NiCr 80/20waya yekupisa inopisachinhu chemhando yepamusoro chakagadzirirwa kushandiswa kwekupfapfaidza arc. Waya iyi inoumbwa ne80% nickel uye 20% chromium, zvichiita kuti ive sarudzo yakanaka yekugadzira machira anoda kudzivirira kupisa kwakanyanya, kuramba ngura, uye kuramba oxidation. NiCr 80/20 inoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana, anosanganisira aerospace, kugadzira magetsi, petrochemical, uye kugadzira, kuchengetedza nekudzoreredza nzvimbo, kuwedzera kuramba kupfeka, uye kuwedzera hupenyu hwezvinhu zvakakosha. Kushanda kwayo kwepamusoro munzvimbo dzakaoma kunoita kuti ive mhinduro yakavimbika yekushandiswa kwakaoma.
Kugadzirira zvakanaka pamusoro pevhu kwakakosha kuti uwane mhedzisiro yakanaka neNiCr 80/20waya yekupisa inopisa. Nzvimbo inofanira kuputirwa inofanira kucheneswa zvakanaka kubvisa tsvina yakaita semafuta, mafuta, tsvina, uye maoxide. Kuputira grit nealuminium oxide kana silicon carbide kunokurudzirwa kuti pave nekuomarara kwepamusoro kwema microns 50-75. Kuva nechokwadi chekuti nzvimbo yakachena uye yakaomarara inowedzera kunamira kwejira rekupisa, zvichiita kuti pave nekushanda kwakanaka uye kugara kwenguva refu.
| Chinhu | Kuumbwa (%) |
|---|---|
| Nickel (Ni) | 80.0 |
| Chromium (Cr) | 20.0 |
| Pfuma | Kukosha Kwakajairika |
|---|---|
| Kuwanda kwevanhu | 8.4 g/cm³ |
| Nzvimbo Yokunyunguduka | 1350-1400°C |
| Simba reKusimba | 700-1000 MPa |
| Kuoma | 200-250 HV |
| Kuramba Kuoxidation | Zvakanakisa |
| Kufambisa kwekupisa | 15 W/m·K pa20°C |
| Kupfeka Ukobvu Range | 0.2 – 2.0 mm |
| Kuboorwa kwemvura | < 1% |
| Kuramba Kupfeka | Yakakwirira |
Waya yekupfapfaidza inopisa yeNiCr 80/20 inopa mhinduro yakasimba uye inoshanda yekuvandudza hunhu hwepamusoro hwezvinhu zvakasangana nemamiriro ezvinhu akaipisisa. Hunhu hwayo hwemakanika hwakasiyana uye kuramba kwayo kuoxidation nekupfekwa kunoita kuti ive chinhu chakakosha mukushandiswa kwakasiyana-siyana kwemaindasitiri. Nekushandisa waya yekupfapfaidza inopisa yeNiCr 80/20, maindasitiri anogona kuvandudza mashandiro uye hupenyu hwebasa remidziyo yavo nezvinhu zvavo.
150 0000 2421