Monel Aive Anopedzisa Stainless Steel
Monel® alloys ari nickel- yakagadzirwa nemagetsi ane 29 kusvika 33 muzana yemhangura . Pakutanga yakagadzirwa nemetallurgist Robert Crooks Stanley uye wechivamende muna 1905 ne International International Nickel Company. Isimbi yakapiwa zita rokuti Monel mukuremekedza iyeye-mutungamiriri we International International Nickel. Hazvishamisi kuti Stanley akazova Mutevedzeri weInternel Nickel.
Pakazosvika 1908, Monel yakanga iri kushandiswa sezvokugadzira zvinhu zvePennsylvania Station muNew York.
Mumakore ekuma1920 uye gare gare, Monel yakashandiswa pamadziropu, mvura, midziyo, uye padenga rinopisa. Kunyange zvazvo Monel yakanga iri pakati pematare anozivikanwa zvikuru mumusika muma1940, yakanyanya kuchinjwa nemashizha asina kushandiswa akawanda asina kushandiswa kubva kuma1950 zvichienda mberi.
Aina dzeMonel
Kune marudzi matanhatu eMonel. Zvose zvine chikamu chikuru chekudya (kusvika ku 67%), asi imwe yesimbi, manganese, kabhoni, uye / kana silicon. Zvinyorwa zviduku zvealuminium uye titanium , izvo zvinoumba k-500 alloy, kuwedzera simba, kunyanya pamatambo ekudzivirira, zvichiita kuti zvive zvakakosha mu-aerospace applications.
| Kurongwa | Cu% | Al% | Ti% | Fe% | Mn% | Si% | Ni% |
| Monel 400 | 28-34 | - | - | 2.5 max. | 2.0 max. | - | 63 min. |
| Monel 405 | 28-34 | - | - | 2.5 max. | 2.0 max. | 0.5 max. | 63 min. |
| Monel K-500 | 27-33 | 2.3-3.15 | 0.35-0.85 | 2.0 max. | 1.5 max. | - | 63 min. |
Pfuma: SubsTech. Substances & Technology
Zvishandiso zveMonel
Monel® alloys inowanzowanikwa mumakemikari mashizha emiti nekuda kwekudzivirira kwavo kwakasimba chemachiro corrosion.
Izvo zvinoshandiswawo mumhizha yeaerospace. Miti yakavakwa naMonel (kunyanya kusati yasvika yensimbi isina chaipo) inosanganisira kutengesa kupisa, kushandiswa kwemichina yemichina, midziyo yemhepo, magomba emvura, mafuta uye matangi emvura, sinkisi yekicheni, uye denga.
Pros uye Cons yeMonel
Pros:
Monel® zvinyorwa zvine zvakawanda zvokupa.
Pakazosvika ma1950, vaive "kuenda kune" kusarudzwa kwezvikwata zvakawanda zvakakosha zvakakosha. Inogonawo kuiswa nyore nyore, inotengeswa, uye yakashongedzwa. Izvi ndezvekuti:
- high corrosion kurwisa acid uye alkalis
- high mechanical power
- ductility yakanaka (nyore kuumba uye kuumba)
- kushora alkalis
- mari yakaderera
- kuwanikwa mune zvakasiyana-siyana zvinosanganisira kupisa uye kutonhorera-mahwendefa, mahwendefa, tsvimbo, mabhairi, uye tubhu
- chimiro chakanaka uye chinopedza, kusanganisira grey-green patina yakafanana nemhangura
Cons:
Kunyange zvazvo Monel ine zvigaro zvakawanda, iri kure nesimbi yakakwana. Iko kusagadzikana kwezvipembenene izvi zvakashata nekuda kwemaitiro avo ekukurumidza kushanda-zvakaoma. Chii chimwe:
- Nepo kubwinya kwemavara nenzira ye patina kungave kwakanaka mune dzimwe mamiriro ezvinhu, kunogona kukonzera zvinetso kune vamwe.
- Kunyange zvazvo ichidzivirira kuora, inogona kukonzerwa kana ichiiswa kune munyu wemvura.
- Kunyange zvazvo iri kusagadzikana kupisa mumamiriro ezvinhu akawanda, inogona kugumburwa kana ichiiswa pane zvimwe zvinhu. Somuenzaniso, nitric oxide, nitrous acid, sulfur dioxide, uye hypochlorite zvinhu zvose zvinogona kukanganisa Monel.
- Kuvapo kweMonel kunogona kutungamirira ku galvaniic corrosion. Mune mamwe mazwi, kana saruminium, zinc, kana simbi inoshandiswa se fasteners yeMonel uye zvadaro yakaiswa kune mamwe mamiriro ezvinhu, zvigadzirwa zvesimbi zvinokurumidza kugadzirisa.