6C、M23C6的簡(jiǎn)單和復(fù)雜碳化物，導(dǎo)致了位錯(cuò)的塞積。深冷處理24 h后試樣的幾何必須位錯(cuò)（GND）密度增大，當(dāng)24 h循環(huán)處理2次后，GND密度顯著降低。此外，深冷處理導(dǎo)致Inconel 617合金的旋轉(zhuǎn)立方織構(gòu)和旋轉(zhuǎn)銅織構(gòu)轉(zhuǎn)變?yōu)辄S銅織構(gòu)、P織構(gòu)、高斯織構(gòu)。"/>

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深冷處理過程中Inconel 617合金的微觀組織演變
作者:
作者單位:

1.蘭州理工大學(xué) 材料科學(xué)與工程學(xué)院，甘肅 蘭州 730050;2.蘭州理工大學(xué) 有色金屬先進(jìn)加工與再利用國(guó)家重點(diǎn)實(shí)驗(yàn)室，甘肅 蘭州 730050;3.蘭州工業(yè)學(xué)院 材料工程學(xué)院，甘肅 蘭州 730050

作者簡(jiǎn)介:

通訊作者:

中圖分類號(hào):

TG132.3

基金項(xiàng)目:

國(guó)家自然科學(xué)基金[No. 52265049]；甘肅省高等學(xué)校產(chǎn)業(yè)支撐計(jì)劃項(xiàng)目[No. 2022CYZC-26]；蘭州理工大學(xué)紅柳優(yōu)秀青年支持計(jì)劃[No. CGZH001]


Microstructure Evolution of Inconel 617 Alloy During Subzero Treatment
Author:
Affiliation:

1.School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China;2.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China;3.School of Materials Engineering, Lanzhou Institute of Technology, Lanzhou 730050, China

Fund Project:

National Natural Science Foundation of China (52265049); Industrial Support Program for Colleges and Universities in Gansu Province (2022CYZC-26); Lanzhou University of Technology Support Plan for Excellent Young Scholars (CGZH001)

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    摘要:

    研究了Inconel 617合金在不同深冷處理時(shí)間和次數(shù)條件下微觀組織的演變規(guī)律。結(jié)果表明，深冷處理對(duì)Inconel 617合金的微觀組織結(jié)構(gòu)有很大的影響，隨著深冷處理時(shí)間的延長(zhǎng)，晶粒尺寸減小，但是隨著深冷處理次數(shù)的增加，晶粒尺寸又增大，并且細(xì)化晶粒的晶界處具有高的應(yīng)力。晶格常數(shù)與晶粒尺寸的變化相反。深冷處理試樣析出了MC、M6C、M23C6的簡(jiǎn)單和復(fù)雜碳化物，導(dǎo)致了位錯(cuò)的塞積。深冷處理24 h后試樣的幾何必須位錯(cuò)（GND）密度增大，當(dāng)24 h循環(huán)處理2次后，GND密度顯著降低。此外，深冷處理導(dǎo)致Inconel 617合金的旋轉(zhuǎn)立方織構(gòu)和旋轉(zhuǎn)銅織構(gòu)轉(zhuǎn)變?yōu)辄S銅織構(gòu)、P織構(gòu)、高斯織構(gòu)。

    Abstract:

    The relationship of microstructure evolution with subzero treatment time and number of Inconel 617 alloy was studied. The results indicate that subzero treatment has an obvious influence on the microstructure of Inconel 617 alloy. With the increase in subzero treatment time, the grain size decreases. With the increase in subzero treatment number, the grain size increases gradually, and the high stress is retained at the boundaries of the refined grains. The lattice constant varies inversely with the grain size. The simple and complex carbides of MC, M6C and M23C6 are precipitated from the samples after subzero treatment, which leads to the accumulation of dislocations. The geometrically necessary dislocation density of the samples increases after subzero treatment for 24 h, and decreases significantly with two times of subzero treatment for 24 h. In addition, after subzero treatment, the rotated cube texture and rotated copper texture transform to brass texture, P texture and goss texture.

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姬金金,汪彥江,俞麗丹,賈智,寇生中.深冷處理過程中Inconel 617合金的微觀組織演變[J].稀有金屬材料與工程,2023,52(4):1244~1250.[Ji Jinjin, Wang Yanjiang, Yu Lidan, Jia Zhi, Kou Shengzhong. Microstructure Evolution of Inconel 617 Alloy During Subzero Treatment[J]. Rare Metal Materials and Engineering,2023,52(4):1244~1250.]
DOI：10.12442/j. issn.1002-185X. E20220036

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  • 收稿日期:2022-11-14
  • 最后修改日期:2022-11-23
  • 錄用日期:2022-11-25
  • 在線發(fā)布日期: 2023-04-28
  • 出版日期: 2023-04-25