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Powder Metallurgy Menzi Steel Stainless of Isiko Umfanekiso Featured

I-Powder Metallurgy uMvelisi weNtsimbi engatyiwayo yesiko

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I-powder metallurgy steel stainless steel ingenziwa kwiindawo.Amanzi ensimbi engenasici anyibilikisiwe kwisithando somlilo aphuma kumngxuma wokuvuza we-nozzle, i-atomizes ngamanzi anoxinzelelo oluphezulu, kwaye idibanisa ukufumana umgubo wensimbi engenasici. yomisiwe, ihlelwe kwaye ihlanjululwe, kunye nobuninzi bobuninzi be-atomized yamanzi umgubo wensimbi engenasici wawuyi-2.5 ~ 3.2g / cm.Yenziwa phantsi koxinzelelo lwe-550 ~ 830MPa. Ukuxinwa kufakwe kwi-hydrogen okanye kwi-ammonia ebolileyo kunye neqondo lombethe. -45 ~ -50 ℃.I-vacuum sintering ingasetyenziselwa, ukushisa kwe-sintering ye-1120 ~ 1150 ℃.Xa iipropati ezintle zomatshini kunye nokumelana nokubola kuyadingeka, ukushisa kwe-sintering ukuya kwi-1315C kuyasetyenziswa.

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Powder Metallurgy Steel stainless

I-powder metallurgical stainless steel ingenziwa ibe yi-steel.I-stainless steel stainless water was atomized to powder with high pressure nitrogen.Iincinci zepowder zaziyi-spherical, ubuninzi bokupakisha okukhululekile kwakumalunga ne-4.8g / cm, kwaye umxholo we-oksijini we powder wawungaphantsi kwe-100 × 10. 70)×10.Ezi zingumgubo zensimbi ezingenasici zifakwe kwi-casing, vacuum itywinwe, i-isostatic ebandayo icinezela kwi-5kPa yoxinzelelo, kwaye emva koko i-isostatic eshushu icinezela kwi-1050 ℃ kunye noxinzelelo lwe-2kPa ukuxinanisa izinto. kwiintonga ezihlangeneyo kunye nemibhobho kwi-1200 ℃. Xa kuthelekiswa nentsimbi eqhelekileyo kunye nentsimbi engenasici, ulwahlulo lwe-nickel, i-chromium kunye nezinto ze-molybdenum kwi-powder ephathwayo yensimbi engenasici incinci, ubukhulu bengqolowa buncinci kakhulu, kwaye ukubandakanywa kwe-sulfide kulungile kwaye ngokulinganayo. distributed.Ngoko iphuculwe:

1. Amalungu esinyithi enziwe ngomgubo wentsimbi

2. Amalungu esinyithi enziwe ngomgubo wentsimbi

3. Iimpawu zomatshini kunye nokumelana nokubola.

Iintsimbi ezikhethekileyo ezingenastainless ezine-molybdenum ephezulu, i-nickel, initrogen kunye nomxholo we-manganese zisetyenziselwa ukunyusa ukuxhathisa ukubola kunye nokomelela kwiindawo ezilukhuni zaselwandle.