316l irin alagbara, irin dada ilana lile ati ooru itọju ilana

Irin alagbara, irin tubeooru itọju akọkọ idi ni lati yi awọn akojọpọ paipu irin matrix be, mu awọn líle ti irin alagbara, irin paipu, ṣugbọn nitori o ti wa ni ko taa yi paipu mofoloji, ati nitorina ko le fe ni mu awọn agbara ati toughness ti awọn alagbara, irin tube.Irin alagbara, irin tube quenching otutu yẹ ki o wa ti a ti yan ninu awọn gangan lominu ni otutu 30-70, nitori aiṣedeede igbona ti ko dara ti irin, akoko idaduro ni gbogbogbo nipa ilosoke lẹmeji ju irin lọ.

Nibayi, ni ibere lati din awọn quenching wahala, ṣaaju ki o to quenching yẹ ki o wa ninu awọn air aso-itutu, epo quenching alabọde gbogbo lo agbara lati yago fun quench wo inu tun le ya awọn tete epo (tutu si 200-300).) ọna itutu afẹfẹ.Lẹhin ti irin alagbara, irin tube quenching, martensite matrix be le di tabi troostite lẹhin tempering tempered sinu sorbite, eyi ti o jẹ quenching, tempering ilana ati tempered alagbara, irin pipe miiran paipu ni ko si awọn ibaraẹnisọrọ iyato lẹhin quenching yẹ ki o wa tempered alagbara, irin.Irin alagbara tun le jẹ isothermal quenching isothermal quenching alabọde le jẹ epo gbona tabi iyọ, fun apẹẹrẹ, ni 830-870, ati lẹhinna kikan pa 280-350iyọ isothermal.Irin paipu quenching tabi isothermal quenching, mu awọn darí-ini ju arinrin grẹy simẹnti irin jẹ o lapẹẹrẹ.

Ni ibere lati mu awọn dada líle ati wọ resistance ti irin alagbara, irin pipe, le jẹ ina dada líle, ga-igbohunsafẹfẹ dada líle ati kemikali ooru itoju, ninu eyiti a ga igbohunsafẹfẹ tabi awọn ẹya agbedemeji igbohunsafẹfẹ dada lile julọ awọn ohun elo.Giga, lile dada igbohunsafẹfẹ alabọde pẹlu akoko alapapo jẹ kukuru, kere si ifoyina ati decarbonization, abuku jẹ kekere, ati iṣẹ irọrun, iwọn otutu alapapo nigbagbogbo jẹ 850-950, irin alagbara, irin paipu nitori ti ko dara gbona elekitiriki, ati kekere yo ojuami, awọn alapapo oṣuwọn ni ko ju sare, bibẹkọ ti prone si wo inu tabi yo.Ga, alabọde igbohunsafẹfẹ processing alagbara, irin tube ko nikan le mu awọn dada líle ati ki o wọ resistance, sugbon tun significantly mu awọn rirẹ agbara, mu iṣẹ aye, awọn miiran, Machine Ọpa itanna olubasọrọ dada ti alapapo ni a aṣoju apẹẹrẹ ti a alagbara, irin. tube dada ìşọn.Ni ibere lati gba kan ti o dara matrix agbari lati rii daju awọn alagbara, irin tube inu dada líle ati darí-ini le wa ni gba lẹhin ga líle, dada ooru itọju ṣaaju ki o to ti o dara ju ṣaaju ki o to normalizing tabi quenching ati tempering itọju.


Akoko ifiweranṣẹ: Oṣu kọkanla-25-2019