Features of microstructure formation during continuous aging in granulable nickel-based alloys

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Дәйексөз келтіру

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Аннотация

The influence of continuous aging on the microstructure of the granulated heat-resistant nickel-based alloy EP741NP is considered. The use of continuous aging made it possible to increase the density of γ´-phase particles, reducing their size and the degree of coagulation inside the grains, and to strengthen the boundaries with carbide and boride compounds.

Толық мәтін

Рұқсат жабық

Авторлар туралы

D. Eliseev

«GIREDMET»

Хат алмасуға жауапты Автор.
Email: Tugor123@yandex.ru
Ресей, Moskow

Әдебиет тізімі

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Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. Schematic representation of heat treatment cycles: a – first temperature cycle 293 → 1483 → 293 → 1183 → → 973 → 1073 → 293; b – second temperature cycle 293 → 1483 → 293 → 1143 → → 923 → 1023 → 293; c – third temperature cycle 293 → 1483 → 293 → 1183 → → 293 → 1023 → 293 → 973 → 293; – ⋅ – solvus line Ts (temperature of complete dissolution). Temperature is given in Kelvin

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Метадеректер
3. Fig. 2. General view and microstructure of samples made of EP741NP alloy at ×2000 magnification that underwent heat treatment in different modes: a, b – first temperature cycle; c, d – second temperature cycle; e, f – third temperature cycle

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4. Fig. 3. Microstructure of EP741NP alloy samples at ×4000 magnification after heat treatment in different modes: a, c – first temperature cycle; b, d – second temperature cycle; e, f – third temperature cycle

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5. Fig. 4. Microstructure of EP741NP alloy samples at ×8000 magnification after heat treatment in different modes: a, b – first temperature cycle; c, d – second temperature cycle; e, f – third temperature cycle

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6. Fig. 5. Topology of the formed phases in the microstructure of samples made of EP741NP alloy at ×8000 magnification that underwent heat treatment in different modes: a – first temperature cycle; b – second temperature cycle; c – third temperature cycle

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