| Kuoma / ductility | Lower | Higher | Mhedzisiro yekudzikisa carbide volume |
| Thermal kuneta kuramba | Pakati nepakati | Zvirinani | Yakaderera kabhoni + Mo inoderedza kutsemuka tsika pasi pekuchovha bhasikoro |
| Galling resistance | Zvakanaka | Kazhinji inosarudzwa simbi-ku-metal inotsvedza | Kusarudzwa kunoenderana nekusangana kwepamusoro uye mutoro |
| Corrosion resistance (aqueous) | Baseline | Zvirinani mune imwe yekudzikisa / yakaoma midhiya | Laser-clad kudzidza yakaratidza Stellite 21 yakawanda corrosion inodzivirira pasi pemamiriro ebvunzo |
Chidzidzo pa laser-clad layers akawana kuti Stellite 6 yakanga yakaoma zvishoma pedyo nechepamusoro pepamusoro, nepo Stellite 21 yakaratidza kuderera kwepamusoro kutsvedza kupfeka kusagadzikana nekuda kweiyo yakaderera coefficient of friction-inonakidza counterpoint kune fungidziro yekuti kuomarara kwepamusoro nguva dzose kunoreva kupfeka kurinani kuita. Chinotorwa ndechekuti machira ekupfeka anokosha kupfuura nhamba imwechete yekuomarara.
Mepu Yekushandisa: Kufananidza iyo Alloy kune Kukundikana Modhi
Iko Stellite 6 Inokodzera: Zvigaro zvevhavha, Mapfumo epombi, Abrasive Wear
Stellite 6 ndiyo sarudzo yakakodzera kana chikamu chekutanga chekudzikisira modhi ichiita abrasive kana erosive kupfeka kubva kuakaomesesa particles, slurry, kana high-velocity fluid. Gedhi valve zvigaro uye wedges, globe valve discs, tarisa valve flappers,uye pombi zvikamu yakafumurwa kune abrasive media inotangwa maapplication. Iyo yakakwira carbide yemukati inopa chakaomarara chipingamupinyi kupesana nemakanika kubviswa kwezvinhu.
Stellite 6 zvakare ndiyo yakachengeteka kusarudzika kana nzira yekugadzira inosanganisira welding kana kuomarara pane substrate yesimbi uye mutengesi ane ruzivo rwakakura nemaitiro. Iyo alloy welding maitiro anosarudzika, uye maitiro ekudzora dilution anonzwisiswa zvakanyanya.
Imwe caveat: kana iyo abrasive sevhisi ichisanganisira svikiro, Stellite 6 inogona kunge isiri iyo giredhi rakakwana. Mune iyo yakasanganiswa kupfeka-corrosion mamiriro, Stellite 21 yakaratidza kuita zvirinani mukuongororwa kwerabhoritari.
Iko Stellite 21 Inokodzera: Thermal Cycling, Zvikamu Zvitete, Gasi Turbine Zvikamu
Mabhenefiti eStellite 21 anobuda mumamiriro matatu. Chekutanga, kuchovha bhasikoro: iyo yakaderera kabhoni yemukati uye molybdenum yekuwedzera inoderedza simba rekutyaira rekutsemuka pasi pekudziisa uye kutonhora. Stellite 21 yakashandiswa mukupisa-kushanda maapplication uye senge buffer layer uko kupisa kwekuwedzera kusawirirana pakati pesimbi substrate uye hardfacing inofanirwa kutarisirwa. Chechipiri, dzakatetepa-madziro kana geometrically dzakaomarara zvikamu zvinobatsira kubva kune yakakwirira kuoma, izvo zvinoderedza njodzi yekutsemuka panguva yekugadziriswa kana sevhisi. Yetatu, simbi-kune-simbi inotsvedza zvisimbiso uye galling-prone interfaces inogona kuita zvirinani neStellite 21, kunyangwe izvi zvinoenderana nechaiyo mating zvinhu uye kudzvanywa kwekubata.
Imwe nyaya yakabudiswa inotsanangura laser cladding kugadziriswa kwe-high-pressure turbine blades uchishandisa Stellite 21 powder, nemashizha akagadziridzwa anoratidza kuwedzera kusimba uye kurebesa zvichienzaniswa neyakagadzirwa referensi zvinhu. Izvi zvinoratidzira basa reiyo alloy mukudzoreredza-kukosha kwezvikamu uko kuneta kwekupisa uye kurongeka kwechimiro kwakakosha.
Chimwe chinogumira chakakodzera kusimbiswa: Stellite 21's low carbide volume zvinoreva kuti inopa kushomeka kushomeka kune yakaoma-chete kukurwa. Pasi pemamiriro akakomba abrasive anosanganisira akapinza zvimedu pakumhanya, Stellite 6 inoramba iri iyo yakanyanya kusarudzwa sarudzo.
Mibvunzo Mishanu Yekusimbisa Usati Wataura Stellite 21 Chikamu
Kana wafunga kuti a stellite 21 chikamu ndiyo nzira chaiyo, nhanho inotevera ndeyekuona kuti mutengesi anogona kuendesa zvivakwa zvaunoda. Iyo alloy yekumisikidza yega haina kukwana, nekuti Stellite 21's mechanic properties inoenderana zvakanyanya nekugadzira nzira uye kupisa kupisa.
1. Ndeipi nzira yekugadzira?
Kukandwa, kugadzirwa, kana kuomarara? Imwe neimwe inogadzira akasiyana carbide morphology, kuoma, uye kuoma. Chikamu chakakandwa uye laser-clad pamusoro peiyo yakafanana zita alloy haishanduke. Kumbira mutengesi kuti ataure nzira yacho zvakajeka uye ape data inomiririra nzira iyoyo.
2. Unogona here kupa kuomarara kugovera muchikamu?
Kuverengera kuomarara kumwe chete pacoupon yebvunzo hakutsigire chikamu chakapedzwa. Kumbira multi-point kuomarara data, kunyanya kune zvikamu zvine akasiyana chikamu ukobvu kana kupisa kurapwa.
3. Chii chinonzi kupisa kurapwa mamiriro?
Stellite 21 inogona kushanda-kuomesa panguva yekugadzira uye kupfeka. Mamiriro ekutumirwa anokosha. Kana annealing kana kusununguka kwekunetseka kwakaitwa, zvinyorwa zvinofanirwa kuwanikwa. Kana chikamu chacho chikashandiswa mumamiriro ekushanda-akaoma, chiyero uye kufanana kwekuoma kwebasa kunofanira kunyorwa.
4. Pane humbowo hunoenderana neicho chinangwa chekutadza?
Kana chikonzero chekusarudza Stellite 21 chiri kupisa kuneta kuramba kana kuramba galling, bvunza kana mutengesi ane ruzivo kana bvunzo data inogadzirisa iyo chaiyo mashini. General alloy datasheets inzvimbo yekutanga, kwete inotsiva yekushandisa-chaiwo humbowo.
5. Ndezvipi zvinyorwa zvinoperekedza chikamu chacho?
Chitupa chitupa, traceability kune kupisa kana mijenya, uye marekodhi ekuongorora anofanirwa kutsanangurwa. Zvebasa rakakosha, chitupa chinofanirwa kuratidza alloy nenhamba yeUNS (R30021 yeStellite 21) uye chiyero chinoshanda.
FAQ
Is Stellite 21 inonyanya kuomarara kupfuura Stellite 6?
Mune mamwe midhiya, kunyanya kuderedza kana yakaoma acidic nharaunda, Stellite 21 yakaratidza zvirinani kusakara mukuora muzvidzidzo zvekufananidza. Zvisinei, haina kupfuura pasi rose. Iyo chaiyo yepakati, tembiricha, uye aeration mamiriro anoona mashandiro, uye kuongororwa kwekuora kwesevhisi chaiyo kunokurudzirwa. Stellite 6, semuenzaniso, yakaratidza kuramba kuri nani kune cavitation erosion mune weld kuenzanisa zvidzidzo.
Ini ndinogona kutsiva Stellite 6 yeStellite 21 ndisina kuchinja dhizaini?
Chete kana iyo yekukundikana michina isingatsamiri pane izvo zvinovasiyanisa. Kana chikonzero chekutanga chekusarudza Stellite 21 yaive yekupisa kuneta kuramba kana galling kuramba, kutsiva Stellite 6 kunogona kusagadzirisa dambudziko uye zvinogona kuwedzera. Sarudzo inofanira kudzokororwa kunopesana neiyo chaiyo yekutadza maitiro.
Stellite 21 yakaoma zvakakwana zvekupfeka maapplication?
Kuoma kwega isarudzo isina kunaka. Stellite 21 yakapfava kupfuura Stellite 6 mune se-yakaiswa mamiriro asi inogona kushanda-kuomesera musevhisi (kusvika ingangoita 48 HRC), uye mapfekero ayo anoenderana nemagadzirirwo. Kune yakaoma yakaoma-chete abrasion, Stellite 6 inowanzofarirwa. Zvekutsvedza kupfeka, galling, kana kupisa bhasikoro, Stellite 21 inogona kudarika kunyangwe kuomarara kwekutanga.
Ko ese ari maviri alloys anogona kuiswa ne hardfacing?
Hongu. Stellite 6 ndiyo yakajairika hardfacing giredhi, asi Stellite 21 inowanikwawo sewelding waya uye hupfu hwekufukidzira uye kupfekedza maitiro. Maitiro maparamita uye dilution control inosiyana, uye mutengesi anofanirwa kunge aine maitiro akakodzera eiyo chaiyo alloy uye substrate musanganiswa.
Ndeipi inonyanya kufuratirwa yakatarwa paunenge uchiodha zvikamu zveStellite 21?
Nzira yekugadzira uye mamiriro ekugadzirisa kupisa. Izvi zvinhu zvinopesvedzera zvimiro zvekupedzisira kupfuura iyo yezita alloy kuumbwa kweStellite 21, uye chirevo chekutenga chinodudza chete giredhi realloy chinosiya zvakakosha zvakasiyana zvisina kutsanangurwa.
Kumbira Sarudzo Tsigiro kana Material Certification
Kana uri kuongorora a cobalt alloy chikamu yekupfeka kana corrosion application uye inoda kuona kuti Stellite 21 kana Stellite 6 ndiyo yakakwana zvirinani, danho rinonyanya kugadzirwa nderekugovera chikamu chekudhirowa uye tsananguro yeinotarisirwa kukundikana modhi nemupi anoshanda nearoyi ese ari maviri. Taura tembiricha yebasa, mamiriro ekuchovha bhasikoro, nzvimbo dzekusangana, uye svikiro rinopisa kana zvichiita. Mutengesi ane ruzivo ne Stellite alloy zvikamu inofanira kukwanisa kukurukura nezvekutengeserana kwechokwadi uye nekupa chitupa chezvinhu, kuomarara kwedata, uye magwaro ekugadzira nzira yezvikamu zvauri kufunga.
