欢迎登录材料期刊网

材料期刊网

高级检索

用透射电子显微镜(TEM)对高氮奥氏体中温回火的相变特征作进一步的观察,发现晶内首先发生连续相变形成亚稳定体系,该连续分解产物与晶界、位错等缺陷处的非连续分解产物各自形成独立的分解区域.随回火时间延长,进一步分解成稳定的α+γ′Fe4N,最终形成二相纳米尺度稳定组织,硬度超过900HV.

参考文献

[1] Bell T;Kinali M;Munsterman G .Physical metallurgy aspects of the austenitic nitrocarburising process[J].Heat Treatment of Metals,1987,14(02):47-51.
[2] 杨学斌.奥氏体氮碳共渗层中的Fe-N-C贝氏体[J].热加工工艺,1995(06):21.
[3] Foct J;Rochegude P;Hendry A .Low temperature aging of Fe-N austenite[J].Acta Materialia,1988,36(05):501-505.
[4] Gavriljuk V.G.;Shanina B.D. .ON THE CORRELATION BETWEEN ELECTRON STRUCTURE AND SHORT RANGE ATOMIC ORDER IN IRON-BASED ALLOYS[J].Acta materialia,2000(15):3879-3893.
[5] Pekelharing M I et al.Application of the cluster variation method to ordering in and interstitial solid solution the γ′-Fe[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1999,30:1945.
[6] Kwan H Han;Young K Song .Structure of freshly formed and low-temperature aged Fe-N austenite[J].Materials Science and Engineering,1999,A260(1-2):246-251.
[7] 高氮奥氏体的等温分解[J].热加工工艺,2000(02):3-5.
[8] 潘健生,胡明娟,朱祖昌,韩福梅,邱春城.高氮奥氏体特殊中温转变现象的初步观察[J].金属热处理,2000(02):19-22.
[9] Hu M J;PanJS;ZhuZC.Morphology of special phase transformation products in high nitrogen austenite[M].Melbourne,Australia,2000:105-110.
[10] 潘健生,邱春城,胡明娟,戎咏华,朱祖昌.Fe-N奥氏体中析出纳米级γ'现象的初步研究[J].材料热处理学报,2001(02):1-4.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%