-1范圍內(nèi)的熱塑性行為。推導(dǎo)了該溫度和應(yīng)變速率下的本構(gòu)方程，得到了該溫度范圍內(nèi)的熱加工圖。用電子背散射衍射研究了合金壓縮后的動(dòng)態(tài)再結(jié)晶。確定了失穩(wěn)區(qū)的位置，并表明在熱變形條件下，確實(shí)發(fā)生了動(dòng)態(tài)再結(jié)晶，獲得了細(xì)小的晶粒。Inconel 617熱處理的最佳溫度范圍為1075~1175 ℃，該溫度范圍處于材料的安全區(qū)。"/>

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Inconel 617合金高溫?zé)嶙冃涡袨榕c組織演變
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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)加工與循環(huán)利用國家重點(diǎn)實(shí)驗(yàn)室，甘肅 蘭州 730050

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基金項(xiàng)目:

National Nature Science Foundation of China (Grant No. 51665032), Science Foundation for Distinguished Young Scholars of Gansu Province (Grant No. 18JR3RA134), and Lanzhou University of Technology Support plan for Excellent Young Scholars (Grant No. CGZH001).


High-Temperature Thermal Deformation Behavior and Microstructural Evolution of Inconel 617 Alloy
Author:
Affiliation:

1.School of Materials 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

Fund Project:

National Nature Science Foundation of China (51665032); Science Foundation for Distinguished Young Scholars of Gansu Province (18JR3RA134); Lanzhou University of Technology Support Plan for Excellent Young Scholars (CGZH001)

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    摘要:

    為解決Inconel 617合金的高溫加工問題，對鍛造Inconel 617合金的高溫?zé)嶙冃涡袨檫M(jìn)行了研究。利用Gleeble-3500熱模擬試驗(yàn)機(jī)研究了Inconel 617合金在900~1200 ℃、應(yīng)變速率為0.001~10 s-1范圍內(nèi)的熱塑性行為。推導(dǎo)了該溫度和應(yīng)變速率下的本構(gòu)方程，得到了該溫度范圍內(nèi)的熱加工圖。用電子背散射衍射研究了合金壓縮后的動(dòng)態(tài)再結(jié)晶。確定了失穩(wěn)區(qū)的位置，并表明在熱變形條件下，確實(shí)發(fā)生了動(dòng)態(tài)再結(jié)晶，獲得了細(xì)小的晶粒。Inconel 617熱處理的最佳溫度范圍為1075~1175 ℃，該溫度范圍處于材料的安全區(qū)。

    Abstract:

    To solve the problems of processing Inconel 617 alloy at high temperatures, the hot deformation behavior of forged Inconel 617 at high temperature was studied. A Gleeble-3500 instrument was used to analyze the thermoplastic behavior in the temperature range of 900~1200 °C and strain rate range of 0.001~10 s-1. The constitutive equation in this temperature and strain rate range was deduced, and the thermal processing map was obtained. The dynamic recrystallization after compression was studied by electron backscatter diffraction. The location of the instability zone was determined. Results show that under the conditions of thermal deformation, dynamic recrystallization occurs, and fine grains are obtained. The optimal temperature range for Inconel 617 thermal processing is identified as 1075~1175 °C, and this temperature range is in the stable zone for the material.

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引用本文

賈智,俞麗丹,魏保林,孫璇,汪彥江,劉德學(xué),丁雨田.Inconel 617合金高溫?zé)嶙冃涡袨榕c組織演變[J].稀有金屬材料與工程,2022,51(2):461~468.[Jia Zhi, Yu Lidan, Wei Baolin, Sun Xuan, Wang Yanjiang, Liu Dexue, Ding Yutian. High-Temperature Thermal Deformation Behavior and Microstructural Evolution of Inconel 617 Alloy[J]. Rare Metal Materials and Engineering,2022,51(2):461~468.]
DOI：10.12442/j. issn.1002-185X.20200973

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歷史
  • 收稿日期:2020-12-16
  • 最后修改日期:2022-02-11
  • 錄用日期:2021-02-04
  • 在線發(fā)布日期: 2022-03-03
  • 出版日期: 2022-02-28