Bawo ni lati dehydrogen annealing forgings

Post-forgingooru itọju tinla forgingslẹhinayederulara, lẹsẹkẹsẹ lẹhin itọju ooru ni a peranse si-forgingitọju ooru. Idi tiranse si-forgingooru itọju ti o tobi forgings jẹ o kun lati de-wahala, recrystallize ọkà refining ati dehydrogenation ni akoko kanna.
1. Itọju atunṣe Lẹhin ọpọlọpọ awọn itọju atunṣe ti awọn forgings nla, isọdọtun ọkà, ilọsiwaju microstructure, ilọsiwaju iṣẹ.
2. Dehydrogen annealing yoo din hydrogen ninu awọnayederus si iye to akoonu hydrogen ni isalẹ, ki o si ṣe awọn oniwe-pinpin aṣọ, ibere lati yago fun awọn ewu ti funfun to muna, hydrogen embrittlement.
https://www.shdhforging.com/forged-discs.html
Solubility ati olusọdipúpọ kaakiri ti hydrogen ni ipele 7 ati ipele A yatọ, pataki isodipupo kekere ati iyeida kaakiri nla ti hydrogen ni ipele A, eyiti o jẹ ki hydrogen nigbagbogbo tan kaakiri ni ita lakoko ilana isọdọtun. Annealing dehydrogenation nigbagbogbo ni idapo pẹlu atunbere. Awọn iwọn otutu ti dehydrogen annealing jẹ nigbagbogbo 650 ℃. Lẹhin annealing, o yẹ ki o tutu ni laiyara bi o ti ṣee ṣe lati ṣe idiwọ wahala inu inu tuntun. Itutu agbaiye gbogbogbo ti pin si awọn ipele meji: loke 400 ℃, nitori ṣiṣu ti o dara ti irin, aapọn inu ko rọrun lati dagba, nitorinaa itutu agbaiye le yarayara; Ni isalẹ 400 ℃, oṣuwọn itutu agbaiye yoo fa fifalẹ. Fun forgings pẹlu diẹ alloy eroja ati ki o ga iṣẹ awọn ibeere, ọkan tabi paapa ọpọ recrystallization ooru itọju ti wa ni ti beere lẹhin forging, ni ibere lati mu awọn be ati iṣẹ ti forgings.


Akoko ifiweranṣẹ: Jul-01-2022

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