Superplastic heat treatment method for high-alloying nickel-based powder high-temperature alloy disc
The invention discloses a superplastic heat treatment method for a high-alloying nickel-based powder high-temperature alloy disc. The superplastic heat treatment method comprises the following steps: firstly, obtaining a high-alloying nickel-based powder high-temperature alloy disc blank through a h...
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Format | Patent |
Language | Chinese English |
Published |
04.03.2022
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Abstract | The invention discloses a superplastic heat treatment method for a high-alloying nickel-based powder high-temperature alloy disc. The superplastic heat treatment method comprises the following steps: firstly, obtaining a high-alloying nickel-based powder high-temperature alloy disc blank through a hot isostatic pressing technology; then rough machining and rounding are conducted; then, two times of solution treatment are carried out, on one hand, the size of a primary gamma phase playing a strengthening role on a grain boundary is increased, on the other hand, the supersaturation degree of an intragranular secondary gamma phase after solution treatment is reduced through secondary solution treatment, the nucleation density of the intragranular secondary gamma phase is reduced, the elastic strain energy is increased, and therefore the secondary gamma phase is controlled to grow into a rounded square; and finally, through two times of aging treatment, the type and number of carbides are controlled, gamma phases |
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AbstractList | The invention discloses a superplastic heat treatment method for a high-alloying nickel-based powder high-temperature alloy disc. The superplastic heat treatment method comprises the following steps: firstly, obtaining a high-alloying nickel-based powder high-temperature alloy disc blank through a hot isostatic pressing technology; then rough machining and rounding are conducted; then, two times of solution treatment are carried out, on one hand, the size of a primary gamma phase playing a strengthening role on a grain boundary is increased, on the other hand, the supersaturation degree of an intragranular secondary gamma phase after solution treatment is reduced through secondary solution treatment, the nucleation density of the intragranular secondary gamma phase is reduced, the elastic strain energy is increased, and therefore the secondary gamma phase is controlled to grow into a rounded square; and finally, through two times of aging treatment, the type and number of carbides are controlled, gamma phases |
Author | LUO CHENG LAI YUNJIN ZHANG ANQIN QU ZONGHONG WANG ZEYU LIANG SHUJIN LIU HAILANG WANG QINGXIANG SONG JIAMING |
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DocumentTitleAlternate | 一种高合金化镍基粉末高温合金盘件的超塑性热处理方法 |
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Snippet | The invention discloses a superplastic heat treatment method for a high-alloying nickel-based powder high-temperature alloy disc. The superplastic heat... |
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Title | Superplastic heat treatment method for high-alloying nickel-based powder high-temperature alloy disc |
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