Carburizingati nitridingni o wa meji o gbajumo ni lilo dada líle imuposi ni Metallurgy. Mejeeji mu awọn ohun-ini dada ti irin, ṣugbọn wọn yatọ ni pataki ni awọn ipilẹ ilana, awọn ipo ohun elo, ati awọn ohun-ini ohun elo ti o yọrisi.
1. Ilana Ilana
●Carburizing:
Ilana yii jẹ alapapokekere-erogba, irin tabi alloy, irinninu aerogba-ọlọrọ bugbamuni awọn iwọn otutu ti o ga. Awọn erogba orisun decomposes, dasileti nṣiṣe lọwọ erogba awọn ọtati o tan kaakiri sinu irin dada, jijẹ awọn oniwe-erogba akoonuati ki o muu ọwọ lile lile.
●Nitriding:
Nitriding ṣafihanti nṣiṣe lọwọ nitrogen awọn ọtasinu oju irin ni awọn iwọn otutu ti o ga. Awọn ọta wọnyi fesi pẹlu awọn eroja alloying (fun apẹẹrẹ, Al, Cr, Mo) ninu irin lati ṣẹdanitrides lile, Imudara líle dada ati yiya resistance.
2. Awọn iwọn otutu ati Aago
| Paramita | Carburizing | Nitriding |
| Iwọn otutu | 850°C – 950°C | 500°C – 600°C |
| Akoko | Orisirisi si dosinni ti awọn wakati | Dosinni si awọn ọgọọgọrun awọn wakati |
Akiyesi: Nitriding waye ni awọn iwọn otutu kekere ṣugbọn nigbagbogbo gba to gun fun iyipada oju oju deede.
3. Awọn ohun-ini ti Layer Hardened
Lile ati Wọ Resistance
●Carburizing:Se aseyori dada líle ti58–64 HRC, laimu ti o dara yiya resistance.
●Nitriding:Awọn esi ni dada líle ti1000-1200 HV, gbogbo ga ju carburized roboto, pẹluo tayọ yiya resistance.
Agbara rirẹ
●Carburizing:Ilọsiwaju patakiatunse ati torsional rirẹ agbara.
●Nitriding:Tun mu agbara rirẹ pọ si, botilẹjẹpe gbogbogboto a kere iyeju carburizing.
Ipata Resistance
●Carburizing:Lopin ipata resistance.
●Nitriding:Awọn fọọmu aipon nitride Layer, pesesuperior ipata resistance.
4. Awọn ohun elo ti o yẹ
●Carburizing:
Ti o dara julọ funirin-kekere erogba ati awọn irin-kekere alloy. Awọn ohun elo ti o wọpọ pẹlumurasilẹ, awọn ọpa, ati awọn paatitunmọ si ga èyà ati edekoyede.
●Nitriding:
Apẹrẹ fun awọn irin ti o nialloying erojabii aluminiomu, chromium, ati molybdenum. Nigbagbogbo lo funkonge irinṣẹ, molds, kú, atiga-yiya irinše.
5. Ilana Abuda
| Abala | Carburizing | Nitriding |
| Awọn anfani | Ṣe agbejade Layer lile lile | Iye owo-doko Wulo jakejado Iyatọ kekere *** nitori awọn iwọn otutu kekere Ko si quenching beere Ga líle ati ipata resistance |
| Awọn alailanfani | Awọn iwọn otutu ilana giga le faipalọlọ Nilo quenching lẹhin carburizing | Idiju ilana n pọ si Shallower irú ijinle Awọn akoko gigun gigun Iye owo ti o ga julọ |
Lakotan
| Ẹya ara ẹrọ | Carburizing | Nitriding |
| Àiya Layer Ijinle | Jin | Aijinile |
| Dada Lile | Iwọntunwọnsi si giga (58-64 HRC) | O ga pupọ (1000-1200 HV) |
| Resistance rirẹ | Ga | Iwontunwonsi si giga |
| Ipata Resistance | Kekere | Ga |
| Ewu Idaru | Ti o ga julọ (nitori awọn iwọn otutu giga) | Kekere |
| Lẹhin-itọju | Nbeere quenching | Ko si quenching nilo |
| Iye owo | Isalẹ | Ti o ga julọ |
Mejeeji carburizing ati nitriding ni awọn anfani alailẹgbẹ ati pe wọn yan da lori awọnohun elo awọn ibeere, pẹlufifuye-ara agbara, onisẹpo iduroṣinṣin, wọ resistance, atiawọn ipo ayika.
Nitrided jia ọpa
Akoko ifiweranṣẹ: Oṣu Karun-19-2025