Vanadium-nitrogen alloys yog cov alloys uas muaj vanadium thiab nitrogen, uas feem ntau yog siv los ua microalloying additives hauv steel ntau lawm los txhim kho lub zog, toughness thiab qaug zog ntawm cov hlau. Vanadium-nitrogen alloys feem ntau yog tsim los ntawm kev qhia nitrogen lossis nitrides rau hauv cov txheej txheem vanadium smelting. Cov alloys ua ke cov khoom ntawm ob qho tib si vanadium thiab nitrogen thiab tshwj xeeb tshaj yog zoo ntawm cov nplej refinement thiab nag lossis daus.
Vanadium nitrogen cov ntsiab lus tseem ceeb
- Vanadium (V): feem ntau yog li ntawm 75% mus rau 80%.
- Nitrogen (N): Nitrogen cov ntsiab lus feem ntau nyob ib ncig ntawm 10% mus rau 14%.
- Lwm yam khoom siv: kuj tseem muaj cov pa roj carbon tsawg, silicon, phosphorus thiab lwm yam impurities, cov ntsiab lus tshwj xeeb txawv nyob ntawm tus txheej txheem.
vanadium nitrogen alloy lub ntsiab khoom
1. Kev ua kom muaj zog:
- Vanadium thiab nitrogen hauv vanadium-nitrogen alloys tsim VN (vanadium nitride) precipitated theem hauv cov hlau, uas tuaj yeem ua kom lub zog ntawm cov hlau. Kev sib xyaw ntawm nitrogen thiab vanadium yog qhov ua tau zoo dua hauv kev tsim cov qib microscopically ntxiv dag zog dua li qhov sib ntxiv ntawm vanadium ib leeg.
2. Grain Refinement:
- Vanadium thiab nitrogen alloys tuaj yeem txhim kho lub koom haum grain ntawm cov hlau, txo cov supercooled austenite hauv steel, thiab ua rau kom cov tawv nqaij thiab ductility ntawm hlau.
3. Txhim kho kev qaug zog thiab hnav tsis kam:
- Qhov sib ntxiv ntawm vanadium thiab nitrogen alloys tuaj yeem txhim kho qhov qaug zog thiab hnav tsis kam ntawm cov hlau, ua rau nws tsim nyog rau kev siv hauv kev lag luam uas xav tau lub zog siab thiab ua haujlwm ntev, xws li kev tsim kho, txuas hniav, kev tsheb ciav hlau thiab lwm yam khoom siv.
4. Thermal stability:
- Vanadium thiab nitrogen alloys muaj qhov zoo thermal stability ntawm qhov kub thiab txias thiab muaj peev xwm tswj tau cov khoom ntawm cov hlau hauv qhov kub thiab txias thiab tsis ua rau softening lossis degradation.
vanadium nitrogen alloy tseem ceeb siv
1. High Strength Low Alloy Steel (HSLA):
- Vanadium thiab nitrogen alloy yog dav siv nyob rau hauv zus tau tej cov high zog low alloy steel. Nws tuaj yeem txhim kho lub zog thiab tawv tawv ntawm cov hlau nrog me me ntxiv, thaum tuav cov weldability zoo thiab corrosion kuj, thiab yog siv dav hauv kev tsim kho, txuas hniav, cov kav dej thiab lwm yam.
2. Steels rau kev tsim kho:
- Vanadium-nitrogen alloy tshwj xeeb yog siv dav hauv kev tsim kho steel, tshwj xeeb tshaj yog rau kev tsim khoom ntawm ntau yam qauv hlau thiab rebars. Nws tuaj yeem txhim kho lub zog compressive thiab seismic kev ua haujlwm ntawm kev tsim steel los ntawm micro-alloying.
3. Cov cuab yeej thiab pwm hlau:
- Qhov sib ntxiv ntawm vanadium thiab nitrogen alloys rau cov cuab yeej thiab cov hlau tuag tuaj yeem txhim kho qhov hnav thiab qaug zog ntawm cov hlau, ua kom nws tsim nyog rau kev siv hauv kev tsim cov cuab yeej ua haujlwm siab xws li cov cuab yeej txiav thiab xyaum.
4. Welding hlau:
- Raws li vanadium-nitrogen alloys ua kom lub zog thiab tawv tawv ntawm cov hlau thaum tuav cov weldability zoo, nws yog feem ntau siv hauv kev tsim cov welded steels, tshwj xeeb tshaj yog cov khoom siv uas yuav tsum tau ua haujlwm hauv qhov chaw muaj kev ntxhov siab.
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