定向凝固高温合金DZ125L的变形和再结晶

材料研究学报

2012, Vol. 26

Issue (6): 632-636

研究论文

本期目录 | 过刊浏览

定向凝固高温合金DZ125L的变形和再结晶

申健^1,3, 濮晟^2,3, 任建军⁴, 薛新强⁴, 毕克文⁴, 卢玉章³, 王莉³, 谢光³

1.沈阳工业大学材料科学与工程学院沈阳 110178
2.北京科技大学新金属材料国家重点实验室北京 100000
3.中国科学院金属研究所高温合金研究部沈阳 110016
4.沈阳中科三耐新材料股份有限公司沈阳 110000

Investigation of Deformation and Recrystallization in a Directionally Solidified Superalloy

SHEN Jian^1,3, PU Sheng^2,3, REN Jianjun⁴, XUE Xinqiang⁴, BI Kewen⁴, LU Yuzhang³, WANG Li³, XIE Guang³

1.School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110178
2.State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083
3.Superalloys Division, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016
4.Shenyang Zhongke Sannai New Materials Co., Ltd., Shenyang 110000

引用本文:

申健濮晟任建军薛新强毕克文卢玉章王莉谢光. 定向凝固高温合金DZ125L的变形和再结晶[J]. 材料研究学报, 2012, 26(6): 632-636.
SHEN Jian PU Sheng REN Jianjun XUE Xinqiang BI Kewen LU Yuzhang WANG Li XIE Guang. Investigation of Deformation and Recrystallization in a Directionally Solidified Superalloy[J]. Chinese Journal of Materials Research, 2012, 26(6): 632-636.

全文: PDF(821 KB)

摘要:

通过电子背散射衍射(EBSD)等手段研究了定向凝固高温合金DZ125L压痕变形后的应变分布和热处理后的再结晶。结果表明：压痕截面的应变分布非常不均匀。压痕变形区域随着载荷的增加而增大, 导致再结晶区域的增大。根据实验确定的某一温度下再结晶的临界变形量, 结合压痕截面应变分布情况, 可预测不同载荷对应的再结晶深度。

关键词 ：金属材料, 定向凝固高温合金, 再结晶, 电子背散射衍射, 压痕

Abstract：

Distribution of strain and subsequent recrystallization (RX) around indentation in a directionally solidified superalloy DZ125L have been investigated by electron back scatter diffraction (EBSD) and other experimental method. The results show that distribution of strain was extremely homogenous. Deformed area increased with increasing of the load, which resulted in the larger region of RX. According to the distribution of strain on the section of indentation and the critical strain of RX at a certain temperature tested by experiment, RX depth with different load at this temperature can be forecasted.

Key words： metallic materials directionally solidified superalloy recrystallization EBSD indentation

收稿日期: 2012-09-07

ZTFLH:

TG142

基金资助:

国家自然科学基金50901079资助项目。

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https://www.cjmr.org/CN/ 或 https://www.cjmr.org/CN/Y2012/V26/I6/632

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