Jun 16, 2025 Xabar QOLDIRISH

Nikelda joylashgan "Nikel" ning sehrli dunyosini o'rganing (no6625)

 

 1. Inconty625 (Ne6625) qotishma

625 (no6625) qotishmaQattiq yechim {{1} {{} {{3} ni qattiq ta'sir ko'rsatadigan va yuqori haroratli metriumni kuchaytiradi va yuqori haroratli barqarorlikni kuchaytiradi va uning yuqori haroratli metriumni yuqori haroratli barqarorlikni kuchaytiradi va uni o'zgartirish oson emas . .

 

Bu juda yaxshi korroziyaga ega va turli xil korroziy medialarga, masalan, nitrat kislota, fosforis, oltingugurt kislotasi, gidrokoriya kislotasi,625 qotishmaBundan tashqari, xloridlarning ommaviy axborot vositalarida, shuningdek, tabiiy haroratda, anal gazli suvni qisqartirish, shuningdek, tabiiy haroratlarda, tabiiy echimlar bilan aloqa qilish mumkin. korroziya .

 

Shu bilan birga, charchoq va krep xususiyatlari625 qotishmaBundan tashqari, u takroriy kuchlar va uzoq muddatli stress sharoitida yaxshi ishlashi va charchoq yorilishiga moyil bo'lishi uchun, shuningdek, yaxshi ishlashi va boshqa muammolarga moyil emas.

 

Ushbu ajoyib xususiyatlar bilan,625 qotishmaAerosoksepa maydonida . muhim maydonlarda keng qo'llaniladi, bu ko'pincha turbinalar, samolyotlarning cho'qqi qismlari va boshqa yuqori haroratli qismlar; Neft sanoatida u neft qudug'i, klapanlar va quvurlar tizimlari kabi korroziyalarga chidamli va yuqori haroratli tikuv uskunalari ishlab chiqarishda foydalanish mumkin; Kimyo sanoatida, kimyoviy reaktorlar, distillash minoralar, katalizator tashuvchilar, va . kabi korroziyani talab qiladigan uskunalardan foydalanadi; Yadro sanoatida yadro reaktorlari va yadro yoqilg'isini qayta ishlash uskunalaridagi korroziyalarga chidamli qismlar va yadro yoqilg'isi uskunalari ham begonabalik qotishmadan foydalanishadi; Dengiz muhandisligi, o'stiriladigan o'simlik uskunalari, offshor ekish uskunalari va dengiz suvi korputionining qo'llab-quvvatlash uskunalari va dengiz suvi platformasi tahdidi bilan dengiz suvi korroziyasining tahdidi bilan uzoq muddatli va ishonchli korroziyadan himoya qilish mumkin625 qotishma.

 

 2. Kimyoviy tarkibi va mikrolanish xususiyatlari
(I) kimyoviy elementning tarkibi
Asosiy kimyoviy elementlar625 qotishmaNikel (Ni), xrom (CR), Molybdd (MO), Niobar (CO), uglerod (C Co), uglerod (C Co) va boshqa elementlar va boshqa elementlar . ni tanlang.
(Ii) mikroektotexnika xususiyatlari
O'ralgan uchun625 qotishmaUning og'irligi ko'p sonli mayda deformatsiyalar va ajratish egizaklari va dona fazasi mavjud bo'lgan oustik Ostenite morfologiyasini namoyish etadi. mkm.

2. Chemical composition and microstructure characteristics (I) Chemical element composition The main chemical elements of Inconel625 alloy include nickel (Ni), chromium (Cr), molybdenum (Mo), niobium (Nb), etc., and also contain a small amount of iron (Fe), cobalt (Co), titanium (Ti), carbon (C) and other elements. The following is the role of each element in the alloy (II) Microstructure characteristics For rolled Inconel625 alloy, it presents a typical austenite morphology, with a large number of fine deformation twins and segregation, and the presence of carbide second phase. Its grain size is (15±2.5)μm, with more high-angle grain boundaries and larger dislocation density, and preferential growth in the (111) direction. The Inconel625 alloy prepared by SLM (selective laser melting) has finer cellular crystals inside the molten pool, coarser cellular crystals outside the molten pool, and columnar crystals growing perpendicular to the molten pool boundary. The grain size inside the molten pool is in the range of 0.2-2μm. The SLM-formed alloy has the strongest grain texture characteristics on the XZ plane, the strongest (001) orientation, and its dislocation density is lower than that of the rolled alloy. The grain boundary orientation difference is mainly distributed in the range of 20° - 55°. These different microstructures have an important influence on the properties of the alloy. For example, at 900°C, the oxidation resistance of the rolled Inconel625 alloy is better than that of the SLM alloy. This is mainly attributed to the fact that the rolled alloy has more dislocations and twins. The higher dislocation density is conducive to improving the oxidation resistance of the Inconel625 alloy. Different grain morphology, size and grain boundary characteristics will also affect the strength, hardness, fatigue resistance and other mechanical properties of the alloy to a certain extent, making them suitable for different working conditions and processing requirements.2. Chemical composition and microstructure characteristics (I) Chemical element composition The main chemical elements of Inconel625 alloy include nickel (Ni), chromium (Cr), molybdenum (Mo), niobium (Nb), etc., and also contain a small amount of iron (Fe), cobalt (Co), titanium (Ti), carbon (C) and other elements. The following is the role of each element in the alloy (II) Microstructure characteristics For rolled Inconel625 alloy, it presents a typical austenite morphology, with a large number of fine deformation twins and segregation, and the presence of carbide second phase. Its grain size is (15±2.5)μm, with more high-angle grain boundaries and larger dislocation density, and preferential growth in the (111) direction. The Inconel625 alloy prepared by SLM (selective laser melting) has finer cellular crystals inside the molten pool, coarser cellular crystals outside the molten pool, and columnar crystals growing perpendicular to the molten pool boundary. The grain size inside the molten pool is in the range of 0.2-2μm. The SLM-formed alloy has the strongest grain texture characteristics on the XZ plane, the strongest (001) orientation, and its dislocation density is lower than that of the rolled alloy. The grain boundary orientation difference is mainly distributed in the range of 20° - 55°. These different microstructures have an important influence on the properties of the alloy. For example, at 900°C, the oxidation resistance of the rolled Inconel625 alloy is better than that of the SLM alloy. This is mainly attributed to the fact that the rolled alloy has more dislocations and twins. The higher dislocation density is conducive to improving the oxidation resistance of the Inconel625 alloy. Different grain morphology, size and grain boundary characteristics will also affect the strength, hardness, fatigue resistance and other mechanical properties of the alloy to a certain extent, making them suitable for different working conditions and processing requirements.

SLM tomonidan tayyorlangan 625 qotishuvi eritilgan hovuzning yonidagi donalari, yasen passolining hujayralari, yapermar kristallari 0.2-2} {{{}} oralig'ida eng yaxshi hujayrali kristallarga ega SlM shaklidagi qotishuv Xz samolyotida eng kuchli don to'qima xususiyatlariga ega, eng kuchli (001) - {}}} darajasi . . oralig'ida bo'lib o'tadi . oralig'ida.


Ushbu turli mikroektrostantsiyalar . qotilbulning xususiyatlariga muhim ta'sir ko'rsatadi, masalan, rollablangan kontridonsining klidlidlash qarori, yuqori disloklash zichligi yuqori dislokatsiya va egizaklar yaxshilanishiga bog'liqdir Acondrelyaning oksidlanishiga qarshi kurashish 625 Alloy . Qattiq xususiyatlarga, ularni ma'lum darajada ishlov berish va qayta ishlash talablariga javob beradigan kuch, qattiqlik, charchoqqa chidamliligi va boshqa mexanik xususiyatlarga ta'sir qiladi .

 

 3. Ajoyib ishlash
(I) korroziya qarshiligi
625 625 Alloy korroziya, gidrob kislota, oltingugurt kislotasi, ularning aralash kislotalari yuzidagi . . . bilan turli xil korroziyalarning xilma-xilligini osonlikcha eng past {{}} . . kislotali vositalarining katta qismini osongina engish mumkin.
Ushbu ajoyib korroziya qarshiligi sababli, 625 qotishma INSONATIDA INVOVE SANOATIDA KO'RSATILGAN ASBOB-USKUNALAR, ISHIRILMALAR, ISHLAR VA KLAVLAR, ISHLAR VA KLAVLARNING ISHLAB CHIQARISHI VA TO'LOVLARNI SAQLASh, masalan, texnik vositalar va texnik xizmat ko'rsatish va almashtirish chastotasini kamaytirish uchun ishlatiladi; Dengiz injiniring, dengiz suvi bilan tahdid qilingan neft uskunalari va og'rig'ini dengiz suvi asbob-uskunalari, dengiz suvi eroziyalariga qarshi tahdid solib, oqilona ish olib boradi va maoshi .
(Ii) yuqori haroratli ishlash
625-sonli qotillikning past haroratidan yuqori haroratga (masalan, 980 daraja) yaxshi ishlashi (masalan, 980 daraja) .
Shuning uchun 625 ta qotish ASOSPOPOCE dvigatellari, yonish kameralari, yonish kameralari, yonish kameralari, yam-yashil rangdagi dvigatellar, ko'krak qafasi va boshqalar kabi ishlashi, Aerosokse uskunalarining normal ishlashini ta'minlash uchun barcha haroratli dvigatellardagi asosiy dasturlarga ega emas.
(Iii) Antiokslashning ishlashi
625 Acordel Acortle A'lo antiokslash harakatiga ega, ular asosan turli elementlarning diazik ta'siriga ega bo'lib, ularda kissidik moddalar, kislorod kabi keskin xrom oksidi plyonkasini samarali qiladi Oksidlangan .}}}}}}}}}}}}}}}}}}}}}} Nikel shtati va Niobium oksidlash qobiliyatini saqlab qolishiga imkon beradi, masalan, qotishmaning oksidlanishga chidamliligiga va uning umumiy oksidlanishga chidamliligini oshiradi .
(Iv) mexanik xususiyatlar
625 qotishmadagi keskinlik kuchi nisbatan yaxshi . yuqori haroratli muhitda . dan yuqori haroratli kuch sarflashi mumkin, bu esa nisbatan yuqori haroratli kuchga ega bo'lishi mumkin, u odatdagidan yuqori darajada o'sishi mumkin, bu esa odatdagidan yuqori yoki unga teng 415 MPa, bu kuchning ma'lum darajaga yetgunga qadar barqaror shakl va ishlashni saqlab qolishini anglatadi va plastik deformatsiyadan foydalanmaydi .

 

 4. Turli mahsulotning texnik xususiyatlari va ta'minot holati
625 625 Alloy turli xil mahsulotlar va etkazib berish holati, oddiy plitalar, plitalar, plitkalar, payvandlash, payvandlash, payvandlash, payvandlash, payvandlash, payvandlash, payvandlash va boshqalar . . . . . ni qo'llab-quvvatlashi mumkin

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